{"id":357,"date":"2026-05-25T09:43:05","date_gmt":"2026-05-25T09:43:05","guid":{"rendered":"https:\/\/psd-carbon.com\/?p=357"},"modified":"2026-06-25T01:43:43","modified_gmt":"2026-06-25T01:43:43","slug":"lixiviat-de-decharge","status":"publish","type":"post","link":"https:\/\/psd-carbon.com\/fr\/landfill-leachate\/","title":{"rendered":"Lixiviats de d\u00e9charge"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Charbon actif pour le traitement des lixiviats de d\u00e9charge<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les lixiviats de d\u00e9charge comptent parmi les flux liquides les plus agressifs en g\u00e9nie de l'environnement. Les lixiviats \u00ab matures \u00bb contiennent une DCO r\u00e9fractaire, des acides humiques qui r\u00e9sistent \u00e0 la biod\u00e9gradation, des m\u00e9taux lourds et des contaminants \u00e9mergents, le tout dans une matrice dont la composition varie en fonction de l'\u00e2ge de la d\u00e9charge, de la saison et de la composition des d\u00e9chets.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le traitement biologique, qui constitue g\u00e9n\u00e9ralement la premi\u00e8re ligne de d\u00e9fense, atteint rapidement ses limites ; les mati\u00e8res organiques restantes sont pr\u00e9cis\u00e9ment celles que le charbon actif standard peine \u00e0 retenir efficacement.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Le d\u00e9fi et l'approche PureStar<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le probl\u00e8me est la <strong>persistance organique r\u00e9fractaire<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les compos\u00e9s humiques et fulviques, principaux responsables de la couleur et de la DCO dans les lixiviats vieillis, sont des mol\u00e9cules de grande taille qui n\u00e9cessitent <strong>carbone \u00e0 pores m\u00e9sopores dominants<\/strong> plut\u00f4t que les grades \u00e0 micropores optimis\u00e9s, con\u00e7us pour les contaminants pr\u00e9sents en faibles quantit\u00e9s. L'utilisation d'un type de charbon inadapt\u00e9 entra\u00eene une apparition rapide de la couleur dans l'effluent et une non-conformit\u00e9 persistante de celui-ci.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>La solution PureStar :<\/strong> Grades de lixiviats con\u00e7us avec une architecture m\u00e9soporeuse cibl\u00e9e pour la capture de mol\u00e9cules de grande taille.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Nos charbons sous forme de poudre et de granul\u00e9s, dot\u00e9s d'une grande surface sp\u00e9cifique, offrent la distribution pr\u00e9cise du volume poreux n\u00e9cessaire pour adsorber les pigments humiques et les compos\u00e9s organiques r\u00e9fractaires, \u00e9liminant ainsi la saturation pr\u00e9matur\u00e9e qui affecte les produits conventionnels :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nuances de poudre \u00e0 \u00e9quilibre rapide :<\/strong> Permettre un fonctionnement flexible des r\u00e9acteurs discontinus dans les stations traitant des eaux us\u00e9es d'entr\u00e9e tr\u00e8s variables.<\/li>\n\n\n\n<li><strong>Niveaux GAC \u00ab Robust \u00bb :<\/strong> Assure une stabilit\u00e9 de traitement continue et une protection par barri\u00e8re fiable pour les installations pr\u00e9sentant des d\u00e9bits plus r\u00e9guliers.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Activated Carbon for Landfill Leachate Treatment Landfill leachate is among the most hostile liquid streams in environmental engineering. Mature leachate carries refractory COD, humic acids that defy biodegradation, heavy metals, and emerging contaminants in a matrix that shifts with landfill age, season, and waste composition. Biological treatment, the conventional first line, reaches its limit quickly; [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":358,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[12],"tags":[],"class_list":["post-357","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-process-waste-water"],"acf":[],"_links":{"self":[{"href":"https:\/\/psd-carbon.com\/fr\/wp-json\/wp\/v2\/posts\/357","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/psd-carbon.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/psd-carbon.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/psd-carbon.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/psd-carbon.com\/fr\/wp-json\/wp\/v2\/comments?post=357"}],"version-history":[{"count":6,"href":"https:\/\/psd-carbon.com\/fr\/wp-json\/wp\/v2\/posts\/357\/revisions"}],"predecessor-version":[{"id":1149,"href":"https:\/\/psd-carbon.com\/fr\/wp-json\/wp\/v2\/posts\/357\/revisions\/1149"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/psd-carbon.com\/fr\/wp-json\/wp\/v2\/media\/358"}],"wp:attachment":[{"href":"https:\/\/psd-carbon.com\/fr\/wp-json\/wp\/v2\/media?parent=357"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/psd-carbon.com\/fr\/wp-json\/wp\/v2\/categories?post=357"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/psd-carbon.com\/fr\/wp-json\/wp\/v2\/tags?post=357"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}