{"id":10428,"date":"2025-10-15T01:31:45","date_gmt":"2025-10-15T01:31:45","guid":{"rendered":"https:\/\/tankechemical.com\/post\/biogas-activated-carbon-purification-removal-hydrogen-sulfide\/"},"modified":"2025-10-15T01:31:45","modified_gmt":"2025-10-15T01:31:45","slug":"biogas-activated-carbon-purification-removal-hydrogen-sulfide","status":"publish","type":"post","link":"https:\/\/tankechemical.com\/ko\/post\/biogas-activated-carbon-purification-removal-hydrogen-sulfide\/","title":{"rendered":"\ubc14\uc774\uc624\uac00\uc2a4 \uc815\ud654\ub97c \uc704\ud55c \ud65c\uc131\ud0c4 \uc0ac\uc6a9 \ubc29\ubc95"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/tankechemical.com\/wp-content\/uploads\/2025\/10\/006bd54bdf404834b74993c7cbdfd45f.webp\" alt=\"\ubc14\uc774\uc624\uac00\uc2a4 \uc815\ud654\ub97c \uc704\ud55c \ud65c\uc131\ud0c4 \uc0ac\uc6a9 \ubc29\ubc95\" class=\"wp-image-10424\" srcset=\"https:\/\/tankechemical.com\/wp-content\/uploads\/2025\/10\/006bd54bdf404834b74993c7cbdfd45f.webp 1200w, https:\/\/tankechemical.com\/wp-content\/uploads\/2025\/10\/006bd54bdf404834b74993c7cbdfd45f-300x169.webp 300w, https:\/\/tankechemical.com\/wp-content\/uploads\/2025\/10\/006bd54bdf404834b74993c7cbdfd45f-1024x576.webp 1024w, https:\/\/tankechemical.com\/wp-content\/uploads\/2025\/10\/006bd54bdf404834b74993c7cbdfd45f-768x432.webp 768w, https:\/\/tankechemical.com\/wp-content\/uploads\/2025\/10\/006bd54bdf404834b74993c7cbdfd45f-18x10.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">\uc774\ubbf8\uc9c0 \ucd9c\ucc98: <a target=\"_blank\" rel=\"nofollow noopener\" href=\"https:\/\/unsplash.com\">\uc5b8\uc2a4\ud50c\ub798\uc2dc<\/a><\/figcaption><\/figure>\n\n\n\n<p>\uc0ac\uc6a9 <a target=\"_blank\" href=\"https:\/\/tankechemical.com\/ko\/activated-carbon-application\/gas-air-treatment\/biogas-activated-carbon\/\">\ubc14\uc774\uc624\uac00\uc2a4 \ud65c\uc131\ud0c4<\/a> to catch bad substances in biogas before it gets to your machines. This step is called biogas purification. It keeps engines safe and makes the fuel better. Raw biogas has things like <a target=\"_blank\" rel=\"nofollow noopener\" href=\"https:\/\/www.chemviron.eu\/what-are-the-contaminants-in-biogas-and-biomethane\/\">hydrogen sulfide, ammonia, siloxanes, and volatile organic compounds<\/a>. These things can rust or hurt your equipment.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/tankechemical.com\/wp-content\/uploads\/2025\/10\/chart_1760491227820661714.webp\" alt=\"Bar chart showing typical concentrations of common contaminants in raw biogas\" class=\"wp-image-10425\" srcset=\"https:\/\/tankechemical.com\/wp-content\/uploads\/2025\/10\/chart_1760491227820661714.webp 1024w, https:\/\/tankechemical.com\/wp-content\/uploads\/2025\/10\/chart_1760491227820661714-300x225.webp 300w, https:\/\/tankechemical.com\/wp-content\/uploads\/2025\/10\/chart_1760491227820661714-768x576.webp 768w, https:\/\/tankechemical.com\/wp-content\/uploads\/2025\/10\/chart_1760491227820661714-16x12.webp 16w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Taking out these bad things makes your system safer and helps it work better.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\uc8fc\uc694 \ub0b4\uc6a9<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Cleaning biogas is important to take out harmful things like hydrogen sulfide and ammonia. This keeps your machines safe and helps them use energy better.<\/p><\/li><li><p><a target=\"_blank\" href=\"https:\/\/tankechemical.com\/ko\/post\/activated-carbon-manufacturing-process-steps-raw-materials\/\">Picking the right activated carbon<\/a> is very important. Some types work better for certain bad things, so choose the carbon that fits your biogas.<\/p><\/li><li><p><a target=\"_blank\" href=\"https:\/\/tankechemical.com\/ko\/post\/can-reusable-activated-carbon-be-reused-safely-methods\/\">Check and change activated carbon filters<\/a> often. If you smell bad odors or the filters feel heavy, it means you need to change them. This keeps your system working well.<\/p><\/li><li><p>Using two filters lets your system keep running. One filter can work while you change the other one. This means your system does not have to stop.<\/p><\/li><li><p>Doing good maintenance, like looking for leaks and checking gas flow, keeps your biogas system safe and working well.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >Biogas Purification Basics<\/h2>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-embed-handler wp-block-embed-embed-handler wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Purify your Biogas with Biogas Scrubbers: Why &amp; How \/\/ Full explaination \/\/ Biogas Digester\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/oYuDIjgNXvQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >Why Purify Biogas<\/h3>\n\n\n\n<p>You must <a target=\"_blank\" href=\"https:\/\/tankechemical.com\/ko\/post\/fiber-desiccant-guide-uses-advantages-safety-environmental\/\">clean biogas<\/a> before using it in engines or boilers. Purifying biogas helps you get more energy from it. It also keeps your machines safe from harm. Taking out harmful substances makes the gas good for different machines. If you do not clean the gas, your equipment can get damaged. Hydrogen sulfide can make metal parts rust. Dirty gas can make engines work badly. You may also have trouble with how well your machines run.