{"id":5361,"date":"2023-12-06T13:00:53","date_gmt":"2023-12-06T13:00:53","guid":{"rendered":"https:\/\/www.chemviron.eu\/pfas\/reactivation-pfas\/"},"modified":"2026-02-10T14:55:22","modified_gmt":"2026-02-10T14:55:22","slug":"elimination-des-pfas-par-reactivation","status":"publish","type":"page","link":"https:\/\/www.chemviron.eu\/fr\/solutions-de-purification\/solution-pour-eliminer-pfas\/elimination-des-pfas-par-reactivation\/","title":{"rendered":"R\u00e9activation-PFAS"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"5361\" class=\"elementor elementor-5361 elementor-663\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6ab727a1 e-flex e-con-boxed e-con e-parent\" data-id=\"6ab727a1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-7a6dfb31 e-con-full e-flex e-con e-child\" data-id=\"7a6dfb31\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2b993188 elementor-widget__width-initial elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"2b993188\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;}\" 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\">\u00c9limination des PFAS par r\u00e9activation du charbon satur\u00e9<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7097246c elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"7097246c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:400}\" 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\">L'\u00e9limination des PFAS par r\u00e9activation thermique compl\u00e8te l\u2019utilisation du charbon actif, une technologie \u00e9prouv\u00e9e pour adsorber ces mol\u00e9cules de l\u2019eau potable ou des eaux us\u00e9es sans g\u00e9n\u00e9rer de produits d\u00e9riv\u00e9s potentiellement toxiques.<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-dce-background-image-url=\"https:\/\/www.chemviron.eu\/wp-content\/uploads\/2026\/02\/PFAS-water-high2-1.jpeg\" class=\"elementor-element elementor-element-37a310e8 e-con-full e-flex e-con e-child\" data-id=\"37a310e8\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-dce-background-overlay-image-url=\"https:\/\/www.chemviron.eu\/wp-content\/uploads\/2023\/12\/kuraray_circle_arrangement_2_rgb_cyan_50pct.svg\" class=\"elementor-element elementor-element-4fe6eef4 e-flex e-con-boxed e-con e-parent\" data-id=\"4fe6eef4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-12fdda3 elementor-widget elementor-widget-text-editor\" data-id=\"12fdda3\" data-element_type=\"widget\" data-e-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><p>L&#8217;\u00e9limination des PFAS par r\u00e9activation thermique est un processus \u00e0 haute temp\u00e9rature qui permet de min\u00e9raliser les mol\u00e9cules adsorb\u00e9es sur le charbon actif, r\u00e9duisant ainsi ces contaminants persistants dans le cycle de l\u2019eau. Au cours de ce processus, le charbon actif satur\u00e9 peut \u00eatre r\u00e9cup\u00e9r\u00e9 et donc r\u00e9utilis\u00e9. Chemviron r\u00e9active depuis plus de 15 ans des charbons satur\u00e9s contenant des PFOS, des PFOA et d&#8217;autres PFAS.<\/p><\/div><div><p>Chemviron traite le charbon satur\u00e9 dans des fours de r\u00e9activation thermique d\u00e9di\u00e9s, \u00e0 haute temp\u00e9rature, afin de retrouver les niveaux d&#8217;activit\u00e9 d&#8217;adsorption requis pour l&#8217;application et de min\u00e9raliser les esp\u00e8ces PFAS organiques adsorb\u00e9es. Ces fours de r\u00e9activation thermique sont des unit\u00e9s sp\u00e9cialement con\u00e7ues \u00e0 cet effet, qui r\u00e9pondent aux exigences environnementales locales.<\/p><\/div><div><p>Il existe une diff\u00e9rence significative entre le processus de r\u00e9activation du charbon et celui de la r\u00e9g\u00e9n\u00e9ration du charbon, les deux termes \u00e9tant parfois utilis\u00e9s de mani\u00e8re interchangeable.