{"id":177,"date":"2025-01-28T15:40:00","date_gmt":"2025-01-28T15:40:00","guid":{"rendered":"https:\/\/www.prossergy.com\/\/?page_id=177"},"modified":"2025-02-04T09:05:14","modified_gmt":"2025-02-04T09:05:14","slug":"depoussierage-et-traitement-des-gaz-acides","status":"publish","type":"page","link":"https:\/\/www.prossergy.com\/fr\/nos-solutions\/depoussierage-et-traitement-des-gaz-acides\/","title":{"rendered":"D\u00e9poussi\u00e9rage et traitement des gaz acides"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"177\" class=\"elementor elementor-177\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a7c2333 e-flex e-con-boxed e-con e-parent\" data-id=\"a7c2333\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-c68ce6d e-con-full e-flex e-con e-child\" data-id=\"c68ce6d\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-968281e title-pseudo center elementor-widget elementor-widget-heading\" data-id=\"968281e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">D\u00e9poussi\u00e9rage et traitement des gaz acides<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5645840 mb-0 elementor-widget elementor-widget-text-editor\" data-id=\"5645840\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Pour le traitement des gaz acides SOx, HCl et HF, PROSSERGY a d\u00e9velopp\u00e9 des proc\u00e9d\u00e9s par<br \/>voie s\u00e8che \/ semi s\u00e8che, avec ou sans recirculation et r\u00e9activation, avec sorbant calcique ou <br \/>sodique.<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6c1f542 e-flex e-con-boxed e-con e-parent\" data-id=\"6c1f542\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-1d6feeb e-con-full e-flex e-con e-child\" data-id=\"1d6feeb\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-64cb422 elementor-widget elementor-widget-image\" data-id=\"64cb422\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/www.prossergy.com\/wp-content\/uploads\/2025\/01\/pollution-concept-factory-emisions.jpg\" class=\"attachment-large size-large wp-image-490\" alt=\"\" srcset=\"https:\/\/www.prossergy.com\/wp-content\/uploads\/2025\/01\/pollution-concept-factory-emisions.jpg 600w, https:\/\/www.prossergy.com\/wp-content\/uploads\/2025\/01\/pollution-concept-factory-emisions-300x200.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-87432bf e-con-full e-flex e-con e-child\" data-id=\"87432bf\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c649417 elementor-widget elementor-widget-text-editor\" data-id=\"c649417\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Chaque solution est \u00e9tudi\u00e9e sp\u00e9cifiquement par rapport aux besoins du client et aux caract\u00e9ristiques de l\u2019installation, en prenant en compte :<\/p><ul><li>Les types de gaz \u00e0 r\u00e9duire et leur concentration respective<\/li><li>Les rendements requis<\/li><li>Le co\u00fbt du sorbant<\/li><li>Le co\u00fbt d\u2019\u00e9limination des r\u00e9sidus<\/li><li>L\u2019int\u00e9gration dans le traitement de fum\u00e9es complet et dans le sch\u00e9ma thermique de l\u2019unit\u00e9 (temp\u00e9rature de r\u00e9action et consommation \u00e9nerg\u00e9tique)<\/li><\/ul><p>La s\u00e9lection du r\u00e9actif doit s\u2019effectuer en fonction des sp\u00e9cificit\u00e9s des polluants \u00e0 capter, afin d\u2019atteindre un optimum \u00e9conomique.<\/p><p>L\u2019adjonction d\u2019une injection de charbon actif ou de coke permet \u00e9galement de traiter les PCDD\/F (dioxines et furannes), le Hg (mercure) et les autres m\u00e9taux<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-69362aa e-flex e-con-boxed e-con e-parent\" data-id=\"69362aa\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-ff82e26 e-con-full e-flex e-con e-child\" data-id=\"ff82e26\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fe8560d elementor-widget elementor-widget-heading\" data-id=\"fe8560d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Le bicarbonate ou carbonate de sodium<br> NaHCO3 ou Na2CO3<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-743b64e elementor-widget elementor-widget-text-editor\" data-id=\"743b64e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Il doit \u00eatre broy\u00e9 afin d\u2019en diminuer la granulom\u00e9trie avant d\u2019\u00eatre inject\u00e9 dans les fum\u00e9es. Il peut \u00eatre \u00e9galement approvisionn\u00e9 d\u00e9j\u00e0 broy\u00e9 \u00e0 la granulom\u00e9trie optimale.