{"id":1704,"date":"2026-09-05T17:20:18","date_gmt":"2026-09-05T22:20:18","guid":{"rendered":"https:\/\/cestoil.com\/?page_id=1704"},"modified":"2026-09-14T17:12:48","modified_gmt":"2026-09-14T22:12:48","slug":"charge-variable-pour-le-dessalage-du-petrole-brut","status":"publish","type":"page","link":"https:\/\/www.cestoil.com\/fr\/case-studies\/crude-desalting-variable-feed\/","title":{"rendered":"Northshore CC8290 : Dessalage avec des charges de p\u00e9trole brut variables"},"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 *{box-sizing:border-box}.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 de proc\u00e9d\u00e9s de raffinage<\/nav><p class=\"ccr-label\">Vue d'ensemble de l'\u00e9tude de cas<\/p><h1>Northshore CC8290 : Dessalage avec des charges de p\u00e9trole brut variables<\/h1><p class=\"ccr-lead\">Lorsque la nature du p\u00e9trole brut entrant change, le programme de traitement de dessalage doit s'adapter aux nouvelles conditions de s\u00e9paration. Une raffinerie a \u00e9valu\u00e9 le produit Northshore CC8290 au cours d'un essai de deux mois durant lequel les types de brut et les charges de traitement ont vari\u00e9. L'utilisation du d\u00e9s\u00e9mulsifiant de Cestoil s'est accompagn\u00e9e d'un suivi technique ainsi que d'ajustements de l'injection de produits chimiques et du d\u00e9bit d'eau de lavage. Les r\u00e9sultats ont montr\u00e9 que les objectifs fix\u00e9s, tant pour la teneur en sel du brut que pour la teneur en huile des effluents, ont \u00e9t\u00e9 atteints dans les conditions normales d'exploitation de l'essai, d\u00e9montrant ainsi la valeur de la performance du produit alli\u00e9e \u00e0 un service technique actif.<\/p><a class=\"ccr-button\" href=\"https:\/\/www.cestoil.com\/fr\/demander-une-etude-de-cas\/?case=1704\">Demander l'\u00e9tude de cas compl\u00e8te<\/a><aside class=\"ccr-highlight\" aria-label=\"Observation cl\u00e9\"><p class=\"ccr-label\">Northshore CC8290<\/p><strong>Objectifs de dessalage atteints en conditions normales d'essai<\/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-5\">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>Deux objectifs de s\u00e9paration, une alimentation variable<\/h2><div><p>La raffinerie a rencontr\u00e9 des probl\u00e8mes d'irr\u00e9gularit\u00e9 dans la s\u00e9paration des \u00e9mulsions \u00e0 mesure que la composition des charges de p\u00e9trole brut et la charge de l'unit\u00e9 variaient. La \u00ab charge de brut \u00bb d\u00e9signe le m\u00e9lange de p\u00e9troles bruts entrant dans la raffinerie ; les fluctuations de ce m\u00e9lange constituaient donc l'un des d\u00e9fis op\u00e9rationnels. L'\u00e9quipe avait besoin d'un programme capable de s'adapter \u00e0 la variabilit\u00e9 de l'alimentation tout en ma\u00eetrisant les flux de sortie d'huile et d'eau du dessaleur.<\/p><p>Le projet a \u00e9valu\u00e9 simultan\u00e9ment deux objectifs : une teneur en sel inf\u00e9rieure \u00e0 3 mg\/L dans le brut dessal\u00e9 et une teneur en hydrocarbures inf\u00e9rieure \u00e0 400 mg\/L dans l'effluent aqueux du dessaleur. Cela a permis \u00e0 la raffinerie d'obtenir une vision concr\u00e8te des performances de s\u00e9paration de part et d'autre de l'interface. R\u00e9duire la teneur en sel du brut constituait l'un des objectifs, tandis que limiter l'entra\u00eenement d'hydrocarbures dans l'effluent en repr\u00e9sentait un autre. Le traitement devait permettre d'atteindre ces deux buts dans le respect des conditions d'exploitation de la raffinerie.<\/p><\/div><\/section><section class=\"ccr-section\" id=\"case-section-2\"><h2>Le r\u00f4le de Northshore CC8290<\/h2><div><p>Northshore CC8290 est un d\u00e9s\u00e9mulsifiant de Cestoil soluble dans l'huile et dispersible dans l'eau. La raffinerie l'a inject\u00e9 au moyen d'un \u00e9quipement de dosage automatis\u00e9 sur deux conduites de p\u00e9trole brut. Les taux de traitement ont \u00e9t\u00e9 d\u00e9termin\u00e9s en fonction de la s\u00e9v\u00e9rit\u00e9 de l'\u00e9mulsion et de la teneur en sel, les conditions relatives \u00e0 l'eau de lavage \u00e9tant \u00e9galement \u00e9valu\u00e9es dans le cadre de ce m\u00eame programme.