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Tip: Cleaning biogas helps you follow safety laws. Many places have <a target=\"_blank\" rel=\"nofollow noopener\" href=\"https:\/\/globalbiogasframework.org\/pillar-5\/\">rules for methane, impurities, and water<\/a> in biogas. You need to take out water and bad substances like hydrogen sulfide and volatile organic compounds to follow these rules.<\/p><\/blockquote>\n\n\n\n<p>Here are the main reasons to clean biogas:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_blank\" rel=\"nofollow noopener\" href=\"https:\/\/www.performanceservices.com\/resources\/biogas-a-sustainable-energy-solution-for-urban-communities\/\">Make biogas give more heat<\/a><\/p><\/li><li><p>Keep engines, boilers, and vehicles safe<\/p><\/li><li><p>Make sure the gas works for many uses<\/p><\/li>\n<\/ul>\n\n\n\n<p>If you skip cleaning biogas, you might get:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_blank\" rel=\"nofollow noopener\" href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S097308262500184X\">Rust on equipment from hydrogen sulfide<\/a><\/p><\/li><li><p>Bad gas quality and weak performance<\/p><\/li><li><p>Trouble running engines smoothly<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >Common Contaminants<\/h3>\n\n\n\n<p><a target=\"_blank\" rel=\"nofollow noopener\" href=\"https:\/\/www.fluencecorp.com\/removing-sulfur-contaminants-from-biogas\/\">Biogas is mostly methane and carbon dioxide<\/a>. It also has small amounts of hydrogen sulfide, ammonia, siloxanes, and volatile organic compounds. Hydrogen sulfide is very dangerous. It is poisonous and can hurt your machines. The <a target=\"_blank\" rel=\"nofollow noopener\" href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC7608650\/\">California Air Resources Board says these bad things<\/a> can make toxic stuff when you burn biogas. This can hurt your machines and pollute the air.<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>Contaminant<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Risk to Equipment<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Why Remove?<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Hydrogen Sulfide<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Corrosion, toxicity<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Protect engines, safety<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Ammonia<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Fouling, odor<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Improve air quality<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Siloxanes<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Hard deposits<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Prevent engine damage<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>VOC<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Pollution, odor<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Meet emission standards<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Water\/Moisture<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Rust, poor combustion<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ensure efficiency<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p>You need to clean biogas to get rid of these bad things. Safety groups check if you follow the rules for safe use. Upgrading biogas is now common to meet the rules for biomethane.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >Biogas Activated Carbon Types<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/tankechemical.com\/wp-content\/uploads\/2025\/10\/86aac7959ec042cab619e0a42a1244d9.webp\" alt=\"Biogas Activated Carbon Types\" class=\"wp-image-10426\" srcset=\"https:\/\/tankechemical.com\/wp-content\/uploads\/2025\/10\/86aac7959ec042cab619e0a42a1244d9.webp 1200w, https:\/\/tankechemical.com\/wp-content\/uploads\/2025\/10\/86aac7959ec042cab619e0a42a1244d9-300x169.webp 300w, https:\/\/tankechemical.com\/wp-content\/uploads\/2025\/10\/86aac7959ec042cab619e0a42a1244d9-1024x576.webp 1024w, https:\/\/tankechemical.com\/wp-content\/uploads\/2025\/10\/86aac7959ec042cab619e0a42a1244d9-768x432.webp 768w, https:\/\/tankechemical.com\/wp-content\/uploads\/2025\/10\/86aac7959ec042cab619e0a42a1244d9-18x10.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">\uc774\ubbf8\uc9c0 \ucd9c\ucc98: <a target=\"_blank\" rel=\"nofollow noopener\" href=\"https:\/\/pexels.com\">\ud399\uc140<\/a><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >Selection Criteria<\/h3>\n\n\n\n<p>When you pick biogas activated carbon, you must think about a few things. The kind of activated carbon you choose changes how well it cleans biogas. Each type has its own adsorption ability, surface area, and density. You need to match the right carbon to the bad stuff in your biogas.