{"id":961,"date":"2026-08-01T20:40:55","date_gmt":"2026-08-01T12:40:55","guid":{"rendered":"https:\/\/www.esair-equip.com\/961.html"},"modified":"2026-08-01T20:45:53","modified_gmt":"2026-08-01T12:45:53","slug":"activated-carbon-fiber-adsorption-and-desorption-tower","status":"publish","type":"post","link":"https:\/\/www.esair-equip.com\/pt\/961.html","title":{"rendered":"Activated Carbon Fiber Adsorption and Desorption Tower"},"content":{"rendered":"<div class=\"wp-block-cover has-custom-content-position is-position-bottom-center\" style=\"min-height:403px;aspect-ratio:unset;\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"358\" class=\"wp-block-cover__image-background wp-image-727 size-large\" alt=\"\" src=\"https:\/\/www.esair-equip.com\/wp-content\/uploads\/2026\/05\/pro-1024x358.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/www.esair-equip.com\/wp-content\/uploads\/2026\/05\/pro-1024x358.jpg 1024w, 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height=\"150\" alt=\"Activated Carbon Fiber Adsorption and Desorption Tower\" \/><\/a><\/div><div class=\"swiper-slide\"><a class=\"swipebox\" href=\"https:\/\/www.esair-equip.com\/wp-content\/uploads\/2026\/08\/1759993655979923.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"swiper-lazy swiper-move-lazy\" src=\"https:\/\/www.esair-equip.com\/wp-content\/themes\/smartenterprise\/images\/loading8.png\" data-src=\"https:\/\/www.esair-equip.com\/wp-content\/uploads\/2026\/08\/1759993655979923-150x150.jpg\" width=\"150\" height=\"150\" alt=\"Activated Carbon Fiber Adsorption and Desorption Tower\" \/><\/a><\/div><\/div><\/div><a class=\"swiper-next\"><i class=\"fas fa-angle-right\"><\/i><\/a><a class=\"swiper-prev\"><i class=\"fas fa-angle-left\"><\/i><\/a><\/div><\/div><div class=\"ds\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p MovePnly sticky\" style=\"font-size:16px;line-height:36px;color:#808080;background-color:#ffffff; border:1px #d7d7d7 solid;padding:30px 30px;border-radius:15px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h1 class=\"wp-block-heading has-black-color has-text-color has-link-color has-large-font-size wp-elements-99555ae3e05f4a5d9cb6e2edfc3ca2f8\">Activated Carbon Fiber Adsorption and Desorption Tower<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-c5cc62a0dabaa5abb57a7d937ee66cab wp-block-paragraph\" style=\"font-size:18px\"><strong>Product Classification<\/strong><\/p>\n\n\n\n<a href=\"https:\/\/www.esair-equip.com\/pt\/category\/product\/vocs-exhaust-gas-purification-equipment\">Equipamento de purifica\u00e7\u00e3o de gases de escape de COV<\/a> \n\n\n\n<div class=\"wp-block-themepark-block-themepark-xian theme_fang_out\" style=\"text-align:left;padding-top:15px;padding-bottom:15px;\"><div class=\"fangbox\" style=\"width:100%;height:1px;background-color:#e6e6e6;\"><\/div><\/div>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color has-medium-font-size wp-elements-7b3681ca418359f06d4d62aa6a3c41ca wp-block-paragraph\"><strong>Scope of Application<\/strong><\/p>\n\n\n\n<p class=\"has-monte-grey-color has-text-color has-link-color wp-elements-434dba10dab9870bd3f4392b641f9397 wp-block-paragraph\"><\/p>\n\n\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"638\" data-end=\"843\">The EHXT activated carbon fiber adsorption and desorption tower is specially designed for applications involving low-concentration, high-air-volume exhaust gas or high-concentration intermittent emissions.<\/p>\n<p data-start=\"845\" data-end=\"1119\">The system uses activated carbon fiber (ACF) as the adsorption material and adopts an advanced, efficient, safe and reliable treatment process. An integrated automatic control system enables efficient adsorption and recovery of organic compounds from industrial exhaust gas.<\/p>\n<p data-start=\"1121\" data-end=\"1308\">Activated carbon fiber mainly removes pollutants through physical adsorption. Due to the active functional groups on its surface, it also provides a certain degree of chemical adsorption.<\/p>\n<p data-start=\"1310\" data-end=\"1630\" data-is-last-node=\"\" data-is-only-node=\"\">During operation, the exhaust gas first passes through a pre-filter to remove fine suspended particles. It then enters the adsorption tower, where harmful organic components are captured by the activated carbon fiber. The purified gas, after meeting applicable emission standards, is discharged outdoors through the fan.<\/p>\n\n\n\n\n<p class=\"has-monte-grey-color has-text-color has-link-color wp-elements-434dba10dab9870bd3f4392b641f9397 wp-block-paragraph\"><\/p>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-listbox thempark-block themepark_listbox\" style=\"padding-top:15px;text-align:left;\"><ul class=\"themepark_listbox_list\" style=\"padding-left:0%;padding-right:2%;\"><li style=\"color:#000000;font-size:18px;line-height:28px;margin-bottom:9px;padding-left:33px;\"><i class=\"fas fa-envelope\" style=\"color:#009aab;line-height:28px\"><\/i><span>esairsuzhou@vip.163.com<\/span><\/li><li style=\"color:#000000;font-size:18px;line-height:28px;margin-bottom:9px;padding-left:33px;\"><i class=\"fas fa-phone\" style=\"color:#009aab;line-height:28px\"><\/i><span>0512-57398857<\/span><\/li><li style=\"color:#000000;font-size:18px;line-height:28px;margin-bottom:9px;padding-left:33px;\"><i class=\"fas fa-phone\" style=\"color:#009aab;line-height:28px\"><\/i><span>13776305335  Sr. Liu<\/span><\/li><li style=\"color:#000000;font-size:18px;line-height:28px;margin-bottom:9px;padding-left:33px;\"><i class=\"fas fa-phone\" style=\"color:#009aab;line-height:28px\"><\/i><span>17312699967 Miss luo<\/span><\/li><\/ul><div class=\"themepark_listbox_ba\" style=\"opacity:1;\"><\/div><\/section>\n\n\n\n<div class=\"wp-block-themepark-block-btn themepark-i-btn-out maodian\" style=\"text-align:undefined;padding-bottom:14px;\"><div class=\"themepark-i-btn-out_ins\" style=\"\"><div class=\"themepark-i-btn-out_in\"><div class=\"themepark-i-btn  active\" style=\"background-color:#009aab;color:#ffffff;font-size:16px;border:solid 1px #009aab;border-radius:20px;padding:5px 23px;\"><i class=\"ri-chat-2-fill\"><\/i><a href=\"#Inquiry\" rel=\"noopener noreferrer \">Inquiry<\/a><a class=\"hovers ri-chat-2-fill\" data-title=\"Inquiry\" style=\"color:#009aab;background-color:#ffffff;padding:5px 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style=\"color:#666666;font-size:18px;\"><span>Share on social media<\/span><\/h3><ul class=\"themepark_listbox_list\" style=\"\"><li style=\"background-color:#e21f2f;color:#fff;font-size:16px;line-height:26px;margin-bottom:8px;\"><a href=\"https:\/\/www.facebook.com\/sharer\/sharer.php?u=https:\/\/www.esair-equip.com\/pt\/961.html\"><i class=\"fab fa-facebook\" style=\"color:#fff;line-height:26px\"><\/i><\/a><a href=\"https:\/\/www.facebook.com\/sharer\/sharer.php?u=https:\/\/www.esair-equip.com\/pt\/961.html\" style=\"background-color:#e21f2f;color:#fff;font-size:16px;line-height:26px;margin-bottom:8px;\"><span>facebook<\/span><\/a><\/li><li style=\"background-color:#e21f2f;color:#fff;font-size:16px;line-height:26px;margin-bottom:8px;\"><a href=\"https:\/\/twitter.com\/intent\/tweet?url=https:\/\/www.esair-equip.com\/pt\/961.htmlu0026text=\"><i class=\"fab fa-twitter\" style=\"color:#fff;line-height:26px\"><\/i><\/a><a 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class=\"themepark_listbox_ba\" style=\"opacity:1;\"><\/div><\/section>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-xian theme_fang_out\" style=\"text-align:left;padding-top:15px;padding-bottom:15px;\"><div class=\"fangbox\" style=\"width:100%;height:1px;background-color:#e6e6e6;\"><\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:16px;line-height:34px;padding:10px 10px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><h2>Activated Carbon Fiber Adsorption and Desorption Tower (EHXT Series)<\/h2>\n<p>The EHXT series activated carbon fiber adsorption and desorption tower is designed for the purification and recovery of volatile organic compounds from low-concentration, high-air-volume exhaust gas or high-concentration intermittent emissions.<\/p>\n<p>The system uses activated carbon fiber, commonly abbreviated as ACF, as the adsorption material. Through an efficient, safe and reliable adsorption, desorption and recovery process, combined with integrated electromechanical control, the equipment can effectively capture and recover organic compounds from industrial exhaust gas.<\/p>\n<p>Activated carbon fiber adsorption is mainly based on physical adsorption. Because functional groups are present on the ACF surface, a certain degree of chemical adsorption may also occur. Before entering the adsorption tower, the exhaust gas passes through a pretreatment system to remove fine suspended particles, corrosive substances and liquid droplets.