{"id":1703,"date":"2026-09-05T17:20:17","date_gmt":"2026-09-05T22:20:17","guid":{"rendered":"https:\/\/cestoil.com\/?page_id=1703"},"modified":"2026-09-12T12:15:05","modified_gmt":"2026-09-12T17:15:05","slug":"controle-des-goudrons-par-polymere-de-styrene","status":"publish","type":"page","link":"https:\/\/www.cestoil.com\/fr\/case-studies\/styrene-polymer-tar-control\/","title":{"rendered":"Northshore GCD2673 + GCD2676 : Contr\u00f4le des polym\u00e8res de styr\u00e8ne et du goudron"},"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.ccr-case{max-width:1120px;margin:36px auto 70px;padding:0 24px;color:#414b53;font:18px\/1.75 Lato,Arial,sans-serif}\n.ccr-case 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.ccr-hero{grid-template-columns:1fr;gap:24px}.ccr-case .ccr-report-preview{width:248px;max-width:100%;margin:0 auto}}\n@media(max-width:800px){.ccr-case .ccr-section{grid-template-columns:1fr;gap:4px;padding:26px 0}.ccr-case .ccr-section h2{font-size:25px}.ccr-case .ccr-result{padding:24px;margin:8px -12px}.ccr-case{padding:0 18px}.ccr-case .ccr-lead{font-size:20px}.ccr-case .ccr-request{padding:24px}.ccr-case .ccr-highlight{padding:21px}.ccr-case .ccr-section,.ccr-case .ccr-request{scroll-margin-top:90px}}\n<\/style><article class=\"ccr-case\" data-summary-version=\"expanded-20260912\"><nav class=\"ccr-breadcrumb\" aria-label=\"Fil d&#039;Ariane\"><a href=\"\/fr\/etudes-de-cas\/\">\u00c9tudes de cas<\/a> \/ Solutions pour les proc\u00e9d\u00e9s p\u00e9trochimiques<\/nav><p class=\"ccr-label\">Vue d'ensemble de l'\u00e9tude de cas<\/p><h1>Northshore GCD2673 + GCD2676 : Contr\u00f4le des polym\u00e8res de styr\u00e8ne et du goudron<\/h1><p class=\"ccr-lead\">Un producteur de styr\u00e8ne a \u00e9valu\u00e9 un programme de traitement combin\u00e9 utilisant les produits Northshore GCD2673 et GCD2676 afin de r\u00e9duire la formation ind\u00e9sirable de polym\u00e8res et de goudrons durant l'exploitation de l'usine. L'\u00e9valuation finale a comport\u00e9 un essai de 90 jours, au cours duquel des sp\u00e9cialistes Cestoil et le personnel de l'usine ont suivi l'efficacit\u00e9 du traitement parall\u00e8lement aux conditions du proc\u00e9d\u00e9. Les r\u00e9sultats ont fait appara\u00eetre une r\u00e9duction d'environ 42 % de la concentration en polym\u00e8res ainsi qu'une diminution de la formation de goudrons. Ce cas illustre la mani\u00e8re dont un programme combin\u00e9 d'additifs peut \u00eatre \u00e9valu\u00e9 \u00e0 l'aide de deux indicateurs distincts de la formation de substances ind\u00e9sirables.<\/p><a class=\"ccr-button\" href=\"https:\/\/www.cestoil.com\/fr\/demander-une-etude-de-cas\/?case=1703\">Demander l'\u00e9tude de cas compl\u00e8te<\/a><aside class=\"ccr-highlight\" aria-label=\"Observation cl\u00e9\"><p class=\"ccr-label\">Northshore GCD2673 + GCD2676<\/p><strong>Concentration en polym\u00e8re inf\u00e9rieure d'environ 42 %<\/strong><\/aside><nav class=\"ccr-jump\" aria-label=\"Sur cette page\"><a href=\"#case-section-1\">D\u00e9fi op\u00e9rationnel<\/a><a href=\"#case-section-3\">Mise en \u0153uvre sur le terrain<\/a><a href=\"#case-section-4\">R\u00e9sultats communiqu\u00e9s<\/a><a href=\"#case-report\">\u00c9tude de cas compl\u00e8te<\/a><\/nav><section class=\"ccr-section\" id=\"case-section-1\"><h2>L'objectif de l'usine en mati\u00e8re de contr\u00f4le de la