{"id":1172,"date":"2021-02-13T10:49:50","date_gmt":"2021-02-13T16:49:50","guid":{"rendered":"\/?page_id=1172"},"modified":"2026-09-06T08:55:54","modified_gmt":"2026-09-06T13:55:54","slug":"demulsifiant","status":"publish","type":"page","link":"https:\/\/www.cestoil.com\/fr\/solutions\/process-chemicals\/demulsifier\/","title":{"rendered":"D\u00e9mulsifiants pour p\u00e9trole brut"},"content":{"rendered":"<div class=\"wpb-content-wrapper\" id=\"wpb-content-root\"><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_raw_code wpb_raw_html wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<style>\n.cpr-page{font-family:Lato,Helvetica,Arial,sans-serif;color:#4a4a4a;font-size:17px;line-height:1.75;max-width:1180px;margin:0 auto;padding:34px 0 64px;box-sizing:border-box}\n.cpr-page *{box-sizing:border-box}.cpr-page h1,.cpr-page h2,.cpr-page h3{font-family:Lato,Helvetica,Arial,sans-serif!important;color:#333!important;font-weight:700!important;text-transform:none!important;letter-spacing:normal!important;text-wrap:balance}\n.cpr-page h1{font-size:clamp(32px,3.6vw,46px)!important;line-height:1.16!important;margin:10px 0 22px!important}.cpr-page h2{font-size:30px!important;line-height:1.3!important;margin:0 0 20px!important}.cpr-page h3{font-size:22px!important;line-height:1.35!important;margin:0 0 12px!important}\n.cpr-page p,.cpr-page li{font-family:inherit!important;font-size:17px!important;line-height:1.75!important;font-weight:400;color:#4a4a4a}.cpr-page p{margin:0 0 18px}.cpr-page p:last-child{margin-bottom:0}.cpr-page ul{margin:14px 0 0;padding-left:21px}.cpr-page li{margin-bottom:10px}.cpr-page a{color:#806b34;text-decoration:underline;text-underline-offset:3px}.cpr-page a:hover{color:#333}.cpr-page a:focus-visible{outline:2px solid #806b34;outline-offset:4px}\n.cpr-page .cpr-breadcrumb{font-size:14px;margin-bottom:36px;color:#666;display:flex;flex-wrap:wrap;gap:8px}.cpr-page .cpr-kicker{font-size:13px!important;color:#806b34;font-weight:700;letter-spacing:1px;text-transform:uppercase;margin-bottom:8px}\n.cpr-hero{display:grid;grid-template-columns:1.25fr 1fr;gap:48px;align-items:center;padding:0 0 54px}.cpr-hero .cpr-lead{font-size:19px!important;line-height:1.6!important}.cpr-hero figure{margin:0}.cpr-hero img{width:100%;height:310px;object-fit:cover;border-radius:2px;display:block}.cpr-hero .cpr-image-note{font-size:14px!important;color:#666;margin-top:8px}\n.cpr-page .cpr-button{display:inline-block;background:#c9ac63;color:#333!important;font-weight:700;font-size:16px;line-height:1.4;padding:14px 22px;margin-top:12px;border-radius:2px;text-decoration:none}.cpr-page .cpr-button:hover{background:#333;color:#fff!important}\n.cpr-section{padding:38px 0;border-top:1px solid #dedede;display:grid;grid-template-columns:1fr 2fr;gap:42px}.cpr-section .cpr-body{max-width:780px}.cpr-section .cpr-body p:last-child{margin-bottom:0}.cpr-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.cpr-card{padding:24px;border:1px solid #dedede;background:#fff}.cpr-card p{font-size:16px!important}.cpr-card a{font-weight:700}.cpr-related{padding:32px;background:#f5f6f8;margin:22px 0 34px;border-left:3px solid #c9ac63}.cpr-related ul{margin:0}.cpr-cta{border-top:1px solid #dedede;padding-top:38px}.cpr-cta p{max-width:760px}.cpr-hero.cpr-no-image{grid-template-columns:1fr;max-width:860px}\n@media(max-width:800px){.cpr-hero{gap:24px;grid-template-columns:1fr}.cpr-hero img{height:260px}.cpr-section{grid-template-columns:1fr;gap:8px}.cpr-page h2{font-size:28px!important}}\n@media(max-width:600px){.cpr-page{padding:24px 0 44px}.cpr-page h1{font-size:32px!important}.cpr-page h2{font-size:26px!important}.cpr-page h3{font-size:21px!important}.cpr-page p,.cpr-page li{font-size:16px!important;line-height:1.7!important}.cpr-hero .cpr-lead{font-size:18px!important}.cpr-hero{padding-bottom:32px}.cpr-hero img{height:220px}.cpr-section{padding:28px 0}.cpr-grid{grid-template-columns:1fr;gap:16px}.cpr-card,.cpr-related{padding:22px}.cpr-page .cpr-breadcrumb{margin-bottom:24px}}\n<\/style><article class=\"cpr-page\" id=\"cpr-1172\"><nav class=\"cpr-breadcrumb\" aria-label=\"Fil d&#039;Ariane\"><a href=\"\/fr\/applications-des-produits\/\">Produits et applications<\/a><span aria-hidden=\"true\">\/<\/span><a href=\"\/fr\/applications-des-produits\/#process-optimization\">Optimisation des processus<\/a><\/nav><header class=\"cpr-hero\"><div><p class=\"cpr-kicker\">Optimisation des processus<\/p><h1>D\u00e9mulsifiants pour p\u00e9trole brut<\/h1><p class=\"cpr-lead\">Les d\u00e9s\u00e9mulsifiants facilitent la s\u00e9paration de l'eau des \u00e9mulsions de p\u00e9trole brut lors du pr\u00e9traitement et du dessalage. La formulation appropri\u00e9e d\u00e9pend du m\u00e9lange de brut, du comportement de l'\u00e9mulsion et des conditions de s\u00e9paration disponibles.