<\/p>\n\n\n\n<p><a target=\"_blank\" href=\"https:\/\/tankechemical.com\/ko\/activated-carbon-application\/gas-air-treatment\/biogas-activated-carbon\/\">Here is a table that shows some common types of biogas activated carbon<\/a> and what they are like:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\ud65c\uc131\ud0c4\uc758 \uc885\ub958<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc694\uc624\ub4dc \uac12(mg\/g)<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\ud45c\uba74\uc801(m\u00b2\/g)<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Apparent Density (kg\/m\u00b3)<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\uacac\uacfc\ub958 \uaecd\uc9c8 \ud65c\uc131\ud0c4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>700-1200<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>700-1200<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>320-550<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\uc11d\ud0c4 \uae30\ubc18 \ud65c\uc131\ud0c4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>700-1200<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>700-1200<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>300-650<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\ubaa9\uc7ac \uae30\ubc18 \ud65c\uc131\ud0c4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>700-1200<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>700-1200<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>320-550<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\uc785\uc0c1 \ud65c\uc131\ud0c4(GAC)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>600-1200<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>N\/A<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>400-700<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\ud3a0\ub9bf\ud615 \ud65c\uc131\ud0c4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>500-1300<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>N\/A<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>450-600<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\ubd84\ub9d0 \ud65c\uc131\ud0c4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>500-1300<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>N\/A<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>450-550<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\ud5c8\ub2c8\ucf64 \ud65c\uc131\ud0c4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>400-800<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>N\/A<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>350-450<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\ucf54\ucf54\ub11b \uaecd\uc9c8 \ud65c\uc131\ud0c4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>700-1200<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>700-1200<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>320-550<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p>You should also look at these things:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_blank\" rel=\"nofollow noopener\" href=\"https:\/\/dataintelo.com\/report\/activated-carbon-for-biogas-purification-market\/amp\">The kind of biogas activated carbon (powdered, granular, pelletized)<\/a><\/p><\/li><li><p>The exact contaminants you want to get rid of<\/p><\/li><li><p>The temperature, pressure, and humidity where you use it<\/p><\/li><li><p>How long you want the carbon to last before changing it<\/p><\/li><li><p>The strength for big systems<\/p><\/li>\n<\/ul>\n\n\n\n<p><a target=\"_blank\" rel=\"nofollow noopener\" href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0043135420303055\">The pore size in biogas activated carbon matters a lot.<\/a> Pores help catch bad stuff by adsorption. Bigger surface areas and the right pore sizes help the carbon work better. For example, hydrogen sulfide is removed best with carbons that have lots of mesopores and micropores. This setup helps you trap more contaminants and makes the filter last longer.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Tip: Granular activated carbon is tough and works well for cleaning biogas all the time. Powdered carbon works fast but you might need to change it more often.<\/p><\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\" >Application in Biogas Systems<\/h3>\n\n\n\n<p>You use biogas activated carbon in different shapes to clean your biogas. Granular activated carbon is used a lot to remove volatile organic compounds. Pelletized carbon gives good contact time and does not slow down the gas much. Some carbons are made to catch hydrogen sulfide and ammonia.<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\ud65c\uc131\ud0c4\uc758 \uc885\ub958<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc124\uba85<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\uc785\uc0c1 \ud65c\uc131\ud0c4(GAC)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Takes out VOCs well for cleaning biogas all the time.