{"id":1741,"date":"2026-09-05T18:03:21","date_gmt":"2026-09-05T23:03:21","guid":{"rendered":"https:\/\/cestoil.com\/?page_id=1741"},"modified":"2026-09-06T08:49:29","modified_gmt":"2026-09-06T13:49:29","slug":"optimisation-du-dessalage-par-pretraitement-du-brut","status":"publish","type":"page","link":"https:\/\/www.cestoil.com\/fr\/solutions\/crude-pretreatment-desalting-optimization\/","title":{"rendered":"Optimisation du pr\u00e9traitement et du dessalage du brut"},"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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class=\"cpr-page sol-page\"><nav class=\"cpr-breadcrumb\" aria-label=\"Fil d&#039;Ariane\"><a href=\"\/fr\/solutions\/\">Solutions<\/a><span aria-hidden=\"true\">\/<\/span><a href=\"\/fr\/solutions\/#process-optimization\">Optimisation des processus<\/a><\/nav><header class=\"cpr-hero\"><div><p class=\"cpr-kicker\">Optimisation des processus \u00b7 Solution technique<\/p><h1>Optimisation du pr\u00e9traitement et du dessalage du brut<\/h1><p class=\"cpr-lead\">Coordonner le pr\u00e9traitement du parc de stockage et la chimie du dessaleur en fonction du m\u00e9lange de bruts, de la charge en eau et en solides, et des conditions de s\u00e9paration disponibles.<\/p><a class=\"cpr-button\" href=\"\/fr\/contact\/\">Discutez de votre application<\/a><\/div><figure><img src=\"https:\/\/www.cestoil.com\/wp-content\/uploads\/crudeoiltank.jpg\" alt=\"\" decoding=\"async\"><figcaption class=\"sol-note\">L'image illustre le contexte d'application.<\/figcaption><\/figure><\/header><aside class=\"sol-steps\" aria-label=\"Approche\"><p><strong>\u00c9valuer<\/strong>\u00c9tablir le contexte op\u00e9rationnel et la r\u00e9f\u00e9rence de base.<\/p><p><strong>S\u00e9lectionner<\/strong>Adaptez la chimie et la lib\u00e9ration \u00e0 l'application.<\/p><p><strong>\u00c9valuer<\/strong>Examinez la r\u00e9ponse ainsi que les modifications op\u00e9rationnelles.<\/p><\/aside><section class=\"cpr-section\"><h2>Le d\u00e9fi op\u00e9rationnel<\/h2><div class=\"cpr-body\"><p>Les variations de l'approvisionnement en p\u00e9trole brut peuvent affecter la stabilit\u00e9 des \u00e9mulsions, la s\u00e9paration de l'eau et l'\u00e9limination des solides. Une couche d'interphase persistante, la pr\u00e9sence d'huile dans l'effluent du dessaleur ou de l'eau r\u00e9siduelle dans le brut trait\u00e9 peuvent indiquer qu'il convient de r\u00e9examiner conjointement le traitement et les conditions op\u00e9ratoires.<\/p><p>L'\u00e9valuation commence en amont du dessaleur. Le stockage, la s\u00e9quence de m\u00e9lange et le temps de s\u00e9jour peuvent influencer la charge qui alimente l'unit\u00e9.<\/p><\/div><\/section><section class=\"cpr-section\"><h2>\u00c9tablir une base de r\u00e9f\u00e9rence<\/h2><div class=\"cpr-body\"><p>Examiner les \u00e9chantillons bruts repr\u00e9sentatifs, les changements de m\u00e9lange et les dossiers d'exploitation avant de s\u00e9lectionner un traitement. Distinguer les mesures de l'eau, du sel et des mati\u00e8res en suspension ; un changement dans l'un n'\u00e9tablit pas que les autres se sont am\u00e9lior\u00e9s.<\/p><ul><li>Composition du m\u00e9lange de brut, teneur en eau et en sel, et solides ou m\u00e9taux pertinents<\/li><li>Temp\u00e9rature du r\u00e9servoir, temps de s\u00e9jour, condition de l'interface et dispositifs de pr\u00e9l\u00e8vement d'eau<\/li><li>Eau de lavage du dessaleur, conditions de m\u00e9lange, stabilit\u00e9 \u00e9lectrique et qualit\u00e9 des effluents<\/li><\/ul><\/div><\/section><section class=\"cpr-section\"><h2>Coordonner le traitement<\/h2><div class=\"cpr-body\"><p>Cestoil \u00e9value les options de pr\u00e9traitement et de d\u00e9s\u00e9mulsifiant en fonction du brut vis\u00e9 et des conditions de s\u00e9paration. Un pr\u00e9traitement au parc de stockage peut \u00eatre envisag\u00e9 lorsque du temps de contact et de d\u00e9cantation suppl\u00e9mentaire est disponible. Le traitement par dessaleur est ensuite \u00e9valu\u00e9 avec le m\u00e9lange r\u00e9el et le programme d'exploitation existant.