{"id":10664,"date":"2025-11-07T14:44:20","date_gmt":"2025-11-07T06:44:20","guid":{"rendered":"https:\/\/activatedcarbon.net\/?p=10664"},"modified":"2025-11-07T15:29:13","modified_gmt":"2025-11-07T07:29:13","slug":"activated-carbon-for-mercury-removal-from-naphtha","status":"publish","type":"post","link":"https:\/\/activatedcarbon.net\/fr\/activated-carbon-for-mercury-removal-from-naphtha\/","title":{"rendered":"Charbon actif pour l'\u00e9limination du mercure dans le naphta"},"content":{"rendered":"<div class=\"wp-block-uagb-image uagb-block-f44bc328 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" srcset=\"https:\/\/activatedcarbon.net\/wp-content\/uploads\/2025\/11\/Activated-Carbon-for-Mercury-Removal-from-Naphtha.png ,https:\/\/activatedcarbon.net\/wp-content\/uploads\/2025\/11\/Activated-Carbon-for-Mercury-Removal-from-Naphtha.png 780w, https:\/\/activatedcarbon.net\/wp-content\/uploads\/2025\/11\/Activated-Carbon-for-Mercury-Removal-from-Naphtha.png 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/activatedcarbon.net\/wp-content\/uploads\/2025\/11\/Activated-Carbon-for-Mercury-Removal-from-Naphtha.png\" alt=\"\" class=\"uag-image-10718\" width=\"840\" height=\"450\" title=\"Charbon actif pour l&#039;\u00e9limination du mercure dans le naphta\" loading=\"lazy\" role=\"img\"><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Introduction<\/h2>\n\n\n\n<p>La contamination par le mercure des charges d'alimentation en naphta constitue l'un des d\u00e9fis les plus importants du traitement p\u00e9trochimique moderne. M\u00eame des quantit\u00e9s infimes de mercure peuvent causer des dommages catastrophiques aux \u00e9quipements en aval, en particulier aux \u00e9changeurs de chaleur en aluminium dans les installations de gaz naturel liqu\u00e9fi\u00e9 (GNL) et \u00e0 l'empoisonnement des catalyseurs dans les unit\u00e9s de reformage.<\/p>\n\n\n\n<p>La technologie du charbon actif, en particulier le charbon actif impr\u00e9gn\u00e9 de soufre, s'est impos\u00e9e comme la norme industrielle pour l'\u00e9limination du mercure des flux de naphta. Cet adsorbant sp\u00e9cialis\u00e9 associe la grande surface du charbon actif \u00e0 la r\u00e9activit\u00e9 chimique des compos\u00e9s soufr\u00e9s, cr\u00e9ant ainsi un puissant syst\u00e8me de capture du mercure qui permet d'obtenir des rendements d'\u00e9limination sup\u00e9rieurs \u00e0 99,9%.<\/p>\n\n\n\t\t\t\t<div class=\"wp-block-uagb-table-of-contents uagb-toc__align-left uagb-toc__columns-1  uagb-block-56ecff11\"\n\t\t\t\t\tdata-scroll= \"1\"\n\t\t\t\t\tdata-offset= \"30\"\n\t\t\t\t\tstyle=\"\"\n\t\t\t\t>\n\t\t\t\t<div class=\"uagb-toc__wrap\">\n\t\t\t\t\t\t<div class=\"uagb-toc__title\">\n\t\t\t\t\t\t\tTable des mati\u00e8res\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"uagb-toc__list-wrap\">\n\t\t\t\t\t\t<ol class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#introduction\" class=\"uagb-toc-link__trigger\">Introduction<\/a><li class=\"uagb-toc__list\"><a href=\"#the-mercury-problem-in-naphtha-processing\" class=\"uagb-toc-link__trigger\">Le probl\u00e8me du mercure dans le traitement du naphta<\/a><li class=\"uagb-toc__list\"><a href=\"#sulfur-impregnated-activated-carbon\" class=\"uagb-toc-link__trigger\">Charbon actif impr\u00e9gn\u00e9 de soufre<\/a><ul class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#why-sulfur-impregnation\" class=\"uagb-toc-link__trigger\">Pourquoi l'impr\u00e9gnation au soufre ?