<\/strong><\/p><p>Dans le cas de l\u2019utilisation de bicarbonate, la premi\u00e8re \u00e9tape consiste \u00e0 le convertir en carbonate :<br \/><strong>2NaHCO3 \u21d2 Na2CO3 + H2O + CO2<\/strong><\/p><p>Les r\u00e9actions de captations sont les suivantes :<br \/><strong>NaHCO3+ HCl \u21d2 NaCl + H2O + CO2<br \/><\/strong><strong>2 NaHCO3+ SO2 + \u00bdO2 \u21d2 Na2SO4 + 2 CO2 + H2O<br \/><\/strong><strong>NaHCO3 + HF \u21d2 NaF + H2O + CO2<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a2bbd6c e-con-full e-flex e-con e-child\" data-id=\"a2bbd6c\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ef60a3f elementor-widget elementor-widget-image\" data-id=\"ef60a3f\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"600\" height=\"336\" src=\"https:\/\/www.prossergy.com\/wp-content\/uploads\/2025\/01\/white-powder-moving-conveyor-belt-food-processing-plant.jpg\" class=\"attachment-large size-large wp-image-492\" alt=\"\" srcset=\"https:\/\/www.prossergy.com\/wp-content\/uploads\/2025\/01\/white-powder-moving-conveyor-belt-food-processing-plant.jpg 600w, https:\/\/www.prossergy.com\/wp-content\/uploads\/2025\/01\/white-powder-moving-conveyor-belt-food-processing-plant-300x168.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-fb0979a section-blue e-flex e-con-boxed e-con e-parent\" data-id=\"fb0979a\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-44a224e e-con-full e-flex e-con e-child\" data-id=\"44a224e\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-94c59e5 elementor-widget elementor-widget-heading\" data-id=\"94c59e5\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">La chaux Ca(OH)2<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2a3fe1f elementor-widget elementor-widget-text-editor\" data-id=\"2a3fe1f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Elle peut \u00eatre utilis\u00e9e sans broyage, mais avec plusieurs qualit\u00e9s (chaux classique ou \u00e0 haute surface sp\u00e9cifique) en fonction du proc\u00e9d\u00e9 utilis\u00e9 et des performances \u00e9conomiques et techniques attendues<\/strong><\/p><p>Les r\u00e9actions de captations sont les suivantes :<\/p><p><strong>Ca(OH)2 + 2HCl \u21d2 CaCl2 + 2H2O<\/strong><br \/><strong>Ca(OH)2 + SO2 + \u00bdO2\u21d2 CaSO4 + H2O<\/strong><br \/><strong>Ca(OH)2 + 2HF \u21d2 CaF2 + 2H2O<\/strong><\/p><p>Dans le cas de l\u2019utilisation de la chaux comme r\u00e9actif, une recirculation des r\u00e9sidus peut \u00eatre mise en place pour limiter sa consommation.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d632a84 e-flex e-con-boxed e-con e-parent\" data-id=\"d632a84\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-d5d7e76 e-con-full e-flex e-con e-child\" data-id=\"d5d7e76\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-df6e9c3 elementor-widget elementor-widget-text-editor\" data-id=\"df6e9c3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Il est \u00e9galement possible de r\u00e9aliser une double injection chaux \/ bicarbonate de sodium pour utiliser le meilleur des deux r\u00e9actifs et atteindre des rendements et co\u00fbts d\u2019exploitation optimaux.<\/strong><\/p><p><strong>La s\u00e9lectivit\u00e9 de captation des deux r\u00e9actifs est diff\u00e9rente.<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6189b44 elementor-widget elementor-widget-text-editor\" data-id=\"6189b44\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div style=\"display: flex;\">\n<div>\n\nLes temp\u00e9ratures optimales de r\u00e9action sont \u00e9galement diff\u00e9rentes. D\u2019un point de vue g\u00e9n\u00e9ral, pour les plages de temp\u00e9rature habituellement rencontr\u00e9es dans ces traitements, le bicarbonate de sodium offre un bon rendement de captation au-del\u00e0 de 150\u00b0C alors que l\u2019efficacit\u00e9 de la chaux hydrat\u00e9e augmente avec les basses temp\u00e9ratures.\n\nLes rendements et temp\u00e9ratures optimales de captation sont diff\u00e9rents en fonction des polluants \u00e0 abattre.