{"id":1375,"date":"2023-03-28T10:08:13","date_gmt":"2023-03-28T15:08:13","guid":{"rendered":"\/?page_id=1375"},"modified":"2026-09-06T08:56:01","modified_gmt":"2026-09-06T13:56:01","slug":"additifs-pour-usine-de-styrene-et-dethylbenzene","status":"publish","type":"page","link":"https:\/\/www.cestoil.com\/fr\/solutions\/petrochemical-additives\/styrene-and-eb-plant-additives\/","title":{"rendered":"Additifs pour usines de styr\u00e8ne et d'\u00e9thylbenz\u00e8ne"},"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 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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-1375\"><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\/#olefin-operations\">Op\u00e9rations ol\u00e9fines<\/a><\/nav><header class=\"cpr-hero\"><div><p class=\"cpr-kicker\">Op\u00e9rations ol\u00e9fines<\/p><h1>Additifs pour usines de styr\u00e8ne et d'\u00e9thylbenz\u00e8ne<\/h1><p class=\"cpr-lead\">Le contr\u00f4le de la polym\u00e9risation dans la production de styr\u00e8ne et d'\u00e9thylbenz\u00e8ne n\u00e9cessite une attention particuli\u00e8re au flux de monom\u00e8re, au temps de s\u00e9jour et aux conditions op\u00e9ratoires. Des inhibiteurs et des retardateurs sont \u00e9valu\u00e9s pour contrer la formation de polym\u00e8res ind\u00e9sirables, leur s\u00e9lection \u00e9tant bas\u00e9e sur l'efficacit\u00e9 requise pour chaque traitement.<\/p><a class=\"cpr-button\" href=\"\/fr\/contact\/\">Discutez de votre application<\/a><\/div><figure><img src=\"https:\/\/www.cestoil.com\/wp-content\/uploads\/styrene.jpg\" alt=\"\" decoding=\"async\"><\/figure><\/header><section class=\"cpr-section\"><h2>Inhibiteurs et retardateurs<\/h2><div class=\"cpr-body\"><p>Les inhibiteurs de polym\u00e9risation contr\u00f4lent les r\u00e9actions de radicaux libres dans les flux de monom\u00e8res sensibles. Les retardateurs assurent une fonction de traitement distincte et peuvent faire partie d'un programme combin\u00e9.<\/p><p>La combinaison appropri\u00e9e d\u00e9pend des conditions du proc\u00e9d\u00e9 et de la p\u00e9riode pendant laquelle le contr\u00f4le est requis. Examinez le fonctionnement normal, les variations de d\u00e9bit et le s\u00e9jour prolong\u00e9 s\u00e9par\u00e9ment.<\/p><\/div><\/section><section class=\"cpr-section\"><h2>Associer la chimie \u00e0 la fili\u00e8re<\/h2><div class=\"cpr-body\"><p>Examinez la composition des monom\u00e8res, l'environnement solvant, le profil de temp\u00e9rature et les points d'addition. Tenez compte de la distribution du traitement et des exigences relatives au styr\u00e8ne fini.<\/p><p>Les applications de stockage et de transport n\u00e9cessitent leur propre examen de la temp\u00e9rature, du temps de s\u00e9jour, du m\u00e9lange et de la gestion des inhibiteurs.<\/p><\/div><\/section><section class=\"cpr-section\"><h2>Cr\u00e9er une \u00e9valuation<\/h2><div class=\"cpr-body\"><ul><li>\u00c9quipements concern\u00e9s et emplacements des d\u00e9p\u00f4ts de polym\u00e8re<\/li><li>Programme actuel d'inhibiteurs et de retardateurs<\/li><li>Observations utilis\u00e9es pour \u00e9valuer la formation de polym\u00e8res et la distribution des traitements<\/li><li>Qualit\u00e9 des produits et exigences en aval ainsi que les tendances d'encrassement<\/li><\/ul><\/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\/styrene-polymer-tar-control\/\">R\u00e9duction de la formation de polym\u00e8res et de goudrons dans la production de styr\u00e8ne<\/a><\/p><p>Un producteur de styr\u00e8ne a \u00e9valu\u00e9 une modification de son programme de contr\u00f4le de la polym\u00e9risation. Le personnel de l'usine et Cestoil ont examin\u00e9 une approche de traitement combin\u00e9e, en utilisant la concentration de polym\u00e8re et la formation de goudron comme principaux indicateurs de performance lors d'un essai en usine.<\/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>Le contr\u00f4le de la polym\u00e9risation dans la production de styr\u00e8ne et d'\u00e9thylbenz\u00e8ne n\u00e9cessite une attention particuli\u00e8re au flux de monom\u00e8re, au temps de s\u00e9jour et aux conditions op\u00e9ratoires. Des inhibiteurs et des retardateurs sont \u00e9valu\u00e9s pour contrer la formation de polym\u00e8res ind\u00e9sirables, leur s\u00e9lection \u00e9tant bas\u00e9e sur l'efficacit\u00e9 requise pour chaque traitement.<\/p>","protected":false},"author":2,"featured_media":0,"parent":148,"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-1375","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=\"Review inhibitors and retarders for styrene and ethylbenzene production against monomer stream, residence time and treatment duty.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" 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