<\/p>\n<p>The pretreated exhaust gas then passes through the activated carbon fiber bed. Organic pollutants are adsorbed by the ACF material, while the purified gas that meets the applicable emission requirements is discharged outdoors through the fan.<\/p>\n<p><!-- Illustration 1: Working Principle or Process Flow Diagram --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-965 size-full\" src=\"https:\/\/www.esair-equip.com\/wp-content\/uploads\/2026\/08\/1f517648-6328-4c02-af3e-561d7da0a748.png\" alt=\"Working principle of activated carbon fiber adsorption and desorption system\" width=\"1422\" height=\"1106\" srcset=\"https:\/\/www.esair-equip.com\/wp-content\/uploads\/2026\/08\/1f517648-6328-4c02-af3e-561d7da0a748.png 1422w, https:\/\/www.esair-equip.com\/wp-content\/uploads\/2026\/08\/1f517648-6328-4c02-af3e-561d7da0a748-300x233.png 300w, https:\/\/www.esair-equip.com\/wp-content\/uploads\/2026\/08\/1f517648-6328-4c02-af3e-561d7da0a748-1024x796.png 1024w, https:\/\/www.esair-equip.com\/wp-content\/uploads\/2026\/08\/1f517648-6328-4c02-af3e-561d7da0a748-768x597.png 768w\" sizes=\"auto, (max-width: 1422px) 100vw, 1422px\" \/><\/p>\n<h3>Adsorption Principle<\/h3>\n<p>Adsorption is a process in which molecules from a lower-density substance accumulate on the surface of a higher-density material when two different phases come into contact.<\/p>\n<p>The material that captures and retains the molecules is called the adsorbent. It is usually a porous solid with a relatively high density. The substance being captured is called the adsorbate and is generally a gas or liquid with a relatively lower density.<\/p>\n<p>Adsorption processes can include chemical adsorption, activated adsorption, capillary condensation and physical adsorption. Activated carbon fiber mainly works through a combination of capillary condensation and physical adsorption.<\/p>\n<p>The micropores in activated carbon fiber can be regarded as extremely small capillaries. When gaseous or liquid organic molecules come into contact with the ACF surface, capillary forces cause the molecules to condense inside the micropores.<\/p>\n<p>Physical adsorption is generated by intermolecular forces, also known as van der Waals forces, between the adsorbent and the adsorbate. No chemical reaction occurs during this process. Physical adsorption is rapid, reaches equilibrium quickly and is generally reversible.<\/p>\n<p>Because the micropores of activated carbon fiber open directly onto the fiber surface, organic molecules can enter the pores through a very short diffusion path. Intermolecular attraction continuously draws additional molecules into the micropores until the available adsorption space is filled.<\/p>\n<p>Effective adsorption depends on the relationship between the pore diameter and the molecular size of the organic compound. The pore structure must be slightly larger than the target molecule so that the molecule can fully enter and be retained. A pore that is too large or too small may reduce adsorption performance.<\/p>\n<p>Different raw materials and activation conditions can therefore be used to produce activated carbon fiber with different pore structures for the selective adsorption of different organic compounds.<\/p>\n<h3>System Structure<\/h3>\n<p>The activated carbon fiber adsorption and recovery system uses a high-quality stainless steel housing. Each adsorption chamber contains a specified number of annular fixed beds wrapped with activated carbon fiber felt.<\/p>\n<p>Depending on the required treatment capacity and adsorption efficiency, the system can be configured as a single-stage, two-stage or multi-stage adsorption process. Multiple adsorption chambers can be connected in parallel or in series through pipelines and automatic valves.<\/p>\n<p>The chambers operate in alternating cycles so that adsorption, desorption, regeneration, drying and cooling can proceed continuously.<\/p>\n<h3>Process Stages<\/h3>\n<table border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"10\">\n<tbody>\n<tr>\n<td><strong>Process Stage<\/strong><\/td>\n<td><strong>Description<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>1. Pretreatment and Adsorption<\/strong><\/td>\n<td>Acidic or alkaline corrosive substances, solid particles, liquid droplets and other entrained contaminants are removed during pretreatment. After the exhaust gas temperature is reduced, the fan delivers the gas into the adsorption unit. Organic compounds are captured while passing through the activated carbon fiber bed, and the purified gas is discharged from the top of the tower.<\/td>\n<\/tr>\n<tr>\n<td><strong>2. Desorption and Regeneration<\/strong><\/td>\n<td>Steam is introduced from the top of the adsorption unit to heat the activated carbon fiber bed and desorb the captured organic compounds. After desorption, the ACF bed has a relatively high temperature and moisture content. Purge air is introduced to rapidly cool and dry the bed before the next adsorption cycle begins.<\/td>\n<\/tr>\n<tr>\n<td><strong>3. Condensation and Recovery<\/strong><\/td>\n<td>The mixed vapor generated during desorption enters a condenser and is converted into a liquid mixture. Recoverable organic compounds can then be separated by gravity separation, distillation, rectification or other suitable recovery processes.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Activated Carbon Fiber Characteristics<\/h3>\n<ul>\n<li>Highly developed pore structure with a large specific surface area<\/li>\n<li>Predominantly microporous structure with only a small proportion of transitional pores<\/li>\n<li>High ratio of effective adsorption pores<\/li>\n<li>Fine fiber diameter and pores that open directly onto the fiber surface<\/li>\n<li>Short adsorption and diffusion paths<\/li>\n<li>Large and uniformly distributed contact area<\/li>\n<li>Uniform pore diameter and narrow pore-size distribution<\/li>\n<li>Good adsorption selectivity for different organic compounds<\/li>\n<li>Flexible material forms, including yarn, cloth, felt and paper<\/li>\n<\/ul>\n<p>These characteristics give activated carbon fiber a high adsorption capacity, rapid adsorption and desorption rates and the ability to selectively capture and recover different volatile organic compounds.<\/p>\n<h3>Key Advantages<\/h3>\n<table border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"10\">\n<tbody>\n<tr>\n<td><strong>Advantage<\/strong><\/td>\n<td><strong>Description<\/strong><\/td>\n<\/tr>\n<tr>\n<td>High Adsorption Capacity<\/td>\n<td>The developed microporous structure provides a large effective adsorption area for organic compounds.<\/td>\n<\/tr>\n<tr>\n<td>Rapid Adsorption and Desorption<\/td>\n<td>The short diffusion path allows organic molecules to enter and leave the activated carbon fiber rapidly.<\/td>\n<\/tr>\n<tr>\n<td>Organic Solvent Recovery<\/td>\n<td>Captured organic compounds can be desorbed, condensed and recovered for reuse.<\/td>\n<\/tr>\n<tr>\n<td>Flexible Process Configuration<\/td>\n<td>Single-stage, two-stage, multi-stage, parallel and series configurations are available.<\/td>\n<\/tr>\n<tr>\n<td>Automatic Operation<\/td>\n<td>PLC control coordinates adsorption, desorption, regeneration, drying and cooling cycles.<\/td>\n<\/tr>\n<tr>\n<td>Compact Structure<\/td>\n<td>The annular fixed-bed design increases the ventilation area, reduces resistance and minimizes installation space.<\/td>\n<\/tr>\n<tr>\n<td>Reduced Operating Costs<\/td>\n<td>Regenerable ACF material and solvent recovery help reduce material consumption and waste treatment costs.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Innovative System Design<\/h3>\n<ul>\n<li>The system uses cylinder-operated damper valves suitable for handling large exhaust gas volumes. Their cost is significantly lower than pneumatic butterfly valves of comparable size.<\/li>\n<li>A three-way bypass valve is installed before the adsorption system. If the equipment requires maintenance or experiences a fault, workshop production can continue without interruption.<\/li>\n<li>For systems requiring fan pressurization, the main fan is positioned before the three-way bypass valve. The fan can continue operating during maintenance or equipment shutdown, maintaining active workshop exhaust and improving the production environment.<\/li>\n<li>The annular fixed-bed structure is wrapped with activated carbon fiber felt. This design increases the effective ventilation area, reduces pressure resistance and improves exhaust gas treatment capacity.<\/li>\n<li>The equipment offers flexible selection and process configurations. For organic compounds that are difficult to adsorb, a recirculation system can repeatedly pass the exhaust gas through the adsorption bed to improve removal efficiency.