<\/p><\/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-3666d702 elementor-widget elementor-widget-heading\" data-id=\"3666d702\" data-element_type=\"widget\" data-e-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\">R\u00e9activation du charbon satur\u00e9<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3410a979 elementor-widget elementor-widget-text-editor\" data-id=\"3410a979\" data-element_type=\"widget\" data-e-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><p>La r\u00e9activation du charbon consiste \u00e0 r\u00e9activer le charbon satur\u00e9 dans un four \u00e0 soles multiples ou un four rotatif en volatilisant et en d\u00e9truisant les contaminants adsorb\u00e9s et en redonnant au charbon actif une qualit\u00e9 r\u00e9utilisable. Tous les charbons actifs satur\u00e9s sont soumis \u00e0 un contr\u00f4le de qualit\u00e9 afin d&#8217;\u00e9tablir les conditions de r\u00e9activation appropri\u00e9es pour ces types de charbons actifs satur\u00e9s.<\/p><\/div><div><p>La temp\u00e9rature de r\u00e9activation et les exigences en mati\u00e8re de d\u00e9bit d&#8217;alimentation peuvent varier en fonction des caract\u00e9ristiques de charge adsorb\u00e9e du charbon satur\u00e9 trait\u00e9. Les temp\u00e9ratures des fours de r\u00e9activation industriels se situent g\u00e9n\u00e9ralement autour de 900-950\u00b0C, ce qui est similaire aux conditions d&#8217;incin\u00e9ration mais dans un environnement pauvre en oxyg\u00e8ne.<\/p><\/div><div><p>La proc\u00e9dure op\u00e9rationnelle actuelle pour la r\u00e9activation du charbon actif charg\u00e9 en PFAS est r\u00e9guli\u00e8rement r\u00e9vis\u00e9e et peut \u00eatre r\u00e9sum\u00e9e comme suit :<\/p><\/div><div><ul><li>La destruction des adsorbats sur le charbon actif satur\u00e9 est un processus en deux \u00e9tapes. Tout d&#8217;abord, les adsorbats sont volatilis\u00e9s ou d\u00e9sorb\u00e9s de la surface du charbon. Une partie des contaminants d\u00e9sorb\u00e9s est d\u00e9truite dans le four de r\u00e9activation.<\/li><li>Les adsorbats qui sont enlev\u00e9s et non d\u00e9truits dans le four sont aspir\u00e9s \u00e0 travers un syst\u00e8me de r\u00e9duction, qui consiste en un oxydateur thermique\/une postcombustion, un laveur de gaz acides et un d\u00e9poussi\u00e9reur \u00e0 sacs filtrants. Le syst\u00e8me de r\u00e9duction est con\u00e7u pour d\u00e9truire les mati\u00e8res organiques avec une efficacit\u00e9 d&#8217;au moins 99 %, pour neutraliser les gaz acides form\u00e9s au cours du processus et pour capturer les particules. L&#8217;efficacit\u00e9 et la fonctionnalit\u00e9 du syst\u00e8me de r\u00e9duction sont v\u00e9rifi\u00e9es par des tests en chemin\u00e9e approuv\u00e9s et v\u00e9rifi\u00e9s par l&#8217;agence environnementale locale.<\/li><\/ul><p>Notre processus de r\u00e9activation est tr\u00e8s diff\u00e9rent d&#8217;un processus de &#8220;r\u00e9g\u00e9n\u00e9ration&#8221;. La r\u00e9g\u00e9n\u00e9ration du charbon n&#8217;a pas les m\u00eames exigences de temp\u00e9rature que le processus de r\u00e9activation de Chemviron et peut \u00eatre effectu\u00e9e avec de la vapeur ou de l&#8217;azote chaud qui d\u00e9passe rarement 100\u00b0C.\u00a0 Par cons\u00e9quent, les charbons actifs qui ont subi un processus de r\u00e9g\u00e9n\u00e9ration restent partiellement us\u00e9s et contiennent une partie, voire la totalit\u00e9, des adsorbats d&#8217;origine.