<\/p><p>L'\u00e9valuation du produit sur site ne s'est donc pas limit\u00e9e au choix d'un produit chimique et au maintien d'un d\u00e9bit d'injection constant. L'\u00e9quipe de la raffinerie et celle du service technique ont utilis\u00e9 les r\u00e9sultats mesur\u00e9s en mati\u00e8re de s\u00e9paration pour d\u00e9terminer si le traitement restait adapt\u00e9. Cette approche est particuli\u00e8rement pertinente lorsqu'une installation traite des m\u00e9langes de p\u00e9troles bruts variables et n\u00e9cessite que le programme de d\u00e9s\u00e9mulsification s'adapte au comportement de la charge entrante.<\/p><\/div><\/section><section class=\"ccr-section\" id=\"case-section-3\"><h2>Assistance technique pendant l'essai<\/h2><div><p>Au cours de l'\u00e9valuation de deux mois, les ing\u00e9nieurs ont surveill\u00e9 les performances de dessalage et ajust\u00e9 l'injection de produits chimiques ainsi que les ratios d'eau de lavage. Le rapport d'origine consid\u00e8re ces interventions comme faisant partie int\u00e9grante du programme ayant abouti \u00e0 ce r\u00e9sultat. Leur contribution m\u00e9rite de figurer dans l'historique du cas, car elle explique comment le traitement a \u00e9t\u00e9 g\u00e9r\u00e9 dans des conditions d'exploitation variables.<\/p><p>Pour une raffinerie comparable, un changement de m\u00e9lange de p\u00e9troles bruts doit entra\u00eener un examen de la qualit\u00e9 du brut entrant, du comportement de l'\u00e9mulsion et de la r\u00e9ponse du dessaleur. Le personnel de service et les op\u00e9rateurs peuvent alors d\u00e9terminer si un ajustement de l'injection de produits chimiques, une modification des param\u00e8tres d'exploitation ou une surveillance accrue sont n\u00e9cessaires. Un changement de m\u00e9lange de bruts ne n\u00e9cessite pas syst\u00e9matiquement une augmentation de la quantit\u00e9 de produits chimiques ; il impose une r\u00e9\u00e9valuation fond\u00e9e sur les performances r\u00e9elles de s\u00e9paration.<\/p><\/div><\/section><section class=\"ccr-section\" id=\"case-section-4\"><h2>Interpr\u00e9tation conjointe des r\u00e9sultats pour l'huile et l'eau<\/h2><div><p>La m\u00e9thode de suivi a permis d'\u00e9tablir un lien entre les caract\u00e9ristiques du brut entrant et les teneurs en sel du brut dessal\u00e9 ainsi qu'en hydrocarbures dans les eaux us\u00e9es. Les donn\u00e9es relatives \u00e0 la charge de l'unit\u00e9, \u00e0 l'injection de produits chimiques et \u00e0 l'eau de lavage fournissent le contexte n\u00e9cessaire \u00e0 l'interpr\u00e9tation de ces r\u00e9sultats. L'utilisation d'\u00e9chantillons appari\u00e9s aide l'\u00e9quipe d'exploitation \u00e0 d\u00e9terminer quelles conditions d'entr\u00e9e et quels param\u00e8tres de traitement correspondent \u00e0 chaque r\u00e9sultat observ\u00e9.<\/p><p>Cette approche est utile lorsque la teneur en sel de la charge varie. Si une teneur stable en sel dans le brut dessal\u00e9 peut t\u00e9moigner d'une ma\u00eetrise efficace du proc\u00e9d\u00e9, l'analyse de l'eau d'effluent reste n\u00e9cessaire pour \u00e9valuer la performance globale de la s\u00e9paration. Le suivi de ces deux indicateurs permet d'\u00e9viter une \u00e9valuation trop restreinte, fond\u00e9e sur un \u00e9chantillon favorable unique ou sur un seul flux de sortie. Il offre \u00e9galement \u00e0 l'\u00e9quipe de service une base plus fiable pour v\u00e9rifier si un ajustement a permis d'am\u00e9liorer le programme.<\/p><\/div><\/section><section class=\"ccr-section ccr-result\" id=\"case-section-5\"><h2>R\u00e9sultat signal\u00e9 : les deux objectifs du projet ont \u00e9t\u00e9 atteints.<\/h2><div><p>Le r\u00e9sum\u00e9 de l'\u00e9tude indique que les deux objectifs du projet ont \u00e9t\u00e9 atteints dans des conditions normales d'exploitation au cours de l'essai. La teneur en sel du brut dessal\u00e9 est demeur\u00e9e relativement stable, alors que la teneur en sel \u00e0 l'entr\u00e9e variait. Ce r\u00e9sultat confirme l'int\u00e9r\u00eat d'utiliser le CC8290 dans le cadre d'un programme de dessalage suivi, incluant un accompagnement technique et des ajustements op\u00e9rationnels.