polym\u00e9risation<\/h2><div><p>Le producteur exploitait une usine de styr\u00e8ne d'une capacit\u00e9 d\u00e9clar\u00e9e de 120 000 tonnes par an. Souhaitant am\u00e9liorer son programme de contr\u00f4le de la polym\u00e9risation, il a assur\u00e9 le suivi des polym\u00e8res ind\u00e9sirables et des goudrons dans le cadre de cette \u00e9valuation. La question \u00e9tait d'ordre pratique : un programme de traitement r\u00e9vis\u00e9 permettrait-il d'am\u00e9liorer ces indicateurs dans les conditions r\u00e9elles d'exploitation de l'usine ?<\/p><p>L'\u00e9valuation a n\u00e9cessit\u00e9 de distinguer la concentration analytique du taux de production de mati\u00e8re. La pr\u00e9sence de polym\u00e8re dans un flux \u00e9chantillonn\u00e9 et la formation de goudron au cours de l'op\u00e9ration refl\u00e8tent des aspects diff\u00e9rents de la performance. L'enregistrement de ces deux param\u00e8tres fournit \u00e0 l'\u00e9quipe d'exploitation davantage d'\u00e9l\u00e9ments de contexte que la simple prise en compte de l'une ou l'autre de ces valeurs. Par ailleurs, le cas \u00e9tudi\u00e9 associe les am\u00e9liorations ult\u00e9rieures \u00e0 la qualit\u00e9 du styr\u00e8ne dans la section de distillation, soulignant ainsi l'importance du contexte global du proc\u00e9d\u00e9 pour l'interpr\u00e9tation des r\u00e9sultats.<\/p><\/div><\/section><section class=\"ccr-section\" id=\"case-section-2\"><h2>Le traitement combin\u00e9 Cestoil<\/h2><div><p>Cestoil a pr\u00e9sent\u00e9 les produits Northshore GCD2673 et Northshore GCD2676 dans le cadre d'un programme combin\u00e9. Les deux produits ont \u00e9t\u00e9 utilis\u00e9s lors de l'\u00e9valuation en usine, et les r\u00e9sultats rapport\u00e9s d\u00e9coulent de cette combinaison. Le cas ne quantifie pas s\u00e9par\u00e9ment la part de la r\u00e9ponse attribuable \u00e0 chaque produit.<\/p><p>Pour un producteur qui \u00e9value diff\u00e9rentes solutions, cette distinction permet de d\u00e9finir une prochaine \u00e9tape pertinente. Une comparaison doit prendre en compte le dispositif de traitement, le r\u00f4le de chaque produit au sein du programme ainsi que les conditions dans lesquelles l'usine a suivi les performances. Le pourcentage mis en avant ne suffit pas, \u00e0 lui seul, \u00e0 d\u00e9terminer les dosages appropri\u00e9s pour un proc\u00e9d\u00e9 diff\u00e9rent ni \u00e0 \u00e9tablir l'effet de l'utilisation isol\u00e9e de l'une ou l'autre des qualit\u00e9s de produit.<\/p><\/div><\/section><section class=\"ccr-section\" id=\"case-section-3\"><h2>Essai en usine et suivi technique<\/h2><div><p>La phase d'\u00e9valuation finale a dur\u00e9 90 jours. Les sp\u00e9cialistes techniques de Cestoil et le personnel de l'usine ont mis en \u0153uvre le traitement et ont suivi l'\u00e9volution des taux de polym\u00e8res et de goudrons parall\u00e8lement aux conditions d'exploitation. Cette approche a permis d'inscrire le programme chimique dans le cadre d'une \u00e9valuation approfondie \u00e0 l'\u00e9chelle de l'usine, plut\u00f4t que de se limiter \u00e0 une simple comparaison d'\u00e9chantillons isol\u00e9s.