<\/li>\n<li>The PLC control system follows a programmed sequence for adsorption, desorption, regeneration, drying and cooling. Even under frequent switching conditions, all system components operate in a coordinated and fully automatic manner.<\/li>\n<\/ul>\n<h3>Applicable Industries<\/h3>\n<p>The EHXT activated carbon fiber adsorption and recovery system is suitable for exhaust gas treatment and organic solvent recovery in the following industries:<\/p>\n<ul>\n<li>Petrochemical processing<\/li>\n<li>Pharmaceutical and chemical manufacturing<\/li>\n<li>Pesticide production<\/li>\n<li>Industrial coating and lamination<\/li>\n<li>Painting and surface coating<\/li>\n<li>Packaging and printing<\/li>\n<li>Leather manufacturing<\/li>\n<li>Microfiber and synthetic leather production<\/li>\n<li>Ultra-high-molecular-weight polyethylene fiber production<\/li>\n<li>Tank loading and oil storage facilities<\/li>\n<\/ul>\n<p>The system captures organic compounds from industrial exhaust gas for recovery and reuse, helping reduce solvent consumption, atmospheric emissions and environmental pollution.<\/p>\n<h3>Recoverable Organic Compounds<\/h3>\n<table border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"10\">\n<tbody>\n<tr>\n<td><strong>Category<\/strong><\/td>\n<td><strong>Typical Recoverable Compounds<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Alcohols<\/td>\n<td>Ethanol, isopropanol and butanol<\/td>\n<\/tr>\n<tr>\n<td>Aromatic Hydrocarbons<\/td>\n<td>Benzene, toluene, xylene, chlorobenzene, styrene and heavy aromatic hydrocarbons<\/td>\n<\/tr>\n<tr>\n<td>Ketones<\/td>\n<td>Acetone, methyl ethyl ketone, methyl isobutyl ketone and cyclohexanone<\/td>\n<\/tr>\n<tr>\n<td>Esters<\/td>\n<td>Ethyl acetate, butyl acetate, acrylates and vinyl acetate<\/td>\n<\/tr>\n<tr>\n<td>Chlorinated Solvents<\/td>\n<td>1,1,1-Trichloroethane, dichloromethane, chloroform, carbon tetrachloride, trichloroethylene and perchloroethylene<\/td>\n<\/tr>\n<tr>\n<td>Hydrocarbon Solvents<\/td>\n<td>Petroleum ether, naphtha, hydrocarbon cleaning agents and n-hexane<\/td>\n<\/tr>\n<tr>\n<td>Other Organic Compounds<\/td>\n<td>Dioxane, dimethyl cellosolve and other recoverable volatile organic compounds<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><!-- Illustration 2: Application Project or Installation Image --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-966 size-full aligncenter\" src=\"https:\/\/www.esair-equip.com\/wp-content\/uploads\/2026\/08\/1759993592104480.jpg\" alt=\"Industrial application of activated carbon fiber adsorption and recovery system\" width=\"640\" height=\"426\" srcset=\"https:\/\/www.esair-equip.com\/wp-content\/uploads\/2026\/08\/1759993592104480.jpg 640w, https:\/\/www.esair-equip.com\/wp-content\/uploads\/2026\/08\/1759993592104480-300x200.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<h3>Typical Application Projects<\/h3>\n<table border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"10\">\n<tbody>\n<tr>\n<td><strong>Application Process<\/strong><\/td>\n<td><strong>Recovered Organic Compound<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Polyvinyl chloride or styrene synthesis exhaust gas<\/td>\n<td>Vinyl chloride or styrene<\/td>\n<\/tr>\n<tr>\n<td>Acrylic acid production exhaust gas<\/td>\n<td>Toluene<\/td>\n<\/tr>\n<tr>\n<td>Anthraquinone hydrogen peroxide process exhaust gas<\/td>\n<td>Heavy aromatic hydrocarbons<\/td>\n<\/tr>\n<tr>\n<td>Air-oxidation benzoic acid production exhaust gas<\/td>\n<td>Toluene<\/td>\n<\/tr>\n<tr>\n<td>Chemical production exhaust gas<\/td>\n<td>Chlorobenzene<\/td>\n<\/tr>\n<tr>\n<td>Cork tipping paper printing exhaust gas<\/td>\n<td>Ethanol<\/td>\n<\/tr>\n<tr>\n<td>Packaging and printing exhaust gas<\/td>\n<td>Toluene, ethyl acetate, acetone and isopropanol<\/td>\n<\/tr>\n<tr>\n<td>Dry laminating machine exhaust gas<\/td>\n<td>Ethyl acetate<\/td>\n<\/tr>\n<tr>\n<td>Microfiber or synthetic leather production exhaust gas<\/td>\n<td>Toluene<\/td>\n<\/tr>\n<tr>\n<td>Special PE fiber production exhaust gas<\/td>\n<td>Hydrocarbon cleaning solvents<\/td>\n<\/tr>\n<tr>\n<td>Leather manufacturing exhaust gas<\/td>\n<td>Acetone and methyl ethyl ketone<\/td>\n<\/tr>\n<tr>\n<td>Tanker loading vapor recovery<\/td>\n<td>Recoverable organic compounds in oil vapor<\/td>\n<\/tr>\n<tr>\n<td>Oil storage tank breathing gas treatment<\/td>\n<td>Recoverable volatile organic compounds<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>How the Continuous Operating Cycle Works<\/h3>\n<ol>\n<li>One adsorption chamber captures VOCs from the incoming exhaust gas.<\/li>\n<li>Another saturated chamber begins steam desorption and regeneration.<\/li>\n<li>The desorbed organic vapor enters the condenser for liquid recovery.<\/li>\n<li>The regenerated ACF bed is dried and cooled with purge air.<\/li>\n<li>The automatic valves switch the chambers into the next operating cycle.<\/li>\n<\/ol>\n<p>This alternating operation allows the system to continuously treat industrial exhaust gas while recovering valuable organic solvents.<\/p>\n<h3>Frequently Asked Questions<\/h3>\n<h4>What is an activated carbon fiber adsorption and desorption tower?<\/h4>\n<p>It is a VOC treatment and solvent recovery system that uses activated carbon fiber to adsorb organic compounds from industrial exhaust gas. The captured compounds are subsequently removed through steam desorption, condensed and recovered as liquid solvents.<\/p>\n<h4>What working conditions are suitable for the EHXT series?<\/h4>\n<p>The system is suitable for low-concentration, high-air-volume exhaust gas and high-concentration intermittent emissions containing recoverable organic compounds.<\/p>\n<h4>What is the difference between activated carbon fiber and granular activated carbon?<\/h4>\n<p>Activated carbon fiber has pores that open directly onto the fiber surface, providing a shorter diffusion path, faster adsorption and desorption speed and a relatively high effective adsorption area.<\/p>\n<h4>Can the captured organic solvents be reused?<\/h4>\n<p>Yes. After steam desorption and condensation, the recovered liquid mixture can be separated by gravity, distillation or rectification. Suitable recovered solvents may be returned to production after the required purification process.<\/p>\n<h4>Can the system operate continuously?<\/h4>\n<p>Yes. Multiple adsorption chambers can operate alternately. While one chamber performs adsorption, another can undergo desorption, regeneration, drying or cooling.<\/p>\n<h4>Can ES Air customize the process configuration?<\/h4>\n<p>Yes. ES Air can configure the system according to exhaust gas volume, VOC concentration, solvent composition, emission pattern, recovery requirements and installation conditions.<\/p>\n<h3>Customized VOC Adsorption and Solvent Recovery Solutions<\/h3>\n<p>ES Air provides activated carbon fiber adsorption, desorption and solvent recovery systems for industrial VOC treatment applications.<\/p>\n<p>Equipment configuration should be determined according to the exhaust gas composition, concentration, air volume, temperature, humidity, emission pattern and solvent recovery requirements.<\/p>\n<p>Contact ES Air for process evaluation, equipment selection, engineering design and customized VOC recovery solutions.<\/p>\n<p style=\"margin-top: 30px;\"><em><br \/>\nSEO Brief: The ES Air EHXT Series Activated Carbon Fiber Adsorption and Desorption Tower is designed for industrial VOC purification and organic solvent recovery. Using regenerable activated carbon fiber, steam desorption, condensation recovery and automatic PLC control, the system is suitable for petrochemical, pharmaceutical, coating, printing, leather, synthetic fiber and oil vapor recovery applications.<br \/>\n<\/em><\/p>\n\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p PcOnly sticky\" style=\"font-size:16px;line-height:36px;color:#808080;background-color:#ffffff; border:1px #d7d7d7 solid;padding:30px 30px;border-radius:15px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h1 class=\"wp-block-heading has-black-color has-text-color has-link-color has-large-font-size wp-elements-99555ae3e05f4a5d9cb6e2edfc3ca2f8\">Activated Carbon Fiber Adsorption and Desorption Tower<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-c5cc62a0dabaa5abb57a7d937ee66cab wp-block-paragraph\" style=\"font-size:18px\"><strong>Product Classification<\/strong><\/p>\n\n\n\n<a href=\"https:\/\/www.esair-equip.com\/pt\/category\/product\/vocs-exhaust-gas-purification-equipment\">Equipamento de purifica\u00e7\u00e3o de gases de escape de COV<\/a> \n\n\n\n<div class=\"wp-block-themepark-block-themepark-xian theme_fang_out\" style=\"text-align:left;padding-top:15px;padding-bottom:15px;\"><div class=\"fangbox\" style=\"width:100%;height:1px;background-color:#e6e6e6;\"><\/div><\/div>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color has-medium-font-size wp-elements-7b3681ca418359f06d4d62aa6a3c41ca wp-block-paragraph\"><strong>Scope of Application<\/strong><\/p>\n\n\n\n<p class=\"has-monte-grey-color has-text-color has-link-color wp-elements-434dba10dab9870bd3f4392b641f9397 wp-block-paragraph\"><\/p>\n\n\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"638\" data-end=\"843\">The EHXT activated carbon fiber adsorption and desorption tower is specially designed for applications involving low-concentration, high-air-volume exhaust gas or high-concentration intermittent emissions.