<\/p><p>Par cons\u00e9quent, cet essai doit \u00eatre consid\u00e9r\u00e9 comme la preuve de l'efficacit\u00e9 d'un programme de traitement adapt\u00e9 aux conditions de la raffinerie. Il ne permet pas d'\u00e9tablir la performance d'un dosage chimique fixe pour l'ensemble des m\u00e9langes de p\u00e9trole brut ou des charges de l'unit\u00e9. La pr\u00e9cision apport\u00e9e par la source concernant le d\u00e9roulement normal de l'essai est \u00e9galement importante : l'\u00e9valuation de perturbations inhabituelles n\u00e9cessiterait de disposer des relev\u00e9s relatifs \u00e0 ces \u00e9v\u00e9nements ainsi que de leur contexte op\u00e9rationnel.<\/p><\/div><\/section><section class=\"ccr-section\" id=\"case-section-6\"><h2>Ce que ce cas offre \u00e0 une autre raffinerie<\/h2><div><p>L'enseignement majeur r\u00e9side dans le lien entre le choix du d\u00e9s\u00e9mulsifiant, le service sur site et les performances de s\u00e9paration mesur\u00e9es. Une raffinerie traitant des charges de p\u00e9trole brut variables peut s'appuyer sur cet exemple pour structurer un essai tenant compte de la variabilit\u00e9 de son alimentation ainsi que de ses objectifs sp\u00e9cifiques en mati\u00e8re de teneur en sel du brut et de qualit\u00e9 des eaux de rejet. L'\u00e9valuation gagne ainsi en pertinence pour l'exploitation quotidienne, d\u00e9passant le simple cadre d'une comparaison en laboratoire.<\/p><p>Avant de commencer, rassemblez des donn\u00e9es repr\u00e9sentatives sur la qualit\u00e9 du brut, les variations de la charge de traitement, les conditions de l'eau de lavage ainsi que des \u00e9chantillons correspondants pr\u00e9lev\u00e9s en sortie de dessaleur. Suivez la consommation de produits chimiques parall\u00e8lement \u00e0 ces param\u00e8tres. Toute comparaison \u00e9conomique doit reposer sur des d\u00e9bits et des conditions de brut \u00e9quivalents, et inclure \u00e0 la fois le co\u00fbt des produits chimiques et celui des services associ\u00e9s. Le rapport r\u00e9capitulatif actuel pr\u00e9sente les performances op\u00e9rationnelles sans chiffrer les \u00e9conomies financi\u00e8res ; il convient donc d'\u00e9valuer la valeur \u00e9conomique \u00e0 partir des donn\u00e9es du nouveau site.<\/p><\/div><\/section><section class=\"ccr-request\" id=\"case-report\"><h2>Discuter d'un programme de dessalement soutenu par des services<\/h2><p>Demandez un examen du cas CC8290 pour analyser la mani\u00e8re dont ont \u00e9t\u00e9 \u00e9valu\u00e9s les param\u00e8tres de traitement, les ajustements de l'eau de lavage et les r\u00e9sultats appari\u00e9s concernant la teneur en sel du brut et la teneur en huile de l'effluent. Communiquez-nous les variations de brut et les probl\u00e8mes de s\u00e9paration auxquels vos op\u00e9rateurs sont le plus souvent confront\u00e9s, afin que la discussion puisse porter sur une \u00e9valuation pertinente. Les documents relatifs \u00e0 ce cas ant\u00e9rieur sont soumis \u00e0 v\u00e9rification et \u00e0 disponibilit\u00e9 ; Cestoil pourra confirmer le contenu du dossier de rapport actuel lors de l'examen de votre demande.<\/p><a class=\"ccr-button\" href=\"https:\/\/www.cestoil.com\/fr\/demander-une-etude-de-cas\/?case=1704\">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 de l'\u00e9tude de cas de la raffinerie Cestoil Northshore (produit CC8290) ; essai de dessalage surveill\u00e9 d'une dur\u00e9e de deux mois.<\/p><nav class=\"ccr-links\" aria-label=\"Pages connexes\"><a href=\"\/fr\/applications-des-produits\/solutions-de-procedes-de-raffinage\/\">D\u00e9couvrez les solutions de proc\u00e9d\u00e9s de raffinage<\/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>Northshore CC8290 a soutenu un programme de dessalage contr\u00f4l\u00e9, malgr\u00e9 les variations des types de p\u00e9trole brut et des charges de traitement.<\/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-1704","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=\"Northshore CC8290 supported a monitored desalting program across changing crude slates and processing loads. 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