<\/p><p>La source indique une m\u00e9thode ASTM de mesure des polym\u00e8res pour le r\u00e9sultat communiqu\u00e9. La coh\u00e9rence du point de pr\u00e9l\u00e8vement et de la m\u00e9thode d'analyse est importante pour \u00e9valuer une tendance de ce type. Les relev\u00e9s de traitement et les observations du proc\u00e9d\u00e9 constituent l'autre volet de la comparaison : ils permettent \u00e0 l'\u00e9quipe technique de relier une variation mesur\u00e9e au programme appliqu\u00e9 et de d\u00e9terminer si des changements dans la qualit\u00e9 de la charge ou dans le fonctionnement de la distillation doivent \u00e9galement \u00eatre pris en compte.<\/p><\/div><\/section><section class=\"ccr-section ccr-result\" id=\"case-section-4\"><h2>R\u00e9sultat rapport\u00e9 : environ 42 % de polym\u00e8re en moins<\/h2><div><p>La concentration de polym\u00e8re rapport\u00e9e est pass\u00e9e de 2 700 \u00e0 1 570 ppm, soit une r\u00e9duction d'environ 42 % . Les param\u00e8tres relatifs \u00e0 la formation de goudron ont \u00e9galement diminu\u00e9, d'environ 38 % . Ces chiffres sont des valeurs arrondies bas\u00e9es sur les donn\u00e9es indiqu\u00e9es dans le rapport de cas ; ils illustrent l'am\u00e9lioration des deux indicateurs suivis lors de l'\u00e9valuation du programme combin\u00e9 GCD2673 et GCD2676.<\/p><p>Il est essentiel de distinguer ces r\u00e9sultats de la production de l'installation. Une r\u00e9duction de la concentration en polym\u00e8res ind\u00e9sirables ne correspond pas \u00e0 une augmentation en pourcentage de la production de styr\u00e8ne commercialisable. De m\u00eame, un taux de formation de goudrons plus faible ne permet pas, \u00e0 lui seul, de d\u00e9terminer la quantit\u00e9 de produit r\u00e9cup\u00e9r\u00e9 ou la rentabilit\u00e9 financi\u00e8re. Ces aspects commerciaux n\u00e9cessitent de prendre en compte le bilan mati\u00e8re et les donn\u00e9es de co\u00fbts de l'installation, parall\u00e8lement aux r\u00e9sultats du traitement.<\/p><\/div><\/section><section class=\"ccr-section\" id=\"case-section-5\"><h2>Ce que les deux indicateurs apportent \u00e0 la discussion<\/h2><div><p>Le suivi conjoint des polym\u00e8res et des goudrons permet \u00e0 l'\u00e9quipe d'exploitation de d\u00e9terminer si un programme de traitement s'attaque \u00e0 plusieurs manifestations de la formation de mati\u00e8res ind\u00e9sirables. Dans ce cas pr\u00e9cis, les deux param\u00e8tres ont \u00e9volu\u00e9 dans le sens souhait\u00e9. Cet essai constitue donc une r\u00e9f\u00e9rence utile pour un producteur confront\u00e9 \u00e0 une combinaison similaire d'objectifs de contr\u00f4le des polym\u00e8res et de gestion des goudrons.<\/p><p>L'utilisation la plus pertinente de ce cas consiste \u00e0 en exploiter tant l'approche de suivi que les r\u00e9sultats. Une nouvelle \u00e9valuation devrait d\u00e9finir les flux \u00e0 \u00e9chantillonner, les m\u00e9thodes d'analyse et les conditions du proc\u00e9d\u00e9 \u00e0 consigner avant le d\u00e9but du traitement. Le site dispose ainsi d'une base coh\u00e9rente pour d\u00e9terminer si son propre programme s'am\u00e9liore et identifier les points n\u00e9cessitant \u00e9ventuellement des ajustements suppl\u00e9mentaires.