<\/p>\n<p data-start=\"845\" data-end=\"1119\">The system uses activated carbon fiber (ACF) as the adsorption material and adopts an advanced, efficient, safe and reliable treatment process. An integrated automatic control system enables efficient adsorption and recovery of organic compounds from industrial exhaust gas.<\/p>\n<p data-start=\"1121\" data-end=\"1308\">Activated carbon fiber mainly removes pollutants through physical adsorption. Due to the active functional groups on its surface, it also provides a certain degree of chemical adsorption.<\/p>\n<p data-start=\"1310\" data-end=\"1630\" data-is-last-node=\"\" data-is-only-node=\"\">During operation, the exhaust gas first passes through a pre-filter to remove fine suspended particles. It then enters the adsorption tower, where harmful organic components are captured by the activated carbon fiber. The purified gas, after meeting applicable emission standards, is discharged outdoors through the fan.<\/p>\n\n\n\n\n<p class=\"has-monte-grey-color has-text-color has-link-color wp-elements-434dba10dab9870bd3f4392b641f9397 wp-block-paragraph\"><\/p>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-listbox thempark-block themepark_listbox\" style=\"padding-top:15px;text-align:left;\"><ul class=\"themepark_listbox_list\" style=\"padding-left:0%;padding-right:2%;\"><li style=\"color:#000000;font-size:18px;line-height:28px;margin-bottom:9px;padding-left:33px;\"><i class=\"fas fa-envelope\" style=\"color:#009aab;line-height:28px\"><\/i><span>esairsuzhou@vip.163.com<\/span><\/li><li style=\"color:#000000;font-size:18px;line-height:28px;margin-bottom:9px;padding-left:33px;\"><i class=\"fas fa-phone\" style=\"color:#009aab;line-height:28px\"><\/i><span>0512-57398857<\/span><\/li><li style=\"color:#000000;font-size:18px;line-height:28px;margin-bottom:9px;padding-left:33px;\"><i 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src=\"https:\/\/www.esair-equip.com\/wp-content\/themes\/smartenterprise\/images\/loadings.png\" data-src=\"https:\/\/www.esair-equip.com\/wp-content\/uploads\/2026\/08\/1765338539699710.jpg\" width=\"400\" height=\"300\" alt=\"RTO \u2013 Oxidador T\u00e9rmico Regenerativo\" title=\"RTO \u2013 Oxidador T\u00e9rmico Regenerativo\"\/><\/a><div class=\"product_info\"><h3 class=\"pro_title\"><a href=\"https:\/\/www.esair-equip.com\/pt\/1004.html\">RTO \u2013 Oxidador T\u00e9rmico Regenerativo<\/a><\/h3><a  class=\"probtn\"href=\"https:\/\/www.esair-equip.com\/pt\/1004.html\"><i class=\"fas fa-chevron-circle-right\"><\/i>Ver detalhes<\/a><\/div><\/div><\/div><\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"featured_media":962,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","themepark_post_bcolor":"#f5f5f5","themepark_post_width":"100%","themepark_post_img":"","themepark_post_img_po":"left","themepark_post_img_re":false,"themepark_post_img_cover":false,"themepark_post_img_fixed":false,"themepark_post_hide_title":true,"themepark_post_main_b":"","themepark_post_main_p":100,"themepark_paddingblock":true,"_geo_short_summary":"","_geo_structured_desc":"","_geo_faqs":"","_geo_key_points":"","_geo_target_audience":"","_geo_content_type":"","_geo_last_modified":"","_geo_version":0,"themepark_seo_title":"","themepark_seo_description":"","footnotes":""},"categories":[24],"tags":[],"class_list":["post-961","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vocs-exhaust-gas-purification-equipment"],"metadata":{"themepark_auto_meta_ector0":["<h2>Activated Carbon Fiber Adsorption and Desorption Tower (EHXT Series)<\/h2>\r\nThe EHXT series activated carbon fiber adsorption and desorption tower is designed for the purification and recovery of volatile organic compounds from low-concentration, high-air-volume exhaust gas or high-concentration intermittent emissions.\r\n\r\nThe system uses activated carbon fiber, commonly abbreviated as ACF, as the adsorption material. Through an efficient, safe and reliable adsorption, desorption and recovery process, combined with integrated electromechanical control, the equipment can effectively capture and recover organic compounds from industrial exhaust gas.\r\n\r\nActivated carbon fiber adsorption is mainly based on physical adsorption. Because functional groups are present on the ACF surface, a certain degree of chemical adsorption may also occur. Before entering the adsorption tower, the exhaust gas passes through a pretreatment system to remove fine suspended particles, corrosive substances and liquid droplets.\r\n\r\nThe pretreated exhaust gas then passes through the activated carbon fiber bed. Organic pollutants are adsorbed by the ACF material, while the purified gas that meets the applicable emission requirements is discharged outdoors through the fan.\r\n\r\n<!-- Illustration 1: Working Principle or Process Flow Diagram -->\r\n\r\n<img class=\"alignnone wp-image-965 size-full\" src=\"https:\/\/www.esair-equip.com\/wp-content\/uploads\/2026\/08\/1f517648-6328-4c02-af3e-561d7da0a748.png\" alt=\"Working principle of activated carbon fiber adsorption and desorption system\" width=\"1422\" height=\"1106\" \/>\r\n<h3>Adsorption Principle<\/h3>\r\nAdsorption is a process in which molecules from a lower-density substance accumulate on the surface of a higher-density material when two different phases come into contact.\r\n\r\nThe material that captures and retains the molecules is called the adsorbent. It is usually a porous solid with a relatively high density. The substance being captured is called the adsorbate and is generally a gas or liquid with a relatively lower density.\r\n\r\nAdsorption processes can include chemical adsorption, activated adsorption, capillary condensation and physical adsorption. Activated carbon fiber mainly works through a combination of capillary condensation and physical adsorption.\r\n\r\nThe micropores in activated carbon fiber can be regarded as extremely small capillaries. When gaseous or liquid organic molecules come into contact with the ACF surface, capillary forces cause the molecules to condense inside the micropores.\r\n\r\nPhysical adsorption is generated by intermolecular forces, also known as van der Waals forces, between the adsorbent and the adsorbate. No chemical reaction occurs during this process. Physical adsorption is rapid, reaches equilibrium quickly and is generally reversible.\r\n\r\nBecause the micropores of activated carbon fiber open directly onto the fiber surface, organic molecules can enter the pores through a very short diffusion path. Intermolecular attraction continuously draws additional molecules into the micropores until the available adsorption space is filled.\r\n\r\nEffective adsorption depends on the relationship between the pore diameter and the molecular size of the organic compound. The pore structure must be slightly larger than the target molecule so that the molecule can fully enter and be retained. A pore that is too large or too small may reduce adsorption performance.\r\n\r\nDifferent raw materials and activation conditions can therefore be used to produce activated carbon fiber with different pore structures for the selective adsorption of different organic compounds.\r\n<h3>System Structure<\/h3>\r\nThe activated carbon fiber adsorption and recovery system uses a high-quality stainless steel housing. Each adsorption chamber contains a specified number of annular fixed beds wrapped with activated carbon fiber felt.\r\n\r\nDepending on the required treatment capacity and adsorption efficiency, the system can be configured as a single-stage, two-stage or multi-stage adsorption process. Multiple adsorption chambers can be connected in parallel or in series through pipelines and automatic valves.\r\n\r\nThe chambers operate in alternating cycles so that adsorption, desorption, regeneration, drying and cooling can proceed continuously.