<\/p><p>Lorsqu'un probl\u00e8me de compatibilit\u00e9 des m\u00e9langes ou un probl\u00e8me li\u00e9 au fer ou au calcium est identifi\u00e9, l'\u00e9valuation peut inclure un composant de traitement suppl\u00e9mentaire. Son interaction avec la d\u00e9s\u00e9mulsification et la gestion de l'eau et des solides s\u00e9par\u00e9s doit \u00eatre v\u00e9rifi\u00e9e ; toutes les esp\u00e8ces m\u00e9talliques ne r\u00e9agissent pas de la m\u00eame mani\u00e8re.<\/p><\/div><\/section><section class=\"cpr-section\"><h2>\u00c9valuer les deux aspects de la s\u00e9paration<\/h2><div class=\"cpr-body\"><p>Comparez l'eau de brut trait\u00e9 et le sel, le comportement \u00e0 l'interface, la stabilit\u00e9 op\u00e9rationnelle du dessaleur et la teneur en huile dans l'effluent. Enregistrez les variations de m\u00e9lange, de temp\u00e9rature et de d\u00e9bit en m\u00eame temps que ces observations.<\/p><p>Utiliser des comparaisons en laboratoire pour s\u00e9lectionner les candidats, puis \u00e9valuer le programme dans des conditions d'usine contr\u00f4l\u00e9es. Une eau d'apparence plus propre ne d\u00e9montre pas \u00e0 elle seule une am\u00e9lioration de tous les param\u00e8tres des eaux us\u00e9es.<\/p><\/div><\/section><section class=\"cpr-section\"><h2>D\u00e9finir les limites d'application<\/h2><div class=\"cpr-body\"><p>Le choix du traitement d\u00e9pend du p\u00e9trole brut et des \u00e9quipements disponibles. D\u00e9finissez les objectifs de l'essai, les limites op\u00e9rationnelles et le plan de surveillance avec l'\u00e9quipe de la raffinerie. Des directives de manipulation et de traitement sp\u00e9cifiques au produit doivent \u00eatre \u00e9tablies pour la formulation choisie.<\/p><\/div><\/section><aside class=\"cpr-related\"><h2>Produits associ\u00e9s<\/h2><ul><li><a href=\"https:\/\/www.cestoil.com\/fr\/solutions\/produits-chimiques-de-traitement\/crude-oil-pretreatment\/\">Additifs de pr\u00e9traitement du p\u00e9trole brut<\/a><\/li><li><a href=\"https:\/\/www.cestoil.com\/fr\/solutions\/produits-chimiques-de-traitement\/demulsifiant\/\">D\u00e9mulsifiants pour p\u00e9trole brut<\/a><\/li><\/ul><h2>\u00c9tudes de cas d'applications<\/h2><ul><li><a href=\"https:\/\/www.cestoil.com\/fr\/etudes-de-cas\/crude-desalting-variable-feed\/\">Stabilisation du dessalage de brut dans des conditions d'alimentation variables<\/a><\/li><li><a href=\"https:\/\/www.cestoil.com\/fr\/etudes-de-cas\/crude-pretreatment-iron-carryover\/\">R\u00e9duction du transfert de fer vers la charge FCC gr\u00e2ce au pr\u00e9traitement du brut<\/a><\/li><\/ul><\/aside><section class=\"cpr-cta\"><h2>Discutez de votre d\u00e9fi op\u00e9rationnel<\/h2><p>Informations utiles pour un examen technique initial :<\/p><ul><li>M\u00e9lange de bruts actuel et changements r\u00e9cents<\/li><li>Analyses de l'eau, du sel, des mati\u00e8res solides et des m\u00e9taux pertinents<\/li><li>Tendances des dessaleurs, observations des effluents et probl\u00e8me de s\u00e9paration<\/li><\/ul><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>Coordonner le pr\u00e9traitement du parc de stockage et la chimie du dessaleur en fonction du m\u00e9lange de bruts, de la charge en eau et en solides, et des conditions de s\u00e9paration 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