{"id":1375,"date":"2023-03-28T10:08:13","date_gmt":"2023-03-28T15:08:13","guid":{"rendered":"\/?page_id=1375"},"modified":"2026-09-14T18:17:12","modified_gmt":"2026-09-14T23:17:12","slug":"additifs-pour-usine-de-styrene-et-dethylbenzene","status":"publish","type":"page","link":"https:\/\/www.cestoil.com\/fr\/products-applications\/petrochemical-process-solutions\/styrene-and-eb-plant-additives\/","title":{"rendered":"Applications des proc\u00e9d\u00e9s de production de styr\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>.ctx-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.ctx-card{border:1px solid 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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=\"Breadcrumb\"><a href=\"\/products-applications\/\">Products &amp; Applications<\/a> \/ <a href=\"\/products-applications\/petrochemical-process-solutions\/\">Petrochemical Process Solutions<\/a><\/nav><header class=\"cpr-hero\"><div><p class=\"cpr-kicker\">Petrochemical Process Solutions<\/p><h1>Styrene Process Applications<\/h1><p class=\"cpr-lead\">Polymerization control in styrene and ethylbenzene production requires attention to the monomer stream, residence time and operating conditions. Inhibitors and retarders are evaluated for unwanted polymer formation, with selection based on each treatment\u2019s duty.<\/p><a class=\"cpr-button\" href=\"\/contact\/\">Discuss your application<\/a><\/div><figure><img src=\"https:\/\/www.cestoil.com\/wp-content\/uploads\/refinery-detail.jpg\" alt=\"\" decoding=\"async\"><\/figure><\/header><!-- cfp-featured-products --><section class=\"cpr-section\"><h2>Featured products<\/h2><div class=\"cpr-grid\"><article class=\"cpr-card\"><h3><a href=\"\/products-applications\/petrochemical-process-solutions\/styrene-and-eb-plant-additives\/cestriguard-2676\/\"><span translate=\"no\" class=\"notranslate\">Cestriguard 2676<\/span><\/a><\/h3><p>DNBP-free styrene polymerization retarder<\/p><\/article><\/div><\/section><section class=\"cpr-section\"><h2>Inhibitors and retarders<\/h2><div class=\"cpr-body\"><p>Polymerization inhibitors control free-radical reactions in susceptible monomer streams. Retarders provide a separate treatment function and may form part of a combined program.<\/p><p>The appropriate combination depends on process conditions and the period over which control is required. Consider normal operation, throughput changes and extended residence separately.<\/p><\/div><\/section><section class=\"cpr-section\"><h2>Match chemistry to the stream<\/h2><div class=\"cpr-body\"><p>Review monomer composition, solvent environment, temperature profile and addition locations. Account for treatment distribution and finished-styrene requirements.<\/p><p>Storage and transport applications require their own review of temperature, residence time, mixing and inhibitor management.<\/p><\/div><\/section><section class=\"cpr-section\"><h2>Build an evaluation<\/h2><div class=\"cpr-body\"><ul><li>Affected equipment and locations of polymer deposits<\/li><li>Current inhibitor and retarder program<\/li><li>Observations used to assess polymer formation and treatment distribution<\/li><li>Product quality and downstream requirements alongside fouling trends<\/li><\/ul><\/div><\/section><aside class=\"cpr-related\" aria-label=\"Related case study\"><h2>Application case study<\/h2><p><a href=\"https:\/\/www.cestoil.com\/case-studies\/styrene-polymer-tar-control\/\">Reducing Polymer and Tar Formation in Styrene Production<\/a><\/p><p>A styrene producer evaluated a change to its polymerization-control program. Plant personnel and Cestoil reviewed a combined treatment approach, using polymer concentration and tar formation as the principal performance indicators during a plant trial.<\/p><\/aside><section class=\"ctx-evidence\"><h2>Related solutions &amp; case studies<\/h2><div class=\"ctx-grid\"><article class=\"ctx-card\"><p class=\"cpr-kicker\">Case study<\/p><h3>Synergistic inhibition in styrene distillation<\/h3><p>Northshore GCD2673 with the plant\u2019s existing retarder<\/p><a href=\"https:\/\/www.cestoil.com\/case-studies\/gcd2673-styrene-synergistic-inhibition\/\">Read case study \u2192<\/a><\/article><article class=\"ctx-card\"><p class=\"cpr-kicker\">Case study<\/p><h3>Polymer and tar control in styrene production<\/h3><p>Northshore GCD2673 + GCD2676<\/p><a href=\"https:\/\/www.cestoil.com\/case-studies\/styrene-polymer-tar-control\/\">Read case study \u2192<\/a><\/article><\/div><\/section><section class=\"cpr-cta\"><h2>Discuss product selection<\/h2><p>Share the application, operating conditions and requirements that matter to your evaluation. Product-specific properties, use guidance and handling information are provided in the relevant product data sheet and safety data sheet.<\/p><a class=\"cpr-button\" href=\"\/contact\/\">Contact our technical team<\/a><a href=\"\/request-a-sample\/\" class=\"cpr-button\">Request a sample<\/a><\/section><\/article>\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><br \/>\n<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>.gcd-dnbp-related{max-width:1120px;margin:30px auto;padding:28px;border-left:3px solid #c9ac63;background:#f5f6f8;font:17px\/1.7 Lato,Arial,sans-serif;color:#4a4a4a}.gcd-dnbp-related h2{font-size:26px;color:#333}.gcd-dnbp-related a{color:#806b34;text-decoration:underline}<\/style><aside class=\"gcd-dnbp-related\"><p>Related case study<\/p><h2>Northshore GCD2673 + GCD2676: Replacing DNBP<\/h2><p>A monitored production trial reported 14% lower tar yield and 25% lower T-6402 bottoms polymer.<\/p><a href=\"https:\/\/www.cestoil.com\/case-studies\/gcd2673-gcd2676-styrene-dnbp-replacement\/\">Read the case study \u2192<\/a><\/aside>\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Contr\u00f4le de la polym\u00e9risation et traitement des flux aqueux int\u00e9gr\u00e9s au proc\u00e9d\u00e9 de fabrication du styr\u00e8ne.<\/p>","protected":false},"author":2,"featured_media":0,"parent":148,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"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 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" 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