\n\n<\/div>\n<img decoding=\"async\" class=\"alignnone size-medium wp-image-482\" src=\"https:\/\/www.prossergy.com\/\/wp-content\/uploads\/2025\/01\/Groupe-1354-300x251.jpg\" alt=\"\" width=\"200\" srcset=\"https:\/\/www.prossergy.com\/wp-content\/uploads\/2025\/01\/Groupe-1354-300x251.jpg 300w, https:\/\/www.prossergy.com\/wp-content\/uploads\/2025\/01\/Groupe-1354.jpg 556w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\n\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-36c3c93 elementor-widget elementor-widget-text-editor\" data-id=\"36c3c93\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Lors de la combinaison de plusieurs proc\u00e9d\u00e9s pour la captation de polluants multiples, la s\u00e9lection de la temp\u00e9rature est primordiale et doit permettre d\u2019atteindre un optimum technico-\u00e9conomique. Dans certains cas, l\u2019ajout de r\u00e9chauffeur et d\u2019\u00e9changeur permet d\u2019am\u00e9liorer le fonctionnement du traitement et d\u2019optimiser le rendement \u00e9nerg\u00e9tique de l\u2019installation<\/p><p>Comme pour tous ses autres proc\u00e9d\u00e9s, PROSSERGY accorde une attention particuli\u00e8re \u00e0 l\u2019ad\u00e9quation et la combinaison des diff\u00e9rents traitements entre eux (DeNOx, d\u00e9poussi\u00e9rage, gaz acide, m\u00e9taux \u2026 etc) et \u00e0 leur int\u00e9gration \u00e9nerg\u00e9tique.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c121511 e-con-full e-flex e-con e-child\" data-id=\"c121511\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3fcd6e6 elementor-widget elementor-widget-image\" data-id=\"3fcd6e6\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"600\" height=\"414\" src=\"https:\/\/www.prossergy.com\/wp-content\/uploads\/2025\/01\/shutterstock_736282708_02.jpg\" class=\"attachment-large size-large wp-image-494\" alt=\"\" srcset=\"https:\/\/www.prossergy.com\/wp-content\/uploads\/2025\/01\/shutterstock_736282708_02.jpg 600w, https:\/\/www.prossergy.com\/wp-content\/uploads\/2025\/01\/shutterstock_736282708_02-300x207.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f51d354 e-flex e-con-boxed e-con e-parent\" data-id=\"f51d354\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e1d822a elementor-widget elementor-widget-image\" data-id=\"e1d822a\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"376\" src=\"https:\/\/www.prossergy.com\/wp-content\/uploads\/2025\/02\/Schema-Process-complet-1024x601.jpg\" class=\"attachment-large size-large wp-image-945\" alt=\"\" srcset=\"https:\/\/www.prossergy.com\/wp-content\/uploads\/2025\/02\/Schema-Process-complet-1024x601.jpg 1024w, https:\/\/www.prossergy.com\/wp-content\/uploads\/2025\/02\/Schema-Process-complet-300x176.jpg 300w, https:\/\/www.prossergy.com\/wp-content\/uploads\/2025\/02\/Schema-Process-complet-768x450.jpg 768w, https:\/\/www.prossergy.com\/wp-content\/uploads\/2025\/02\/Schema-Process-complet-1536x901.jpg 1536w, https:\/\/www.prossergy.com\/wp-content\/uploads\/2025\/02\/Schema-Process-complet.jpg 1920w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>D\u00e9poussi\u00e9rage et traitement des gaz acides Pour le traitement des gaz acides SOx, HCl et HF, PROSSERGY a d\u00e9velopp\u00e9 des proc\u00e9d\u00e9s parvoie s\u00e8che \/ semi s\u00e8che, avec ou sans recirculation et r\u00e9activation, avec sorbant calcique ou sodique. Chaque solution est \u00e9tudi\u00e9e sp\u00e9cifiquement par rapport aux besoins du client et aux caract\u00e9ristiques de l\u2019installation, en prenant [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":13,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-177","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>D\u00e9poussi\u00e9rage et traitement des gaz acides - Prossergy<\/title>\n<meta name=\"description\" content=\"Pour le traitement des gaz acides SOx, HCl et HF, PROSSERGY a d\u00e9velopp\u00e9 des proc\u00e9d\u00e9s parvoie s\u00e8che \/ semi s\u00e8che, avec ou sans recirculation et r\u00e9activation, avec sorbant calcique ousodique.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.prossergy.com\/fr\/nos-solutions\/depoussierage-et-traitement-des-gaz-acides\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"D\u00e9poussi\u00e9rage et traitement des gaz acides - 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