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Extruded Pellets<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Gives good pressure and contact time for gas cleaning.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Impregnated Grades<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Made to catch things like H\u2082S and NH\u2083.<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p>You put biogas activated carbon filters in the gas line after the raw biogas leaves the digester. The gas goes through the carbon bed. Bad stuff sticks to the carbon by adsorption. Biogas activated carbon can catch more contaminants than other things like silica or zeolites. You get better removal of hydrogen sulfide, carbon dioxide, and other impurities.<\/p>\n\n\n\n<p><a target=\"_blank\" rel=\"nofollow noopener\" href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S1364032124008785\">Biogas activated carbon does not cost much.<\/a> It helps you save money, especially if your plant is in a place that does not have a lot of money. You can use other cheap materials, but biogas activated carbon gives you the best mix of cleaning power, price, and flexibility.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Note: How well adsorption works depends on the kind of carbon, the pore size, and how you use it. Always check what your system needs before you pick your biogas activated carbon.<\/p><\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" >Biogas Desulfurization and Contaminant Removal<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >Hydrogen Sulfide (H2S) Removal<\/h3>\n\n\n\n<p>You must remove hydrogen sulfide from biogas. This is because hydrogen sulfide is very harmful. It can make metal parts rust and break engines. It can also cause safety problems. If you do not take out hydrogen sulfide, burning the gas can make toxic smoke. Removing it keeps your machines safe and helps you follow air rules.<\/p>\n\n\n\n<p><a target=\"_blank\" href=\"https:\/\/tankechemical.com\/ko\/activated-carbon-application\/chemical-use-activated-carbon\/desulfurization-activated-carbon\/\">Activated carbon is used for h2s removal<\/a>. This works for both big and small biogas systems. The h2s separation happens when gas moves through activated carbon. The carbon grabs the H2S and holds it on its surface. Some activated carbon can even turn H2S into safe sulfur.<\/p>\n\n\n\n<p>Here is how activated carbon takes out H2S from biogas:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>Mechanism Type<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc124\uba85<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\ubb3c\ub9ac\uc801 \ud761\ucc29<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>The carbon holds H2S on its surface with weak forces.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Chemical Reactions<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>The carbon changes H2S into sulfur by oxidation.<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p>You can make h2s adsorption better by using special chemicals. <a target=\"_blank\" rel=\"nofollow noopener\" href=\"https:\/\/www.sciencepublishinggroup.com\/article\/10.11648\/j.sjc.20221005.15\">Potassium iodide helps turn H2S<\/a> into solid sulfur. For example, KI-impregnated activated carbon uses this reaction:<br\/><code>H2S + \u00bd O2 \u2192 S + H2O<\/code><br\/>This reaction helps you get better results.<\/p>\n\n\n\n<p>You can get high removal rates with the right steps. For example:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Woodchips biochar can take out <a target=\"_blank\" rel=\"nofollow noopener\" href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC8291793\/\">more than 98%<\/a> of H2S.<\/p><\/li><li><p>Activated carbon made at 450\u00b0C and activated at 750\u00b0C can hold about 98 mg of H2S per gram.<\/p><\/li>\n<\/ul>\n\n\n\n<p>H2S separation works best if you control moisture and pH. High moisture and a pH near 8 help the process. Using activated carbon with <a target=\"_blank\" rel=\"nofollow noopener\" href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC9695773\/\">metal oxides, like potassium or iron<\/a>, can make h2s adsorption even better.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Tip: Always check your activated carbon. When it fills up with sulfur, you need to change or clean it. This keeps your biogas desulfurization working well.<\/p><\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\" >VOCs, Siloxanes, and Other Impurities<\/h3>\n\n\n\n<p>You also need to remove other bad things from biogas. These are volatile organic compounds, siloxanes, ammonia, and sometimes carbon dioxide. Each one can hurt your machines or the environment.<\/p>\n\n\n\n<p><a target=\"_blank\" href=\"https:\/\/tankechemical.com\/ko\/activated-carbon-application\/gas-air-treatment\/biogas-activated-carbon\/\">\ud65c\uc131\ud0c4\uc740 \ub2e4\uc74c\uc744 \uc81c\uac70\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774\ub429\ub2c8\ub2e4.