\r\n<h3>Process Stages<\/h3>\r\n<table border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"10\">\r\n<tbody>\r\n<tr>\r\n<td><strong>Process Stage<\/strong><\/td>\r\n<td><strong>Description<\/strong><\/td>\r\n<\/tr>\r\n<tr>\r\n<td><strong>1. Pretreatment and Adsorption<\/strong><\/td>\r\n<td>Acidic or alkaline corrosive substances, solid particles, liquid droplets and other entrained contaminants are removed during pretreatment. After the exhaust gas temperature is reduced, the fan delivers the gas into the adsorption unit. Organic compounds are captured while passing through the activated carbon fiber bed, and the purified gas is discharged from the top of the tower.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td><strong>2. Desorption and Regeneration<\/strong><\/td>\r\n<td>Steam is introduced from the top of the adsorption unit to heat the activated carbon fiber bed and desorb the captured organic compounds. After desorption, the ACF bed has a relatively high temperature and moisture content. Purge air is introduced to rapidly cool and dry the bed before the next adsorption cycle begins.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td><strong>3. Condensation and Recovery<\/strong><\/td>\r\n<td>The mixed vapor generated during desorption enters a condenser and is converted into a liquid mixture. Recoverable organic compounds can then be separated by gravity separation, distillation, rectification or other suitable recovery processes.<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<h3>Activated Carbon Fiber Characteristics<\/h3>\r\n<ul>\r\n \t<li>Highly developed pore structure with a large specific surface area<\/li>\r\n \t<li>Predominantly microporous structure with only a small proportion of transitional pores<\/li>\r\n \t<li>High ratio of effective adsorption pores<\/li>\r\n \t<li>Fine fiber diameter and pores that open directly onto the fiber surface<\/li>\r\n \t<li>Short adsorption and diffusion paths<\/li>\r\n \t<li>Large and uniformly distributed contact area<\/li>\r\n \t<li>Uniform pore diameter and narrow pore-size distribution<\/li>\r\n \t<li>Good adsorption selectivity for different organic compounds<\/li>\r\n \t<li>Flexible material forms, including yarn, cloth, felt and paper<\/li>\r\n<\/ul>\r\nThese characteristics give activated carbon fiber a high adsorption capacity, rapid adsorption and desorption rates and the ability to selectively capture and recover different volatile organic compounds.\r\n<h3>Key Advantages<\/h3>\r\n<table border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"10\">\r\n<tbody>\r\n<tr>\r\n<td><strong>Advantage<\/strong><\/td>\r\n<td><strong>Description<\/strong><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>High Adsorption Capacity<\/td>\r\n<td>The developed microporous structure provides a large effective adsorption area for organic compounds.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Rapid Adsorption and Desorption<\/td>\r\n<td>The short diffusion path allows organic molecules to enter and leave the activated carbon fiber rapidly.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Organic Solvent Recovery<\/td>\r\n<td>Captured organic compounds can be desorbed, condensed and recovered for reuse.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Flexible Process Configuration<\/td>\r\n<td>Single-stage, two-stage, multi-stage, parallel and series configurations are available.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Automatic Operation<\/td>\r\n<td>PLC control coordinates adsorption, desorption, regeneration, drying and cooling cycles.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Compact Structure<\/td>\r\n<td>The annular fixed-bed design increases the ventilation area, reduces resistance and minimizes installation space.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Reduced Operating Costs<\/td>\r\n<td>Regenerable ACF material and solvent recovery help reduce material consumption and waste treatment costs.<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<h3>Innovative System Design<\/h3>\r\n<ul>\r\n \t<li>The system uses cylinder-operated damper valves suitable for handling large exhaust gas volumes. Their cost is significantly lower than pneumatic butterfly valves of comparable size.<\/li>\r\n \t<li>A three-way bypass valve is installed before the adsorption system. If the equipment requires maintenance or experiences a fault, workshop production can continue without interruption.<\/li>\r\n \t<li>For systems requiring fan pressurization, the main fan is positioned before the three-way bypass valve. The fan can continue operating during maintenance or equipment shutdown, maintaining active workshop exhaust and improving the production environment.<\/li>\r\n \t<li>The annular fixed-bed structure is wrapped with activated carbon fiber felt. This design increases the effective ventilation area, reduces pressure resistance and improves exhaust gas treatment capacity.<\/li>\r\n \t<li>The equipment offers flexible selection and process configurations. For organic compounds that are difficult to adsorb, a recirculation system can repeatedly pass the exhaust gas through the adsorption bed to improve removal efficiency.<\/li>\r\n \t<li>The PLC control system follows a programmed sequence for adsorption, desorption, regeneration, drying and cooling. Even under frequent switching conditions, all system components operate in a coordinated and fully automatic manner.<\/li>\r\n<\/ul>\r\n<h3>Applicable Industries<\/h3>\r\nThe EHXT activated carbon fiber adsorption and recovery system is suitable for exhaust gas treatment and organic solvent recovery in the following industries:\r\n<ul>\r\n \t<li>Petrochemical processing<\/li>\r\n \t<li>Pharmaceutical and chemical manufacturing<\/li>\r\n \t<li>Pesticide production<\/li>\r\n \t<li>Industrial coating and lamination<\/li>\r\n \t<li>Painting and surface coating<\/li>\r\n \t<li>Packaging and printing<\/li>\r\n \t<li>Leather manufacturing<\/li>\r\n \t<li>Microfiber and synthetic leather production<\/li>\r\n \t<li>Ultra-high-molecular-weight polyethylene fiber production<\/li>\r\n \t<li>Tank loading and oil storage facilities<\/li>\r\n<\/ul>\r\nThe system captures organic compounds from industrial exhaust gas for recovery and reuse, helping reduce solvent consumption, atmospheric emissions and environmental pollution.\r\n<h3>Recoverable Organic Compounds<\/h3>\r\n<table border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"10\">\r\n<tbody>\r\n<tr>\r\n<td><strong>Category<\/strong><\/td>\r\n<td><strong>Typical Recoverable Compounds<\/strong><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Alcohols<\/td>\r\n<td>Ethanol, isopropanol and butanol<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Aromatic Hydrocarbons<\/td>\r\n<td>Benzene, toluene, xylene, chlorobenzene, styrene and heavy aromatic hydrocarbons<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Ketones<\/td>\r\n<td>Acetone, methyl ethyl ketone, methyl isobutyl ketone and cyclohexanone<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Esters<\/td>\r\n<td>Ethyl acetate, butyl acetate, acrylates and vinyl acetate<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Chlorinated Solvents<\/td>\r\n<td>1,1,1-Trichloroethane, dichloromethane, chloroform, carbon tetrachloride, trichloroethylene and perchloroethylene<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Hydrocarbon Solvents<\/td>\r\n<td>Petroleum ether, naphtha, hydrocarbon cleaning agents and n-hexane<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Other Organic Compounds<\/td>\r\n<td>Dioxane, dimethyl cellosolve and other recoverable volatile organic compounds<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<!-- Illustration 2: Application Project or Installation Image -->\r\n\r\n<img class=\"wp-image-966 size-full aligncenter\" src=\"https:\/\/www.esair-equip.com\/wp-content\/uploads\/2026\/08\/1759993592104480.jpg\" alt=\"Industrial application of activated carbon fiber adsorption and recovery system\" width=\"640\" height=\"426\" \/>\r\n<h3>Typical Application Projects<\/h3>\r\n<table border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"10\">\r\n<tbody>\r\n<tr>\r\n<td><strong>Application Process<\/strong><\/td>\r\n<td><strong>Recovered Organic Compound<\/strong><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Polyvinyl chloride or styrene synthesis exhaust gas<\/td>\r\n<td>Vinyl chloride or styrene<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Acrylic acid production exhaust gas<\/td>\r\n<td>Toluene<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Anthraquinone hydrogen peroxide process exhaust gas<\/td>\r\n<td>Heavy aromatic hydrocarbons<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Air-oxidation benzoic acid production exhaust gas<\/td>\r\n<td>Toluene<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Chemical production exhaust gas<\/td>\r\n<td>Chlorobenzene<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Cork tipping paper printing exhaust gas<\/td>\r\n<td>Ethanol<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Packaging and printing exhaust gas<\/td>\r\n<td>Toluene, ethyl acetate, acetone and isopropanol<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Dry laminating machine exhaust gas<\/td>\r\n<td>Ethyl acetate<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Microfiber or synthetic leather production exhaust gas<\/td>\r\n<td>Toluene<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Special PE fiber production exhaust gas<\/td>\r\n<td>Hydrocarbon cleaning solvents<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Leather manufacturing exhaust gas<\/td>\r\n<td>Acetone and methyl ethyl ketone<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Tanker loading vapor recovery<\/td>\r\n<td>Recoverable organic compounds in oil vapor<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Oil storage tank breathing gas treatment<\/td>\r\n<td>Recoverable volatile organic compounds<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<h3>How the Continuous Operating Cycle Works<\/h3>\r\n<ol>\r\n \t<li>One adsorption chamber captures VOCs from the incoming exhaust gas.