<\/p><\/div><div><p>Il existe un certain nombre de r\u00e9f\u00e9rences bibliographiques et de donn\u00e9es de tiers qui confirment la destruction des PFAS \u00e0 des temp\u00e9ratures similaires \u00e0 nos conditions de r\u00e9activation. Voici quelques exemples \u00e0 titre de r\u00e9f\u00e9rence :<\/p><\/div><div><ul><li>Une \u00e9tude portant sur du charbon satur\u00e9 utilis\u00e9 dans le traitement de l&#8217;eau potable et contenant des PFAS a montr\u00e9 qu&#8217;aucun PFAS ne restait sur le charbon \u00e0 des temp\u00e9ratures sup\u00e9rieures \u00e0 700\u00b0C dans l&#8217;azote. <sup>[i]\u202f<\/sup><\/li><li>Un certain nombre d&#8217;\u00e9tudes indiquent que les PFAS et les polym\u00e8res fluor\u00e9s sont efficacement d\u00e9truits dans des conditions similaires \u00e0 la r\u00e9activation. <sup>[ii]<\/sup><sup>,<\/sup>\u00a0<sup>[iii]<\/sup><\/li><li>Il a \u00e9t\u00e9 d\u00e9montr\u00e9 que l&#8217;APFO et ses diff\u00e9rents sels sont compl\u00e8tement d\u00e9truits \u00e0 des temp\u00e9ratures de 350\u00b0C. <sup>[iv]<\/sup><sup>,<\/sup>\u00a0<sup>[v]<\/sup><\/li><li>Le SPFO serait compl\u00e8tement d\u00e9truit \u00e0 600\u00b0C. <sup>[vi]<\/sup><sup>,\u00a0<\/sup><sup>[vii]<\/sup><\/li><li>Une \u00e9tude sur la stabilit\u00e9 thermique des PFAS sur les CAG satur\u00e9s a conclu que &#8220;&#8230;une destruction thermique efficace des PFAS lors de la r\u00e9activation des CAG dans du CO<sub>2<\/sub>\/N<sub>2<\/sub> ou lors de l&#8217;incin\u00e9ration\/combustion de mat\u00e9riaux charg\u00e9s en PFAS (par exemple, les d\u00e9chets m\u00e9nagers) est tr\u00e8s probable \u00e0 condition que des temp\u00e9ratures \u00e9lev\u00e9es (\u2265 700\u00b0C) soient utilis\u00e9es&#8221;. <sup>[viii]<\/sup><\/li><li>La structure poreuse et \u00e9lectronique du charbon actif augmenterait le degr\u00e9 de d\u00e9composition des PFAS adsorb\u00e9s au cours du traitement thermique. <sup>[ix]<\/sup><\/li><\/ul><\/div><div>\u00a0<\/div><div><p>Sur la base d&#8217;importants travaux de R&amp;D r\u00e9alis\u00e9s en interne et par des tiers, ainsi que de diverses r\u00e9f\u00e9rences bibliographiques, Chemviron est persuad\u00e9 que les PFAS sont d\u00e9sorb\u00e9s et \u00e9limin\u00e9s par le processus de r\u00e9activation de Chemviron.<\/p><\/div><div><p>Si vous avez des questions ou des pr\u00e9occupations, <a href=\"https:\/\/www.chemviron.eu\/fr\/contact\/\">n&#8217;h\u00e9sitez pas \u00e0 nous contacter.<\/a>\u00a0<\/p><\/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-3f94e61 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"3f94e61\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-616db71f elementor-widget elementor-widget-text-editor\" data-id=\"616db71f\" data-element_type=\"widget\" data-e-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><p><sup>i<\/sup>\u00a0Watanabe, N., Takemine, S., Yamamoto, K., Haga, Y., Takata, M. Residual organic fluorinated compounds from thermal treatment of PFOA, PFHxA and PFOS adsorbed onto granular activated carbon (GAC).\u00a0<em>Journal of Material Cycles and Waste Management<\/em>,\u00a0<strong>2016<\/strong>, 18:625\u2013630.<\/p><\/div><div><p><sup>ii<\/sup>\u00a0Yamada, T., Taylor, P. H., Buck, R. C., Kaiser, M. A., Giraud, R. J. Thermal degradation of fluorotelomer treated articles and related materials.\u00a0<em>Chemosphere<\/em>,\u00a0<strong>2005<\/strong>, 61(7), 974 \u2013 984.<\/p><\/div><div><p><sup>iii<\/sup>\u00a0Lemieux, P. M., Strynar, M., Tabor, D. G., Wood, J., Cooke, M., Rayfield, B., Kariher, P. Emissions of fluorinated compounds from the combustion of carpeting. Proceedings of the 2007 International Conference on Incineration and Thermal Treatment Technologies, Phoenix, AZ.<\/p><\/div><div><p><sup>iv<\/sup>\u00a0Krusic, P. J., and Roe, D. C. Gas-phase NMR technique for studying the thermolysis of materials: Thermal decomposition of ammonium perfluorooctanoate.\u00a0<em>Analytical Chemistry<\/em>,\u00a0<strong>2004<\/strong>, 76(13), 3800\u20133803.<\/p><\/div><div><p><sup>v\u00a0<\/sup>Krusic, P. J., Marchione, A., Roe, D. C. Gas-phase NMR studies of, the thermolysis of perfluorooctanoic acid.\u00a0<em>Journal of Fluorine Chemistry<\/em>,\u00a0<strong>2005<\/strong>, 126(11-12), 1510\u20131516.<\/p><\/div><div><p><sup>vi<\/sup>\u00a0Office of Pollution Prevention &amp; Toxics, Docket AR226-1366, ed. Laboratory-Scale Thermal Degradation of Perfluorooctanyl Sulfonate and Related Substances. Washington DC: US Environmental Protection Agency,\u00a0<strong>2003<\/strong>, 13.