{"id":1747,"date":"2026-09-05T18:03:23","date_gmt":"2026-09-05T23:03:23","guid":{"rendered":"https:\/\/cestoil.com\/?page_id=1747"},"modified":"2026-09-06T10:56:59","modified_gmt":"2026-09-06T15:56:59","slug":"gestion-de-la-corrosion-par-les-acides-naphteniques","status":"publish","type":"page","link":"https:\/\/www.cestoil.com\/fr\/solutions\/naphthenic-acid-corrosion-management\/","title":{"rendered":"Gestion de la corrosion par les acides napht\u00e9niques"},"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>Gestion de la corrosion par les acides napht\u00e9niques<\/h1><p class=\"cpr-lead\">Associer l'\u00e9valuation du brut et des fractions, l'examen des \u00e9quipements, la surveillance de la corrosion et la s\u00e9lection des inhibiteurs lors de l'\u00e9valuation du traitement des bruts \u00e0 haute acidit\u00e9.<\/p><a class=\"cpr-button\" href=\"\/fr\/contact\/\">Discutez de votre application<\/a><\/div><figure><img src=\"https:\/\/www.cestoil.com\/wp-content\/uploads\/Heat-Exchangers.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>\u00c9valuez le brut dans son contexte op\u00e9rationnel<\/h2><div class=\"cpr-body\"><p>Un brut plus acide soul\u00e8ve des questions quant \u00e0 l'endroit o\u00f9 les composants corrosifs vont se concentrer et quel \u00e9quipement sera expos\u00e9. Le m\u00e9lange de bruts, les propri\u00e9t\u00e9s de la fraction, la temp\u00e9rature, la m\u00e9tallurgie et les conditions d'\u00e9coulement doivent tous \u00eatre pris en compte dans l'\u00e9tude.<\/p><p>L'indice d'acide total est utile pour suivre les modifications des constituants acides, mais il ne doit pas \u00eatre utilis\u00e9 seul pour pr\u00e9dire la gravit\u00e9 de la corrosion ou pour d\u00e9finir une limite d'exploitation s\u00fbre.<\/p><\/div><\/section><section class=\"cpr-section\"><h2>Cartographiez les zones qui n\u00e9cessitent une attention particuli\u00e8re<\/h2><div class=\"cpr-body\"><p>Examinez l'unit\u00e9 de distillation brute et les circuits d'huile chaude associ\u00e9s avec les \u00e9quipes de corrosion et d'exploitation de la raffinerie. Les conditions locales pouvant avoir leur importance, un \u00e9chantillon moyen ou un seul point de surveillance peut ne pas repr\u00e9senter la surface la plus touch\u00e9e.<\/p><ul><li>Analyses du m\u00e9lange de brut et des fractions pertinentes<\/li><li>M\u00e9tallurgie des \u00e9quipements, temp\u00e9ratures de service et historique des inspections<\/li><li>Lignes de transfert, flux secondaires et emplacements soumis \u00e0 des conditions d'\u00e9coulement variables<\/li><\/ul><\/div><\/section><section class=\"cpr-section\"><h2>Combiner les m\u00e9thodes de surveillance<\/h2><div class=\"cpr-body\"><p>Utilisez le programme d'inspection et de surveillance de la corrosion du site pour \u00e9tablir une r\u00e9f\u00e9rence et suivre la r\u00e9ponse. Selon l'\u00e9quipement et l'acc\u00e8s, l'examen peut impliquer des mesures d'\u00e9paisseur, des sondes appropri\u00e9es et des analyses de fluides.<\/p><p>Les tendances des m\u00e9taux peuvent fournir des informations d'appoint, mais les variations du fer en phase huileuse ne constituent pas une mesure directe d'une vitesse de corrosion locale. Interpr\u00e9tez chaque mesure en tenant compte de son emplacement, des conditions d'\u00e9chantillonnage et de ses limites.<\/p><\/div><\/section><section class=\"cpr-section\"><h2>\u00c9valuer le traitement par inhibiteurs<\/h2><div class=\"cpr-body\"><p>Cestoil \u00e9value les options d'inhibiteurs de corrosion \u00e0 haute temp\u00e9rature pour le flux et les conditions d'exploitation pr\u00e9vus. La s\u00e9lection et la livraison des produits doivent tenir compte de l'exposition des surfaces, de la chimie existante et des exigences en aval.<\/p><p>Convenir du plan de traitement et de surveillance avec l'\u00e9quipe de la raffinerie. Le conditionnement initial et le traitement continu sont sp\u00e9cifiques \u00e0 l'application ; ni une formule d'indice d'acide fixe ni un programme de traitement historique ne doivent \u00eatre appliqu\u00e9s universellement.<\/p><\/div><\/section><section class=\"cpr-section\"><h2>V\u00e9rifier les r\u00e9sultats avant de modifier la plage de fonctionnement<\/h2><div class=\"cpr-body\"><p>\u00c9valuer les observations de corrosion parall\u00e8lement aux changements de m\u00e9lange de brut, de temp\u00e9rature, de d\u00e9bit et de traitement. Les conclusions devront \u00e9tayer une r\u00e9vision conjointe du programme et de toute modification op\u00e9rationnelle propos\u00e9e.<\/p><p>Le traitement chimique fait partie de la gestion de la corrosion. Il ne remplace ni l'inspection, ni l'ad\u00e9quation des \u00e9quipements, ni les limites d'exploitation de la raffinerie.<\/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\/high-temperature-corrosion-inhibitors\/\">Inhibiteurs de corrosion \u00e0 haute temp\u00e9rature<\/a><\/li><\/ul><h2>\u00c9tudes de cas d'applications<\/h2><ul><li><a href=\"https:\/\/www.cestoil.com\/fr\/etudes-de-cas\/high-acid-crude-corrosion-management\/\">Gestion de la corrosion \u00e0 haute temp\u00e9rature lors du traitement de bruts \u00e0 haute teneur en acides<\/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>Analyses du brut et des fractions et m\u00e9lange pr\u00e9vu<\/li><li>M\u00e9tallurgie, r\u00e9sultats d'inspection et emplacements de surveillance<\/li><li>Traitement actuel, contraintes aval et objectifs op\u00e9rationnels<\/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>Associer l'\u00e9valuation du brut et des fractions, l'examen des \u00e9quipements, la surveillance de la corrosion et la s\u00e9lection des inhibiteurs lors de l'\u00e9valuation du traitement des bruts \u00e0 haute acidit\u00e9.<\/p>","protected":false},"author":2,"featured_media":0,"parent":91,"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-1747","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 crude and fraction properties, equipment conditions, monitoring and inhibitor treatment for high-temperature naphthenic acid corrosion.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.cestoil.com\/fr\/solutions\/naphthenic-acid-corrosion-management\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO Pro (AIOSEO) 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