<\/li>\r\n \t<li>Another saturated chamber begins steam desorption and regeneration.<\/li>\r\n \t<li>The desorbed organic vapor enters the condenser for liquid recovery.<\/li>\r\n \t<li>The regenerated ACF bed is dried and cooled with purge air.<\/li>\r\n \t<li>The automatic valves switch the chambers into the next operating cycle.<\/li>\r\n<\/ol>\r\nThis alternating operation allows the system to continuously treat industrial exhaust gas while recovering valuable organic solvents.\r\n<h3>Frequently Asked Questions<\/h3>\r\n<h4>What is an activated carbon fiber adsorption and desorption tower?<\/h4>\r\nIt is a VOC treatment and solvent recovery system that uses activated carbon fiber to adsorb organic compounds from industrial exhaust gas. The captured compounds are subsequently removed through steam desorption, condensed and recovered as liquid solvents.\r\n<h4>What working conditions are suitable for the EHXT series?<\/h4>\r\nThe system is suitable for low-concentration, high-air-volume exhaust gas and high-concentration intermittent emissions containing recoverable organic compounds.\r\n<h4>What is the difference between activated carbon fiber and granular activated carbon?<\/h4>\r\nActivated carbon fiber has pores that open directly onto the fiber surface, providing a shorter diffusion path, faster adsorption and desorption speed and a relatively high effective adsorption area.\r\n<h4>Can the captured organic solvents be reused?<\/h4>\r\nYes. After steam desorption and condensation, the recovered liquid mixture can be separated by gravity, distillation or rectification. Suitable recovered solvents may be returned to production after the required purification process.\r\n<h4>Can the system operate continuously?<\/h4>\r\nYes. Multiple adsorption chambers can operate alternately. While one chamber performs adsorption, another can undergo desorption, regeneration, drying or cooling.\r\n<h4>Can ES Air customize the process configuration?<\/h4>\r\nYes. ES Air can configure the system according to exhaust gas volume, VOC concentration, solvent composition, emission pattern, recovery requirements and installation conditions.\r\n<h3>Customized VOC Adsorption and Solvent Recovery Solutions<\/h3>\r\nES Air provides activated carbon fiber adsorption, desorption and solvent recovery systems for industrial VOC treatment applications.\r\n\r\nEquipment configuration should be determined according to the exhaust gas composition, concentration, air volume, temperature, humidity, emission pattern and solvent recovery requirements.\r\n\r\nContact ES Air for process evaluation, equipment selection, engineering design and customized VOC recovery solutions.\r\n<p style=\"margin-top: 30px;\"><em>\r\nSEO Brief: The ES Air EHXT Series Activated Carbon Fiber Adsorption and Desorption Tower is designed for industrial VOC purification and organic solvent recovery. Using regenerable activated carbon fiber, steam desorption, condensation recovery and automatic PLC control, the system is suitable for petrochemical, pharmaceutical, coating, printing, leather, synthetic fiber and oil vapor recovery applications.\r\n<\/em><\/p>"],"themepark_auto_meta_ector1":["<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"638\" data-end=\"843\">The EHXT activated carbon fiber adsorption and desorption tower is specially designed for applications involving low-concentration, high-air-volume exhaust gas or high-concentration intermittent emissions.<\/p>\r\n<p data-start=\"845\" data-end=\"1119\">The system uses activated carbon fiber (ACF) as the adsorption material and adopts an advanced, efficient, safe and reliable treatment process. An integrated automatic control system enables efficient adsorption and recovery of organic compounds from industrial exhaust gas.<\/p>\r\n<p data-start=\"1121\" data-end=\"1308\">Activated carbon fiber mainly removes pollutants through physical adsorption. Due to the active functional groups on its surface, it also provides a certain degree of chemical adsorption.<\/p>\r\n<p data-start=\"1310\" data-end=\"1630\" data-is-last-node=\"\" data-is-only-node=\"\">During operation, the exhaust gas first passes through a pre-filter to remove fine suspended particles. It then enters the adsorption tower, where harmful organic components are captured by the activated carbon fiber. The purified gas, after meeting applicable emission standards, is discharged outdoors through the fan.<\/p>"],"themepark_auto_meta_slideb2":["962,960,963"],"themepark_post_bcolor":["#f5f5f5"],"themepark_post_width":["100%"],"themepark_post_img_po":["left"],"themepark_post_hide_title":["1"],"themepark_post_main_p":["100"],"themepark_paddingblock":["1"],"themepark_auto_metas":["a:3:{s:6:\"ector0\";s:16290:\"<h2>Activated Carbon Fiber Adsorption and Desorption Tower (EHXT Series)<\/h2>\r\nThe EHXT series activated carbon fiber adsorption and desorption tower is designed for the purification and recovery of volatile organic compounds from low-concentration, high-air-volume exhaust gas or high-concentration intermittent emissions.\r\n\r\nThe system uses activated carbon fiber, commonly abbreviated as ACF, as the adsorption material. Through an efficient, safe and reliable adsorption, desorption and recovery process, combined with integrated electromechanical control, the equipment can effectively capture and recover organic compounds from industrial exhaust gas.\r\n\r\nActivated carbon fiber adsorption is mainly based on physical adsorption. Because functional groups are present on the ACF surface, a certain degree of chemical adsorption may also occur. Before entering the adsorption tower, the exhaust gas passes through a pretreatment system to remove fine suspended particles, corrosive substances and liquid droplets.\r\n\r\nThe pretreated exhaust gas then passes through the activated carbon fiber bed. Organic pollutants are adsorbed by the ACF material, while the purified gas that meets the applicable emission requirements is discharged outdoors through the fan.\r\n\r\n<!-- Illustration 1: Working Principle or Process Flow Diagram -->\r\n\r\n<img class=\"alignnone wp-image-965 size-full\" src=\"https:\/\/www.esair-equip.com\/wp-content\/uploads\/2026\/08\/1f517648-6328-4c02-af3e-561d7da0a748.png\" alt=\"Working principle of activated carbon fiber adsorption and desorption system\" width=\"1422\" height=\"1106\" \/>\r\n<h3>Adsorption Principle<\/h3>\r\nAdsorption is a process in which molecules from a lower-density substance accumulate on the surface of a higher-density material when two different phases come into contact.\r\n\r\nThe material that captures and retains the molecules is called the adsorbent. It is usually a porous solid with a relatively high density. The substance being captured is called the adsorbate and is generally a gas or liquid with a relatively lower density.\r\n\r\nAdsorption processes can include chemical adsorption, activated adsorption, capillary condensation and physical adsorption. Activated carbon fiber mainly works through a combination of capillary condensation and physical adsorption.\r\n\r\nThe micropores in activated carbon fiber can be regarded as extremely small capillaries. When gaseous or liquid organic molecules come into contact with the ACF surface, capillary forces cause the molecules to condense inside the micropores.\r\n\r\nPhysical adsorption is generated by intermolecular forces, also known as van der Waals forces, between the adsorbent and the adsorbate. No chemical reaction occurs during this process. Physical adsorption is rapid, reaches equilibrium quickly and is generally reversible.