<\/p><\/div><div><p><sup>vii<\/sup>\u00a0Office of Pollution Prevention &amp; Toxics, Docket AR226-1367, ed. Final Report: Laboratory-Scale Thermal Degradation of Perfluoro-Octanyl Sulfonate and Related Substances. Washington DC: US Environmental Protection Agency,\u00a0<strong>2003<\/strong>, 142.<\/p><\/div><div><p><sup>viii<\/sup>\u00a0Xiao, F., Sasi, P. C., Yao, B., Kubatova, A., Golovko, S. A., Golovko, M. Y., Soli, D. Thermal stability and decomposition of perfluoroalkyl substances on spent granular activated carbon.\u00a0<em>Environmental Science &amp; Technology Letters<\/em>,\u00a0<strong>2020<\/strong>, 7, 343-350.<\/p><\/div><div><p><sup>ix\u00a0<\/sup>Baghirzade B.S., Zhang y., Reuther J.F., Saleh N.B. Venkatesan A.K., Apul O. G. Thermal regeneration of spent granular activated carbon to break the forever PFAS Cycle.\u00a0<em>Environmental Science &amp; Technology<\/em>,\u00a0<strong>2021<\/strong>, 55, 9, 5608 \u2013 5619.<\/p><\/div>\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<div class=\"elementor-element elementor-element-408b162c e-flex e-con-boxed elementor-invisible e-con e-parent\" data-id=\"408b162c\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeInUp&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div data-dce-background-color=\"#FFF4DA\" class=\"elementor-element elementor-element-5f4d0649 e-con-full e-flex e-con e-child\" data-id=\"5f4d0649\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1849c1ff dce_masking-none elementor-widget elementor-widget-image\" data-id=\"1849c1ff\" data-element_type=\"widget\" data-e-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=\"136\" height=\"136\" src=\"https:\/\/www.chemviron.eu\/wp-content\/uploads\/2024\/01\/kuraray_pictogram_user-negative-1.png\" class=\"attachment-large size-large wp-image-1986\" alt=\"\" \/>\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 data-dce-background-color=\"#FFF4DA\" class=\"elementor-element elementor-element-742287b4 e-con-full e-flex e-con e-child\" data-id=\"742287b4\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-51fc36d5 elementor-widget elementor-widget-heading\" data-id=\"51fc36d5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Contactez notre \u00e9quipe technique pour plus d'informations.<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-65c04f94 elementor-widget elementor-widget-button\" data-id=\"65c04f94\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/www.chemviron.eu\/fr\/contact\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Contactez-nous<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\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\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>\u00c9limination des PFAS par r\u00e9activation du charbon satur\u00e9 L&#8217;\u00e9limination des PFAS par r\u00e9activation thermique compl\u00e8te l\u2019utilisation du charbon actif, une technologie \u00e9prouv\u00e9e pour adsorber ces mol\u00e9cules de l\u2019eau potable ou des eaux us\u00e9es sans g\u00e9n\u00e9rer de produits d\u00e9riv\u00e9s potentiellement toxiques. L&#8217;\u00e9limination des PFAS par r\u00e9activation thermique est un processus \u00e0 haute temp\u00e9rature qui permet de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":13339,"parent":6183,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-5361","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u00c9limination des PFAS par r\u00e9activation<\/title>\n<meta name=\"description\" content=\"L&#039;\u00e9limination des PFAS par r\u00e9activation thermique utilise une haute temp\u00e9rature pour min\u00e9raliser les PFAS adsorb\u00e9s sur le charbon actif.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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