{"id":1375,"date":"2023-03-28T10:08:13","date_gmt":"2023-03-28T15:08:13","guid":{"rendered":"\/?page_id=1375"},"modified":"2026-09-06T19:18:13","modified_gmt":"2026-09-07T00:18:13","slug":"aditivos-para-plantas-de-estireno-e-eb","status":"publish","type":"page","link":"https:\/\/www.cestoil.com\/pt\/solutions\/petrochemical-additives\/styrene-and-eb-plant-additives\/","title":{"rendered":"Aditivos para plantas de estireno e EB"},"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-1375\"><nav class=\"cpr-breadcrumb\" aria-label=\"Trilha de navega\u00e7\u00e3o\"><a href=\"\/pt\/aplicacoes-de-produtos\/\">Produtos e Aplica\u00e7\u00f5es<\/a><span aria-hidden=\"true\">\/<\/span><a href=\"\/pt\/solucoes\/aditivos-petroquimicos\/\">Opera\u00e7\u00f5es de Olefinas<\/a><\/nav><header class=\"cpr-hero\"><div><p class=\"cpr-kicker\">Opera\u00e7\u00f5es de Olefinas<\/p><h1>Aditivos para plantas de estireno e EB<\/h1><p class=\"cpr-lead\">O controle da polimeriza\u00e7\u00e3o na produ\u00e7\u00e3o de estireno e etilbenzeno exige aten\u00e7\u00e3o \u00e0 corrente de mon\u00f4mero, ao tempo de resid\u00eancia e \u00e0s condi\u00e7\u00f5es operacionais. Inibidores e retardadores s\u00e3o avaliados para lidar com a forma\u00e7\u00e3o indesejada de pol\u00edmero, sendo a sele\u00e7\u00e3o baseada na fun\u00e7\u00e3o de cada tratamento.<\/p><a class=\"cpr-button\" href=\"\/pt\/contato\/\">Discuta sua aplica\u00e7\u00e3o industrial<\/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>Produtos em destaque<\/h2><div class=\"cpr-grid\"><article class=\"cpr-card\"><h3><a href=\"\/pt\/solucoes\/aditivos-petroquimicos\/aditivos-para-plantas-de-estireno-e-eb\/cestriguard-2676\/\"><span translate=\"no\" class=\"notranslate\">Cestriguard 2676<\/span><\/a><\/h3><p>Retardador de polimeriza\u00e7\u00e3o de estireno isento de DNBP<\/p><\/article><\/div><\/section><section class=\"cpr-section\"><h2>Inibidores e retardadores<\/h2><div class=\"cpr-body\"><p>Inibidores de polimeriza\u00e7\u00e3o controlam rea\u00e7\u00f5es de radicais livres em correntes de mon\u00f4meros suscet\u00edveis. Retardadores desempenham uma fun\u00e7\u00e3o de tratamento distinta e podem integrar um programa combinado.<\/p><p>A combina\u00e7\u00e3o adequada depende das condi\u00e7\u00f5es do processo e do per\u00edodo durante o qual o controle \u00e9 necess\u00e1rio. Considere separadamente a opera\u00e7\u00e3o normal, as varia\u00e7\u00f5es na vaz\u00e3o e o tempo de resid\u00eancia prolongado.<\/p><\/div><\/section><section class=\"cpr-section\"><h2>Adapte a qu\u00edmica ao fluxo<\/h2><div class=\"cpr-body\"><p>Analise a composi\u00e7\u00e3o de mon\u00f4meros, o meio solvente, o perfil de temperatura e os pontos de adi\u00e7\u00e3o. Considere a distribui\u00e7\u00e3o do tratamento e os requisitos do estireno acabado.<\/p><p>Aplica\u00e7\u00f5es de armazenamento e transporte exigem uma an\u00e1lise espec\u00edfica de temperatura, tempo de resid\u00eancia, mistura e gerenciamento de inibidores.<\/p><\/div><\/section><section class=\"cpr-section\"><h2>Elabore uma avalia\u00e7\u00e3o<\/h2><div class=\"cpr-body\"><ul><li>Equipamentos afetados e locais de dep\u00f3sitos de pol\u00edmero<\/li><li>Programa atual de inibidores e retardadores<\/li><li>Observa\u00e7\u00f5es utilizadas para avaliar a forma\u00e7\u00e3o de pol\u00edmero e a distribui\u00e7\u00e3o do tratamento.<\/li><li>Qualidade do produto e requisitos a jusante, juntamente com as tend\u00eancias de incrusta\u00e7\u00e3o<\/li><\/ul><\/div><\/section><aside class=\"cpr-related\" aria-label=\"Estudo de caso relacionado\"><h2>Estudo de caso de aplica\u00e7\u00e3o<\/h2><p><a href=\"https:\/\/www.cestoil.com\/pt\/estudos-de-caso\/controle-de-alcatrao-de-polimero-de-estireno\/\">Redu\u00e7\u00e3o da forma\u00e7\u00e3o de pol\u00edmero e alcatr\u00e3o na produ\u00e7\u00e3o de estireno<\/a><\/p><p>Um produtor de estireno avaliou uma altera\u00e7\u00e3o em seu programa de controle de polimeriza\u00e7\u00e3o. A equipe da planta e Cestoil analisaram uma abordagem de tratamento combinado, utilizando a concentra\u00e7\u00e3o de pol\u00edmero e a forma\u00e7\u00e3o de alcatr\u00e3o como principais indicadores de desempenho durante um teste na unidade.<\/p><\/aside><section class=\"cpr-cta\"><h2>Discutir a sele\u00e7\u00e3o de produtos<\/h2><p>Informe a aplica\u00e7\u00e3o, as condi\u00e7\u00f5es de opera\u00e7\u00e3o e os requisitos relevantes para a sua avalia\u00e7\u00e3o. As propriedades espec\u00edficas do produto, as orienta\u00e7\u00f5es de uso e as informa\u00e7\u00f5es de manuseio constam na respectiva ficha t\u00e9cnica e na ficha de informa\u00e7\u00f5es de seguran\u00e7a do produto.<\/p><a class=\"cpr-button\" href=\"\/pt\/contato\/\">Entre em contato com nossa equipe t\u00e9cnica<\/a><\/section><\/article>\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>O controle da polimeriza\u00e7\u00e3o na produ\u00e7\u00e3o de estireno e etilbenzeno exige aten\u00e7\u00e3o \u00e0 corrente de mon\u00f4mero, ao tempo de resid\u00eancia e \u00e0s condi\u00e7\u00f5es operacionais. Inibidores e retardadores s\u00e3o avaliados para lidar com a forma\u00e7\u00e3o indesejada de pol\u00edmero, sendo a sele\u00e7\u00e3o baseada na fun\u00e7\u00e3o de cada tratamento.<\/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\" \/>\n\t<link rel=\"canonical\" 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