<\/p><a class=\"cpr-button\" href=\"\/fr\/contact\/\">Discutez de votre application<\/a><\/div><figure><img src=\"https:\/\/www.cestoil.com\/wp-content\/uploads\/demulsifiers.jpg\" alt=\"\" decoding=\"async\"><\/figure><\/header><section class=\"cpr-section\"><h2>Application et fonction<\/h2><div class=\"cpr-body\"><p>Le traitement par d\u00e9s\u00e9mulsifiant cible l'eau \u00e9mulsifi\u00e9e et l'interface huile-eau lors du dessalage du brut. Il favorise la lib\u00e9ration de l'eau et la s\u00e9paration des phases afin que l'eau contenant du sel puisse \u00eatre \u00e9limin\u00e9e du brut.<\/p><p>Les formulations ont des caract\u00e9ristiques de solubilit\u00e9 et de lib\u00e9ration diff\u00e9rentes. Le choix doit refl\u00e9ter le brut m\u00e9lang\u00e9 r\u00e9el ; des modifications de la charge ou du fonctionnement du dessaleur peuvent n\u00e9cessiter une r\u00e9\u00e9valuation.<\/p><\/div><\/section><section class=\"cpr-section\"><h2>Informations pour la s\u00e9lection<\/h2><div class=\"cpr-body\"><ul><li>Composition brute, teneur en eau et stabilit\u00e9 des \u00e9mulsions<\/li><li>Qualit\u00e9 de l'eau de lavage, conditions de m\u00e9lange et temp\u00e9rature de s\u00e9paration<\/li><li>Comportement \u00e0 l'interface, temps de s\u00e9jour et programme chimique existant<\/li><\/ul><\/div><\/section><section class=\"cpr-section\"><h2>\u00c9valuation et r\u00e9vision technique<\/h2><div class=\"cpr-body\"><p>Utilisez des \u00e9chantillons repr\u00e9sentatifs pour comparer le relargage d'eau, la clart\u00e9 de l'interface et l'eau r\u00e9siduelle dans l'huile. Examinez l'eau s\u00e9par\u00e9e ainsi que le brut trait\u00e9.<\/p><p>Une \u00e9valuation d'usine doit enregistrer les changements de charge et le fonctionnement du dessaleur ainsi que la r\u00e9ponse au traitement. Les r\u00e9sultats du criblage guident l'introduction surveill\u00e9e de la formulation s\u00e9lectionn\u00e9e.<\/p><\/div><\/section><aside class=\"cpr-related\" aria-label=\"\u00c9tude de cas connexe\"><h2>\u00c9tude de cas d'application<\/h2><p><a href=\"https:\/\/www.cestoil.com\/fr\/etudes-de-cas\/crude-desalting-variable-feed\/\">Stabilisation du dessalage de brut dans des conditions d'alimentation variables<\/a><\/p><p>Une raffinerie a \u00e9valu\u00e9 un programme r\u00e9vis\u00e9 de d\u00e9s\u00e9mulsifiant alors que l'alimentation en brut et les conditions de traitement variaient. L'essai a combin\u00e9 un traitement chimique avec des ajustements op\u00e9rationnels et a surveill\u00e9 le sel dans le brut d\u00e9sal\u00e9 ainsi que l'huile dans l'eau d'effluent du dessaleur.<\/p><\/aside><aside class=\"cpr-related sol-related-program\"><h2>Solution technique associ\u00e9e<\/h2><p><a href=\"https:\/\/www.cestoil.com\/fr\/solutions\/optimisation-du-dessalage-par-pretraitement-du-brut\/\">Optimisation du pr\u00e9traitement et du dessalage du brut<\/a><\/p><\/aside><section class=\"cpr-cta\"><h2>Discuter de la s\u00e9lection des produits<\/h2><p>Partagez l'application, les conditions de fonctionnement et les exigences qui comptent pour votre \u00e9valuation. Les propri\u00e9t\u00e9s sp\u00e9cifiques au produit, les conseils d'utilisation et les informations de manipulation sont fournis dans la fiche technique et la fiche de donn\u00e9es de s\u00e9curit\u00e9 correspondantes.<\/p><a class=\"cpr-button\" href=\"\/fr\/contact\/\">Contactez notre \u00e9quipe technique<\/a><\/section><\/article>\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Les d\u00e9s\u00e9mulsifiants facilitent la s\u00e9paration de l'eau des \u00e9mulsions de p\u00e9trole brut lors du pr\u00e9traitement et du dessalage. La formulation appropri\u00e9e d\u00e9pend du m\u00e9lange de brut, du comportement de l'\u00e9mulsion et des conditions de s\u00e9paration disponibles.<\/p>","protected":false},"author":2,"featured_media":0,"parent":144,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-1172","page","type-page","status-publish","hentry","description-off"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Crude-oil demulsifiers assist water separation during pretreatment and desalting, with selection based on crude blend and emulsion behavior.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" 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