\r\n\r\nBecause the micropores of activated carbon fiber open directly onto the fiber surface, organic molecules can enter the pores through a very short diffusion path. Intermolecular attraction continuously draws additional molecules into the micropores until the available adsorption space is filled.\r\n\r\nEffective adsorption depends on the relationship between the pore diameter and the molecular size of the organic compound. The pore structure must be slightly larger than the target molecule so that the molecule can fully enter and be retained. A pore that is too large or too small may reduce adsorption performance.\r\n\r\nDifferent raw materials and activation conditions can therefore be used to produce activated carbon fiber with different pore structures for the selective adsorption of different organic compounds.\r\n<h3>System Structure<\/h3>\r\nThe activated carbon fiber adsorption and recovery system uses a high-quality stainless steel housing. Each adsorption chamber contains a specified number of annular fixed beds wrapped with activated carbon fiber felt.\r\n\r\nDepending on the required treatment capacity and adsorption efficiency, the system can be configured as a single-stage, two-stage or multi-stage adsorption process. Multiple adsorption chambers can be connected in parallel or in series through pipelines and automatic valves.\r\n\r\nThe chambers operate in alternating cycles so that adsorption, desorption, regeneration, drying and cooling can proceed continuously.\r\n<h3>Process Stages<\/h3>\r\n<table border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"10\">\r\n<tbody>\r\n<tr>\r\n<td><strong>Process Stage<\/strong><\/td>\r\n<td><strong>Description<\/strong><\/td>\r\n<\/tr>\r\n<tr>\r\n<td><strong>1. Pretreatment and Adsorption<\/strong><\/td>\r\n<td>Acidic or alkaline corrosive substances, solid particles, liquid droplets and other entrained contaminants are removed during pretreatment. After the exhaust gas temperature is reduced, the fan delivers the gas into the adsorption unit. Organic compounds are captured while passing through the activated carbon fiber bed, and the purified gas is discharged from the top of the tower.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td><strong>2. Desorption and Regeneration<\/strong><\/td>\r\n<td>Steam is introduced from the top of the adsorption unit to heat the activated carbon fiber bed and desorb the captured organic compounds. After desorption, the ACF bed has a relatively high temperature and moisture content. Purge air is introduced to rapidly cool and dry the bed before the next adsorption cycle begins.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td><strong>3. Condensation and Recovery<\/strong><\/td>\r\n<td>The mixed vapor generated during desorption enters a condenser and is converted into a liquid mixture. Recoverable organic compounds can then be separated by gravity separation, distillation, rectification or other suitable recovery processes.<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<h3>Activated Carbon Fiber Characteristics<\/h3>\r\n<ul>\r\n \t<li>Highly developed pore structure with a large specific surface area<\/li>\r\n \t<li>Predominantly microporous structure with only a small proportion of transitional pores<\/li>\r\n \t<li>High ratio of effective adsorption pores<\/li>\r\n \t<li>Fine fiber diameter and pores that open directly onto the fiber surface<\/li>\r\n \t<li>Short adsorption and diffusion paths<\/li>\r\n \t<li>Large and uniformly distributed contact area<\/li>\r\n \t<li>Uniform pore diameter and narrow pore-size distribution<\/li>\r\n \t<li>Good adsorption selectivity for different organic compounds<\/li>\r\n \t<li>Flexible material forms, including yarn, cloth, felt and paper<\/li>\r\n<\/ul>\r\nThese characteristics give activated carbon fiber a high adsorption capacity, rapid adsorption and desorption rates and the ability to selectively capture and recover different volatile organic compounds.\r\n<h3>Key Advantages<\/h3>\r\n<table border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"10\">\r\n<tbody>\r\n<tr>\r\n<td><strong>Advantage<\/strong><\/td>\r\n<td><strong>Description<\/strong><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>High Adsorption Capacity<\/td>\r\n<td>The developed microporous structure provides a large effective adsorption area for organic compounds.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Rapid Adsorption and Desorption<\/td>\r\n<td>The short diffusion path allows organic molecules to enter and leave the activated carbon fiber rapidly.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Organic Solvent Recovery<\/td>\r\n<td>Captured organic compounds can be desorbed, condensed and recovered for reuse.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Flexible Process Configuration<\/td>\r\n<td>Single-stage, two-stage, multi-stage, parallel and series configurations are available.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Automatic Operation<\/td>\r\n<td>PLC control coordinates adsorption, desorption, regeneration, drying and cooling cycles.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Compact Structure<\/td>\r\n<td>The annular fixed-bed design increases the ventilation area, reduces resistance and minimizes installation space.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Reduced Operating Costs<\/td>\r\n<td>Regenerable ACF material and solvent recovery help reduce material consumption and waste treatment costs.<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<h3>Innovative System Design<\/h3>\r\n<ul>\r\n \t<li>The system uses cylinder-operated damper valves suitable for handling large exhaust gas volumes. Their cost is significantly lower than pneumatic butterfly valves of comparable size.<\/li>\r\n \t<li>A three-way bypass valve is installed before the adsorption system. If the equipment requires maintenance or experiences a fault, workshop production can continue without interruption.<\/li>\r\n \t<li>For systems requiring fan pressurization, the main fan is positioned before the three-way bypass valve. The fan can continue operating during maintenance or equipment shutdown, maintaining active workshop exhaust and improving the production environment.<\/li>\r\n \t<li>The annular fixed-bed structure is wrapped with activated carbon fiber felt. This design increases the effective ventilation area, reduces pressure resistance and improves exhaust gas treatment capacity.<\/li>\r\n \t<li>The equipment offers flexible selection and process configurations. For organic compounds that are difficult to adsorb, a recirculation system can repeatedly pass the exhaust gas through the adsorption bed to improve removal efficiency.<\/li>\r\n \t<li>The PLC control system follows a programmed sequence for adsorption, desorption, regeneration, drying and cooling. Even under frequent switching conditions, all system components operate in a coordinated and fully automatic manner.<\/li>\r\n<\/ul>\r\n<h3>Applicable Industries<\/h3>\r\nThe EHXT activated carbon fiber adsorption and recovery system is suitable for exhaust gas treatment and organic solvent recovery in the following industries:\r\n<ul>\r\n \t<li>Petrochemical processing<\/li>\r\n \t<li>Pharmaceutical and chemical manufacturing<\/li>\r\n \t<li>Pesticide production<\/li>\r\n \t<li>Industrial coating and lamination<\/li>\r\n \t<li>Painting and surface coating<\/li>\r\n \t<li>Packaging and printing<\/li>\r\n \t<li>Leather manufacturing<\/li>\r\n \t<li>Microfiber and synthetic leather production<\/li>\r\n \t<li>Ultra-high-molecular-weight polyethylene fiber production<\/li>\r\n \t<li>Tank loading and oil storage facilities<\/li>\r\n<\/ul>\r\nThe system captures organic compounds from industrial exhaust gas for recovery and reuse, helping reduce solvent consumption, atmospheric emissions and environmental pollution.\r\n<h3>Recoverable Organic Compounds<\/h3>\r\n<table border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"10\">\r\n<tbody>\r\n<tr>\r\n<td><strong>Category<\/strong><\/td>\r\n<td><strong>Typical Recoverable Compounds<\/strong><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Alcohols<\/td>\r\n<td>Ethanol, isopropanol and butanol<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Aromatic Hydrocarbons<\/td>\r\n<td>Benzene, toluene, xylene, chlorobenzene, styrene and heavy aromatic hydrocarbons<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Ketones<\/td>\r\n<td>Acetone, methyl ethyl ketone, methyl isobutyl ketone and cyclohexanone<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Esters<\/td>\r\n<td>Ethyl acetate, butyl acetate, acrylates and vinyl acetate<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Chlorinated Solvents<\/td>\r\n<td>1,1,1-Trichloroethane, dichloromethane, chloroform, carbon tetrachloride, trichloroethylene and perchloroethylene<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Hydrocarbon Solvents<\/td>\r\n<td>Petroleum ether, naphtha, hydrocarbon cleaning agents and n-hexane<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Other Organic Compounds<\/td>\r\n<td>Dioxane, dimethyl cellosolve and other recoverable volatile organic compounds<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<!