<\/a> these impurities. It works by trapping the molecules on its surface. For siloxanes, activated carbon can catch them before they reach your engines. Studies show that <a target=\"_blank\" rel=\"nofollow noopener\" href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0304389414009832\">commercial activated carbon can remove siloxanes<\/a> like D4 very well. You can even clean the carbon and use it again. Using iron with advanced oxidation helps you recover the carbon.<\/p>\n\n\n\n<p>Ammonia and VOCs also stick to the activated carbon during h2s separation. Taking out these impurities keeps your gas clean and protects your machines. If your biogas has many impurities, you may need special activated carbon or add metal oxides to help.<\/p>\n\n\n\n<p>Here is a table that shows what affects the adsorption of H2S and other impurities:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\uc8fc\uc694 \uacb0\uacfc<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc124\uba85<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Influence of Metal Oxides<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Metal oxides like potassium, iron, and copper help remove H2S better.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Chemisorption vs. Physisorption<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Chemisorption works better for sulfur than physisorption.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Surface Area and Pore Volume<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>More surface area and bigger pores mean better adsorption.<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p>If you have many impurities, your activated carbon may not work as well. Lots of H2S, VOCs, and siloxanes together mean you should check your carbon more often. You may need to replace it faster.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Note: Good biogas desulfurization and impurity removal help you lower emissions, protect engines, and keep your system running longer.<\/p><\/blockquote>\n\n\n\n<p>By using the right steps and keeping your filters clean, you make sure your biogas is safe and ready to use.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >Installing and Operating Biogas Activated Carbon Systems<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/tankechemical.com\/wp-content\/uploads\/2025\/10\/28ac33731f3949fca0a5f5bc03ad5f39.webp\" alt=\"Installing and Operating Biogas Activated Carbon Systems\" class=\"wp-image-10427\" srcset=\"https:\/\/tankechemical.com\/wp-content\/uploads\/2025\/10\/28ac33731f3949fca0a5f5bc03ad5f39.webp 1200w, https:\/\/tankechemical.com\/wp-content\/uploads\/2025\/10\/28ac33731f3949fca0a5f5bc03ad5f39-300x169.webp 300w, https:\/\/tankechemical.com\/wp-content\/uploads\/2025\/10\/28ac33731f3949fca0a5f5bc03ad5f39-1024x576.webp 1024w, https:\/\/tankechemical.com\/wp-content\/uploads\/2025\/10\/28ac33731f3949fca0a5f5bc03ad5f39-768x432.webp 768w, https:\/\/tankechemical.com\/wp-content\/uploads\/2025\/10\/28ac33731f3949fca0a5f5bc03ad5f39-18x10.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">\uc774\ubbf8\uc9c0 \ucd9c\ucc98: <a target=\"_blank\" rel=\"nofollow noopener\" href=\"https:\/\/pexels.com\">\ud399\uc140<\/a><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >Installation Steps<\/h3>\n\n\n\n<p>You must follow easy steps to put in activated carbon filters for biogas. Good setup helps your purification system work well. Here is a simple guide for most biogas projects:<\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p><a target=\"_blank\" href=\"https:\/\/tankechemical.com\/de\/post\/choose-right-granular-activated-carbon-for-filtration-needs\/\"><strong>Choose the Right Activated Carbon<\/strong><\/a><br\/>\ub2e4\uc74c\uc774 \uc788\uc2b5\ub2c8\ub2e4. <a target=\"_blank\" rel=\"nofollow noopener\" href=\"https:\/\/anaerobic-digestion.com\/purify-biogas-activated-carbon-filtration\/\">four main types for biogas use<\/a>:<\/p><ul><li><p>Potassium iodide impregnated activated carbon<\/p><\/li><li><p>Alkaline impregnated activated carbon<\/p><\/li><li><p>Alkaline earth carbonate impregnated carbon<\/p><\/li><li><p>Catalytic activated carbon<br\/>Each type works best for certain bad substances. For example, potassium iodide grades help take out hydrogen sulfide.<\/p><\/li><\/ul><\/li><li><p><strong>Size the Filter Properly<\/strong><br\/>Make sure your filter is big enough. If your filter is too small, it will fill up fast. The filter should fit your system\u2019s needs.<\/p><\/li><li><p><strong>Set Up Filter Arrangement<\/strong><br\/>Use two filters in your biogas system. One filter works while the other waits. This way, you can switch filters without stopping the system. Your biogas keeps running.<\/p><\/li><li><p><strong>Install the Filter in the Gas Line<\/strong><br\/>Put the activated carbon filter after the digester. Place it before the gas goes to engines or other units. Make sure the gas moves evenly through the carbon bed.