<\/p><\/div><\/section><section class=\"ccr-section\" id=\"case-section-6\"><h2>\u00c9valuation de la pertinence op\u00e9rationnelle et commerciale<\/h2><div><p>Pour une installation comparable, il convient de commencer par examiner le programme d'inhibiteurs en vigueur, les dispositifs d'injection, la qualit\u00e9 de la charge et les conditions de distillation repr\u00e9sentatives. Les tendances relatives aux polym\u00e8res et aux goudrons doivent \u00eatre analys\u00e9es conjointement avec les donn\u00e9es sur la qualit\u00e9 des produits et les taux de traitement appliqu\u00e9s. Cestoil et l'exploitant pourront alors d\u00e9terminer la p\u00e9riode de comparaison la plus pertinente ainsi que les questions op\u00e9rationnelles auxquelles l'essai devra r\u00e9pondre.<\/p><p>Pour \u00e9valuer les aspects \u00e9conomiques, il convient de mettre en relation toute r\u00e9duction observ\u00e9e des mati\u00e8res ind\u00e9sirables avec un bilan mati\u00e8re v\u00e9rifi\u00e9, la consommation de produits chimiques et les co\u00fbts d'exploitation pertinents. Le cas \u00e9tudi\u00e9 permet d'analyser l'am\u00e9lioration des indicateurs relatifs aux polym\u00e8res et aux goudrons, mais ne fournit ni gain chiffr\u00e9 de capacit\u00e9 de l'installation ni chiffre isol\u00e9 d'\u00e9conomies de co\u00fbts. Une \u00e9valuation sp\u00e9cifique au site permettrait de d\u00e9terminer ces mesures suppl\u00e9mentaires, sous r\u00e9serve que les donn\u00e9es n\u00e9cessaires soient disponibles.<\/p><\/div><\/section><section class=\"ccr-request\" id=\"case-report\"><h2>D\u00e9couvrez le proc\u00e8s qui a fait la une<\/h2><p>Demandez un examen technique du programme combinant les produits GCD2673 et GCD2676 afin d'aborder les param\u00e8tres de traitement, la mesure des polym\u00e8res, les comparaisons relatives aux goudrons et le contexte de l'\u00e9valuation sur 90 jours. Ces informations aideront votre \u00e9quipe \u00e0 d\u00e9finir la structure d'un essai industriel pertinent. La documentation relative \u00e0 ce projet ant\u00e9rieur est fournie sous r\u00e9serve d'examen et de disponibilit\u00e9 ; Cestoil pourra confirmer les rapports disponibles apr\u00e8s avoir pris connaissance de votre entreprise et de l'application envisag\u00e9e.<\/p><a class=\"ccr-button\" href=\"https:\/\/www.cestoil.com\/fr\/demander-une-etude-de-cas\/?case=1703\">Demander l'\u00e9tude de cas compl\u00e8te<\/a><p class=\"ccr-small\" style=\"margin-top:16px\">Les demandes sont examin\u00e9es avant la publication des rapports.<\/p><\/section><p class=\"ccr-small\">Source : R\u00e9sum\u00e9 du dossier sur le styr\u00e8ne Cestoil Northshore GCD2673 + GCD2676. Les variations en pourcentage sont arrondies \u00e0 partir des valeurs finales rapport\u00e9es.<\/p><nav class=\"ccr-links\" aria-label=\"Pages connexes\"><a href=\"\/fr\/applications-des-produits\/solutions-pour-les-procedes-petrochimiques\/\">D\u00e9couvrez des solutions pour les proc\u00e9d\u00e9s p\u00e9trochimiques<\/a><a href=\"\/fr\/etudes-de-cas\/\">Toutes les \u00e9tudes de cas<\/a><\/nav><\/article>\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Un producteur de styr\u00e8ne a \u00e9valu\u00e9 un programme combinant les produits Northshore GCD2673 et GCD2676 afin de r\u00e9duire la formation ind\u00e9sirable de polym\u00e8res et de goudrons.<\/p>","protected":false},"author":2,"featured_media":0,"parent":669,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"footnotes":""},"class_list":["post-1703","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\" content=\"A styrene producer evaluated a combined Northshore GCD2673 and GCD2676 program to reduce unwanted polymer and tar formation. 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