-- Illustration 2: Application Project or Installation Image -->\r\n\r\n<img class=\"wp-image-966 size-full aligncenter\" src=\"https:\/\/www.esair-equip.com\/wp-content\/uploads\/2026\/08\/1759993592104480.jpg\" alt=\"Industrial application of activated carbon fiber adsorption and recovery system\" width=\"640\" height=\"426\" \/>\r\n<h3>Typical Application Projects<\/h3>\r\n<table border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"10\">\r\n<tbody>\r\n<tr>\r\n<td><strong>Application Process<\/strong><\/td>\r\n<td><strong>Recovered Organic Compound<\/strong><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Polyvinyl chloride or styrene synthesis exhaust gas<\/td>\r\n<td>Vinyl chloride or styrene<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Acrylic acid production exhaust gas<\/td>\r\n<td>Toluene<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Anthraquinone hydrogen peroxide process exhaust gas<\/td>\r\n<td>Heavy aromatic hydrocarbons<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Air-oxidation benzoic acid production exhaust gas<\/td>\r\n<td>Toluene<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Chemical production exhaust gas<\/td>\r\n<td>Chlorobenzene<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Cork tipping paper printing exhaust gas<\/td>\r\n<td>Ethanol<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Packaging and printing exhaust gas<\/td>\r\n<td>Toluene, ethyl acetate, acetone and isopropanol<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Dry laminating machine exhaust gas<\/td>\r\n<td>Ethyl acetate<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Microfiber or synthetic leather production exhaust gas<\/td>\r\n<td>Toluene<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Special PE fiber production exhaust gas<\/td>\r\n<td>Hydrocarbon cleaning solvents<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Leather manufacturing exhaust gas<\/td>\r\n<td>Acetone and methyl ethyl ketone<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Tanker loading vapor recovery<\/td>\r\n<td>Recoverable organic compounds in oil vapor<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Oil storage tank breathing gas treatment<\/td>\r\n<td>Recoverable volatile organic compounds<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<h3>How the Continuous Operating Cycle Works<\/h3>\r\n<ol>\r\n \t<li>One adsorption chamber captures VOCs from the incoming exhaust gas.<\/li>\r\n \t<li>Another saturated chamber begins steam desorption and regeneration.<\/li>\r\n \t<li>The desorbed organic vapor enters the condenser for liquid recovery.<\/li>\r\n \t<li>The regenerated ACF bed is dried and cooled with purge air.<\/li>\r\n \t<li>The automatic valves switch the chambers into the next operating cycle.<\/li>\r\n<\/ol>\r\nThis alternating operation allows the system to continuously treat industrial exhaust gas while recovering valuable organic solvents.\r\n<h3>Frequently Asked Questions<\/h3>\r\n<h4>What is an activated carbon fiber adsorption and desorption tower?<\/h4>\r\nIt is a VOC treatment and solvent recovery system that uses activated carbon fiber to adsorb organic compounds from industrial exhaust gas. The captured compounds are subsequently removed through steam desorption, condensed and recovered as liquid solvents.\r\n<h4>What working conditions are suitable for the EHXT series?<\/h4>\r\nThe system is suitable for low-concentration, high-air-volume exhaust gas and high-concentration intermittent emissions containing recoverable organic compounds.\r\n<h4>What is the difference between activated carbon fiber and granular activated carbon?<\/h4>\r\nActivated carbon fiber has pores that open directly onto the fiber surface, providing a shorter diffusion path, faster adsorption and desorption speed and a relatively high effective adsorption area.\r\n<h4>Can the captured organic solvents be reused?<\/h4>\r\nYes. After steam desorption and condensation, the recovered liquid mixture can be separated by gravity, distillation or rectification. Suitable recovered solvents may be returned to production after the required purification process.\r\n<h4>Can the system operate continuously?<\/h4>\r\nYes. Multiple adsorption chambers can operate alternately. While one chamber performs adsorption, another can undergo desorption, regeneration, drying or cooling.\r\n<h4>Can ES Air customize the process configuration?<\/h4>\r\nYes. ES Air can configure the system according to exhaust gas volume, VOC concentration, solvent composition, emission pattern, recovery requirements and installation conditions.\r\n<h3>Customized VOC Adsorption and Solvent Recovery Solutions<\/h3>\r\nES Air provides activated carbon fiber adsorption, desorption and solvent recovery systems for industrial VOC treatment applications.\r\n\r\nEquipment configuration should be determined according to the exhaust gas composition, concentration, air volume, temperature, humidity, emission pattern and solvent recovery requirements.\r\n\r\nContact ES Air for process evaluation, equipment selection, engineering design and customized VOC recovery solutions.\r\n<p style=\"margin-top: 30px;\"><em>\r\nSEO Brief: The ES Air EHXT Series Activated Carbon Fiber Adsorption and Desorption Tower is designed for industrial VOC purification and organic solvent recovery. Using regenerable activated carbon fiber, steam desorption, condensation recovery and automatic PLC control, the system is suitable for petrochemical, pharmaceutical, coating, printing, leather, synthetic fiber and oil vapor recovery applications.\r\n<\/em><\/p>\";s:6:\"ector1\";s:1235:\"<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"638\" data-end=\"843\">The EHXT activated carbon fiber adsorption and desorption tower is specially designed for applications involving low-concentration, high-air-volume exhaust gas or high-concentration intermittent emissions.<\/p>\r\n<p data-start=\"845\" data-end=\"1119\">The system uses activated carbon fiber (ACF) as the adsorption material and adopts an advanced, efficient, safe and reliable treatment process. An integrated automatic control system enables efficient adsorption and recovery of organic compounds from industrial exhaust gas.<\/p>\r\n<p data-start=\"1121\" data-end=\"1308\">Activated carbon fiber mainly removes pollutants through physical adsorption. Due to the active functional groups on its surface, it also provides a certain degree of chemical adsorption.<\/p>\r\n<p data-start=\"1310\" data-end=\"1630\" data-is-last-node=\"\" data-is-only-node=\"\">During operation, the exhaust gas first passes through a pre-filter to remove fine suspended particles. It then enters the adsorption tower, where harmful organic components are captured by the activated carbon fiber. The purified gas, after meeting applicable emission standards, is discharged outdoors through the fan.<\/p>\";s:7:\"slideb2\";s:11:\"962,960,963\";}"],"_thumbnail_id":["962"],"_autoid":["1"],"_blocktemname":["\u4ea7\u54c1\u8be6\u60c5\u6a21\u677f"]},"medium_url":"https:\/\/www.esair-equip.com\/wp-content\/uploads\/2026\/08\/1759993655314572-300x200.jpg","thumbnail_url":"https:\/\/www.esair-equip.com\/wp-content\/uploads\/2026\/08\/1759993655314572-150x150.jpg","full_url":"https:\/\/www.esair-equip.com\/wp-content\/uploads\/2026\/08\/1759993655314572.jpg","_links":{"self":[{"href":"https:\/\/www.esair-equip.com\/pt\/wp-json\/wp\/v2\/posts\/961","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.esair-equip.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.esair-equip.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.esair-equip.com\/pt\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.esair-equip.com\/pt\/wp-json\/wp\/v2\/comments?post=961"}],"version-history":[{"count":1,"href":"https:\/\/www.esair-equip.com\/pt\/wp-json\/wp\/v2\/posts\/961\/revisions"}],"predecessor-version":[{"id":964,"href":"https:\/\/www.esair-equip.com\/pt\/wp-json\/wp\/v2\/posts\/961\/revisions\/964"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.esair-equip.com\/pt\/wp-json\/wp\/v2\/media\/962"}],"wp:attachment":[{"href":"https:\/\/www.esair-equip.com\/pt\/wp-json\/wp\/v2\/media?parent=961"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.esair-equip.com\/pt\/wp-json\/wp\/v2\/categories?post=961"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.esair-equip.com\/pt\/wp-json\/wp\/v2\/tags?post=961"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}