<\/p><\/li><li><p><strong>Check for Leaks and Secure Connections<\/strong><br\/>Look at all pipes and joints. Tighten them to stop leaks. Leaks can make your purification system work worse.<\/p><\/li>\n<\/ol>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Tip: Always follow safety rules for biogas. Wear gloves and masks when you touch activated carbon. Keep the area open to fresh air.<\/p><\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\" >Operation and Monitoring<\/h3>\n\n\n\n<p>After you install the filter, you must run and watch your system. Good operation and checking help your biogas system work its best.<\/p>\n\n\n\n<p><strong>Key Operational Parameters<\/strong><\/p>\n\n\n\n<p>You need to control a few things to keep your system working. The table below shows the most important things for biogas:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\ub9e4\uac1c\ubcc0\uc218<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc131\uacfc\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\uc720\ub7c9<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Controls how well the carbon adsorbs contaminants<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\uc628\ub3c4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Changes how much the carbon can remove from the gas<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\uc555\ub825<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Helps the carbon catch more impurities<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p>Keep the flow rate steady. If gas moves too fast, the carbon cannot catch all the bad stuff. Watch the temperature. High heat can make the carbon work less well. Keep the pressure the same for the best results.<\/p>\n\n\n\n<p><strong>Monitoring Techniques<\/strong><\/p>\n\n\n\n<p>You need to know when the activated carbon is full. One way is to measure electrical resistance in the carbon bed. This test shows where the adsorption front is. When resistance changes, the carbon is getting full. You can guess when to change the filter.<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>Monitoring Technique<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc124\uba85<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Electrical Resistance Measurement<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"nofollow noopener\" href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0009250904001526\">Measures resistance at different spots<\/a> in the carbon bed to track saturation<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p>You can also use gas sensors to check for hydrogen sulfide after the filter. If you see more of these, the carbon is full.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Note: Always write down when you change filters and check gas quality. This helps you plan and stop problems in your biogas system.<\/p><\/blockquote>\n\n\n\n<p><strong>Tips for Optimal Performance and Safety<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Change the activated carbon before it gets full. This keeps your system working well.<\/p><\/li><li><p>Use two filters so your system can run all the time.<\/p><\/li><li><p>Keep the area clean and dry to stop accidents.<\/p><\/li><li><p>Teach your team safe ways to handle and what to do in emergencies.<\/p><\/li>\n<\/ul>\n\n\n\n<p>If you follow these steps, your biogas system will run safely and well. You protect your machines and get the most from your biogas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >Maintenance in Biogas Applications<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >Filter Replacement<\/h3>\n\n\n\n<p>You have to change <a target=\"_blank\" href=\"https:\/\/tankechemical.com\/ko\/activated-carbon-application\/gas-air-treatment\/biogas-activated-carbon\/\">activated carbon filters<\/a> to keep your biogas system working well. Over time, these filters fill up with bad stuff and stop working right. If you wait too long, your system might start to smell or even break.<\/p>\n\n\n\n<p>A good way to know when to change your filter is to watch for hydrogen sulfide breakthrough. This means the filter cannot take out harmful gases anymore. You should change the filter as soon as you see this.<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>Condition<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Action<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"nofollow noopener\" href=\"https:\/\/www.xingsencarbon.com\/application\/biogas-purification\/\">H\u2082S breakthrough detected<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Replace or reactivate filter<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p>There are other signs that show you need a new filter:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub2f9\uc2e0 <a target=\"_blank\" rel=\"nofollow noopener\" href=\"https:\/\/chroniclesofahumpydweller.wordpress.com\/2020\/10\/11\/home-biogas-system-changing-the-filters\/\">smell something like sewage<\/a> from your biogas system.