<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#the-mercury-sulfur-affinity\" class=\"uagb-toc-link__trigger\">L'affinit\u00e9 mercure-soufre<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#sulfur-impregnated-carbon-parameters\" class=\"uagb-toc-link__trigger\">Param\u00e8tres du carbone impr\u00e9gn\u00e9 de soufre<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#the-manufacturing-process\" class=\"uagb-toc-link__trigger\">Le processus de fabrication<\/a><\/li><\/ul><\/li><li class=\"uagb-toc__list\"><a href=\"#conclusion\" class=\"uagb-toc-link__trigger\">Conclusion<\/a><\/ul><\/ol>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\n\n\n<h2 class=\"wp-block-heading\">Le probl\u00e8me du mercure dans le traitement du naphta<\/h2>\n\n\n\n<p>Sources de contamination par le mercure<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li> Pr\u00e9sence naturelle dans le p\u00e9trole brut (0,1-200 ppb)<\/li>\n\n\n\n<li>Eau de formation et eau produite<\/li>\n\n\n\n<li>Corrosion des \u00e9quipements contenant du mercure<\/li>\n\n\n\n<li>Condensat provenant du traitement du gaz<\/li>\n\n\n\n<li>Formations g\u00e9ologiques dans les r\u00e9servoirs de p\u00e9trole<\/li>\n<\/ul>\n\n\n\n<p>Elle entra\u00eene les risques suivants :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Amalgame d'aluminium dans les \u00e9changeurs de chaleur<\/li>\n\n\n\n<li>Empoisonnement du catalyseur chez les reformeurs<\/li>\n\n\n\n<li>Fissuration par corrosion sous contrainte<\/li>\n\n\n\n<li>Fragilisation de l'\u00e9quipement<\/li>\n\n\n\n<li>Contamination du produit<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Charbon actif impr\u00e9gn\u00e9 de soufre<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Pourquoi l'impr\u00e9gnation au soufre ?<\/h3>\n\n\n\n<p>Bien que le charbon actif standard puisse adsorber physiquement le mercure dans une certaine mesure, sa capacit\u00e9 est limit\u00e9e et ses performances sont impr\u00e9visibles. L'impr\u00e9gnation au soufre transforme le charbon actif en un moyen d'\u00e9limination du mercure hautement s\u00e9lectif et de grande capacit\u00e9 gr\u00e2ce \u00e0 des m\u00e9canismes de liaison chimique.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">L'affinit\u00e9 mercure-soufre<\/h3>\n\n\n\n<p>Le mercure a une affinit\u00e9 chimique extr\u00eamement \u00e9lev\u00e9e avec le soufre, formant des compos\u00e9s stables de sulfure de mercure (HgS). Cette affinit\u00e9 thermodynamique est \u00e0 la base de la technologie du carbone impr\u00e9gn\u00e9 de soufre. Le soufre agit comme un pi\u00e8ge chimique, convertissant le mercure \u00e9l\u00e9mentaire mobile en sulfure de mercure immobile et non volatil dans la matrice de carbone.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Param\u00e8tres du carbone impr\u00e9gn\u00e9 de soufre<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Param\u00e8tres<\/strong><strong><\/strong><\/td><td><strong>Gamme typique<\/strong><strong><\/strong><\/td><\/tr><tr><td>Teneur en soufre<\/td><td>5-20 wt%<\/td><\/tr><tr><td>Capacit\u00e9 en mercure<\/td><td>5-15 wt% Hg<\/td><\/tr><tr><td>Taille des particules<\/td><td>1,5-4 mm (8\u00d720 mesh) ou sur mesure<\/td><\/tr><tr><td>Densit\u00e9 en vrac<\/td><td>450-550 kg\/m\u00b3<\/td><\/tr><tr><td>Duret\u00e9<\/td><td>&gt;95%<\/td><\/tr><tr><td>Surface<\/td><td>800-1200 m\u00b2\/g<\/td><\/tr><tr><td colspan=\"2\">Note\uff1aLe charbon actif peut \u00eatre impr\u00e9gn\u00e9 avec diff\u00e9rents acides et diff\u00e9rents contenus d'impr\u00e9gnation en fonction des conditions sp\u00e9cifiques.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Le processus de fabrication<\/h3>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-cec29bdf wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" srcset=\"https:\/\/activatedcarbon.net\/wp-content\/uploads\/2025\/11\/pellet-activated-carbon-manufacturer.jpg ,https:\/\/activatedcarbon.net\/wp-content\/uploads\/2025\/11\/pellet-activated-carbon-manufacturer.jpg 780w, https:\/\/activatedcarbon.net\/wp-content\/uploads\/2025\/11\/pellet-activated-carbon-manufacturer.jpg 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/activatedcarbon.net\/wp-content\/uploads\/2025\/11\/pellet-activated-carbon-manufacturer.jpg\" alt=\"\" class=\"uag-image-10720\" width=\"716\" height=\"334\" title=\"Fabricant de charbon actif en granul\u00e9s\" loading=\"lazy\" role=\"img\"><\/figure><\/div>\n\n\n\n<p><strong>1. S\u00e9lection du carbone de base<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<p>On choisit un charbon actif de haute qualit\u00e9 avec une structure de pores optimis\u00e9e. Le charbon de coco est pr\u00e9f\u00e9r\u00e9 pour sa duret\u00e9 et sa distribution des micropores.<\/p>\n\n\n\n<p><strong>2. Impr\u00e9gnation au soufre<\/strong><\/p>\n\n\n\n<p>Le charbon actif est impr\u00e9gn\u00e9 de compos\u00e9s sulfur\u00e9s par diff\u00e9rentes m\u00e9thodes :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00a0<strong>Impr\u00e9gnation humide :<\/strong>\u00a0Trempage dans une solution contenant du soufre<\/li>\n\n\n\n<li><strong>D\u00e9p\u00f4t en phase vapeur :<\/strong>\u00a0Exposition aux vapeurs de soufre \u00e9l\u00e9mentaire \u00e0 temp\u00e9rature \u00e9lev\u00e9e<\/li>\n\n\n\n<li><strong>Traitement chimique :<\/strong>\u00a0R\u00e9action avec des produits chimiques contenant du soufre (polysulfures, thiosulfates)<\/li>\n<\/ul>\n\n\n\n<p><strong>3. Traitement thermique<\/strong><\/p>\n\n\n\n<p>Le traitement thermique \u00e0 200-400\u00b0C distribue le soufre dans toute la structure des pores et le convertit en formes actives. La temp\u00e9rature et la dur\u00e9e sont soigneusement contr\u00f4l\u00e9es pour optimiser la dispersion du soufre.<\/p>\n\n\n\n<p><strong>4. Contr\u00f4le de la qualit\u00e9 et essais<\/strong><\/p>\n\n\n\n<p>La charge en soufre, la capacit\u00e9 en mercure et les propri\u00e9t\u00e9s m\u00e9caniques sont v\u00e9rifi\u00e9es gr\u00e2ce \u00e0 des protocoles d'essai rigoureux.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p>Le charbon actif impr\u00e9gn\u00e9 de soufre repr\u00e9sente l'\u00e9talon-or pour l'\u00e9limination du mercure des charges d'alimentation en naphta dans l'industrie p\u00e9trochimique. Sa combinaison unique d'une surface \u00e9lev\u00e9e, d'une structure de pores optimis\u00e9e et de sites de soufre chimiquement r\u00e9actifs offre une efficacit\u00e9 et une capacit\u00e9 d'\u00e9limination du mercure in\u00e9gal\u00e9es.