<\/p><\/li><li><p>The filter feels heavier, which means it has soaked up water and bad stuff.<\/p><\/li><li><p>Bad smells that went away before start to come back.<\/p><\/li><li><p>The filter has been used for its full time.<\/p><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\uc11c\uba85<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc124\uba85<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"nofollow noopener\" href=\"https:\/\/www.xingsencarbon.com\/eco-friendly-living-how-activated-carbon-can-transform-your-home\/\">Odor reappearance<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>If bad smells come back, the filter is full.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Increased weight<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>A heavy filter means it has taken in water and pollutants.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Time expiration<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Change filters after the time your supplier says.<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Tip: Always follow the filter change schedule from your supplier. This helps you stop problems before they start.<\/p><\/blockquote>\n\n\n\n<p>When you throw away old filters, think about the earth. Used activated carbon can cause trouble if you put it in a landfill. It can make <a target=\"_blank\" rel=\"nofollow noopener\" href=\"https:\/\/bioresourcesbioprocessing.springeropen.com\/articles\/10.1186\/s40643-025-00947-9\">greenhouse gases like methane and carbon dioxide<\/a>. Throwing it away the wrong way can also pollute the air and hurt people, especially where landfill rules are not strong.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Putting used activated carbon in landfills can make greenhouse gases.<\/p><\/li><li><p>Bad ways of throwing it away can pollute the air and hurt people.<\/p><\/li><li><p>Places with weak landfill rules have bigger problems.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >Troubleshooting<\/h3>\n\n\n\n<p>Sometimes your biogas cleaning system does not work right. If you smell something bad, check your filters first. A strong smell often means the filter is full. If the filter feels heavy or the gas is not as good, change it right away.<\/p>\n\n\n\n<p>If you still have trouble after changing the filter, look for leaks in the pipes or loose parts. Make sure the gas moves evenly through the filter bed. Write down when you change filters and check your system. This helps you find problems and fix them faster.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Note: Doing regular checks keeps your biogas system safe and working well. You protect your machines and get the best results from your cleaning process.<\/p><\/blockquote>\n\n\n\n<p>You can make your biogas better by using activated carbon. This helps take out bad stuff and keeps your machines safe. <a target=\"_blank\" rel=\"nofollow noopener\" href=\"https:\/\/ecoverdetechnologies.com\/biogas\/\">The table below shows how activated carbon helps your system<\/a>:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\ud61c\ud0dd<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc124\uba85<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Prolongs Equipment Life<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Stops rust and damage from bad things in the gas.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Improves Biogas Quality<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Gives more energy for better use in biogas upgrading processes.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Reduces Maintenance Cost<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Needs less cleaning and saves you money.<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p><a target=\"_blank\" rel=\"nofollow noopener\" href=\"https:\/\/www.yurcentrto.com\/blog\/technical-specifications-of-best-biogas-purification-solutions\/\">Doing regular checks and taking care of your system helps it work well<\/a>. For the best results, try these tips:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Use pre-filters to catch dirt before the main filter.<\/p><\/li><li><p>Control how fast the gas moves and how long it touches the carbon.<\/p><\/li><li><p>Test the gas often and change filters when needed.<\/p><\/li>\n<\/ul>\n\n\n\n<p>Cleaner biogas helps you work safely and keeps your machines working longer.<\/p>","protected":false},"excerpt":{"rendered":"<p>\ubc14\uc774\uc624\uac00\uc2a4 \ud65c\uc131\ud0c4\uc740 \ud669\ud654\uc218\uc18c, VOC, \uc2e4\ub85d\uc0b0\uc744 \uc81c\uac70\ud558\uc5ec \uc7a5\ube44\ub97c \ubcf4\ud638\ud558\uace0 \ubc14\uc774\uc624\uac00\uc2a4 \ud488\uc9c8\uc744 \uac1c\uc120\ud558\uc5ec \uc548\uc804\ud558\uac8c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p>","protected":false},"author":9,"featured_media":10424,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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