<\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction Mercury contamination in naphtha feedstocks poses one of the most critical challenges in modern petrochemical processing. Even trace amounts of mercury can cause catastrophic damage to downstream equipment, particularly aluminum heat exchangers in liquefied natural gas (LNG) facilities and catalyst poisoning in reforming units. Activated carbon technology, specifically sulfur-impregnated activated carbon, has emerged as [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":10718,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","footnotes":""},"categories":[45],"tags":[],"class_list":["post-10664","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-application"],"uagb_featured_image_src":{"full":["https:\/\/activatedcarbon.net\/wp-content\/uploads\/2025\/11\/Activated-Carbon-for-Mercury-Removal-from-Naphtha.png",840,450,false],"thumbnail":["https:\/\/activatedcarbon.net\/wp-content\/uploads\/2025\/11\/Activated-Carbon-for-Mercury-Removal-from-Naphtha-150x150.png",150,150,true],"medium":["https:\/\/activatedcarbon.net\/wp-content\/uploads\/2025\/11\/Activated-Carbon-for-Mercury-Removal-from-Naphtha-300x161.png",300,161,true],"medium_large":["https:\/\/activatedcarbon.net\/wp-content\/uploads\/2025\/11\/Activated-Carbon-for-Mercury-Removal-from-Naphtha-768x411.png",768,411,true],"large":["https:\/\/activatedcarbon.net\/wp-content\/uploads\/2025\/11\/Activated-Carbon-for-Mercury-Removal-from-Naphtha.png",800,429,false],"1536x1536":["https:\/\/activatedcarbon.net\/wp-content\/uploads\/2025\/11\/Activated-Carbon-for-Mercury-Removal-from-Naphtha.png",840,450,false],"2048x2048":["https:\/\/activatedcarbon.net\/wp-content\/uploads\/2025\/11\/Activated-Carbon-for-Mercury-Removal-from-Naphtha.png",840,450,false],"trp-custom-language-flag":["https:\/\/activatedcarbon.net\/wp-content\/uploads\/2025\/11\/Activated-Carbon-for-Mercury-Removal-from-Naphtha-18x10.png",18,10,true]},"uagb_author_info":{"display_name":"zhulincarbon","author_link":"https:\/\/activatedcarbon.net\/fr\/author\/zhulincarbon\/"},"uagb_comment_info":0,"uagb_excerpt":"Introduction Mercury contamination in naphtha feedstocks poses one of the most critical challenges in modern petrochemical processing. Even trace amounts of mercury can cause catastrophic damage to downstream equipment, particularly aluminum heat exchangers in liquefied natural gas (LNG) facilities and catalyst poisoning in reforming units. Activated carbon technology, specifically sulfur-impregnated activated carbon, has emerged as\u2026","_links":{"self":[{"href":"https:\/\/activatedcarbon.net\/fr\/wp-json\/wp\/v2\/posts\/10664","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/activatedcarbon.net\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/activatedcarbon.net\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/activatedcarbon.net\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/activatedcarbon.net\/fr\/wp-json\/wp\/v2\/comments?post=10664"}],"version-history":[{"count":18,"href":"https:\/\/activatedcarbon.net\/fr\/wp-json\/wp\/v2\/posts\/10664\/revisions"}],"predecessor-version":[{"id":10721,"href":"https:\/\/activatedcarbon.net\/fr\/wp-json\/wp\/v2\/posts\/10664\/revisions\/10721"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/activatedcarbon.net\/fr\/wp-json\/wp\/v2\/media\/10718"}],"wp:attachment":[{"href":"https:\/\/activatedcarbon.net\/fr\/wp-json\/wp\/v2\/media?parent=10664"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/activatedcarbon.net\/fr\/wp-json\/wp\/v2\/categories?post=10664"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/activatedcarbon.net\/fr\/wp-json\/wp\/v2\/tags?post=10664"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}