{"id":2918,"date":"2008-03-09T12:51:48","date_gmt":"2008-03-09T12:51:48","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2008\/03\/09\/chevron-un-proc\/"},"modified":"2012-07-12T10:29:03","modified_gmt":"2012-07-12T10:29:03","slug":"chevron-un-proc","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2008\/03\/09\/chevron-un-proc\/","title":{"rendered":"Chevron: un proc\u00e9d\u00e9 d&rsquo;hydrocracking de nouvelle g\u00e9n\u00e9ration"},"content":{"rendered":"<p><a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/texas2.gif\"><\/a><a href=\"http:\/\/clabedan.typepad.com\/photos\/uncategorized\/2008\/03\/09\/texas_2.gif\"><\/a><a href=\"http:\/\/clabedan.typepad.com\/photos\/uncategorized\/2008\/03\/09\/texas1.jpg\"><\/a><a href=\"http:\/\/clabedan.typepad.com\/photos\/uncategorized\/2008\/03\/09\/texas1_2.jpg\"><img loading=\"lazy\" decoding=\"async\" height=\"156\" alt=\"Texas1_2\" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/texas1_2.jpg\" width=\"250\"  \/><\/a>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; La conversion profonde des huiles r\u00e9siduaires de distillation, de p\u00e9troles lourds ou d&rsquo;huiles lourdes extraites des sables bitumineux est un des probl\u00e8mes majeurs d&rsquo;am\u00e9lioration des rendements des raffineries et de la rentabilit\u00e9 des op\u00e9rations. Dans ces op\u00e9rations de conversion profonde l&rsquo;hydrocracking qui va scinder les hydrocarbures lourds et apporter l&rsquo;hydrog\u00e8ne n\u00e9cessaire, est l&rsquo;\u00e9tape cl\u00e9 du proc\u00e9d\u00e9 de conversion. C&rsquo;est de cette r\u00e9action que d\u00e9pendent les rendements en carburants et naphta, de forte valorisation, qui vont \u00eatre obtenus aux d\u00e9pens de r\u00e9sidus carbon\u00e9s de tr\u00e8s faibles valeurs. Chevron, deuxi\u00e8me p\u00e9troli\u00e8re US apr\u00e8s ExxonMobil, annonce avoir mis au point un nouveau proc\u00e9d\u00e9 appel\u00e9 <strong><span style=\"color: #3300cc\">Vacuum Resid Slurry Hydrocracking ou VRSH <\/span><\/strong>qui pr\u00e9senterait un taux de conversion des charges les plus lourdes, proche des 100%, \u00e0 comparer aux 80% ou moins des proc\u00e9d\u00e9s existants.<\/p>\n<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; Ce proc\u00e9d\u00e9 qui est un &quot;slurry process&quot; ou le r\u00e9actant, l&rsquo;hydrog\u00e8ne et le catalyseur sont intimement mis en contact. Le catalyseur est r\u00e9g\u00e9n\u00e9r\u00e9 en continu dans une boucle parall\u00e8le. Chevron va lancer une unit\u00e9 de validation pre-commerciale de 3500 barils par jour de capacit\u00e9, de ce proc\u00e9d\u00e9 dans sa raffinerie de Pascagoula, Mississipi. Cette \u00e9tape en &quot;dixi\u00e8me de grand&quot; lui permettra d&rsquo;affiner les param\u00e8tres et la stabilit\u00e9 du proc\u00e9d\u00e9 en fonction de la nature des charges.<\/p>\n<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;L&rsquo;am\u00e9lioration des taux de conversion des r\u00e9actions dans les raffineries est une fa\u00e7on \u00e9l\u00e9gante et hautement rentable d&rsquo;am\u00e9liorer le rendement global des op\u00e9rations qui vont de l&rsquo;extraction du p\u00e9trole brut \u00e0 la distribution de produits raffin\u00e9s. C&rsquo;est un axe strat\u00e9gique \u00e9vident en p\u00e9riode de rar\u00e9faction de la ressource primaire.<\/p>\n<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;<a href=\"http:\/\/www.chevron.com\/media\/VRSH\/VRSH.html\">Voir la video de Chevron<\/a>. (en am\u00e9ricain) <\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; La conversion profonde des huiles r\u00e9siduaires de distillation, de p\u00e9troles lourds ou d&rsquo;huiles lourdes extraites des sables bitumineux est un des probl\u00e8mes majeurs d&rsquo;am\u00e9lioration des rendements des raffineries et de la rentabilit\u00e9 des op\u00e9rations. Dans ces op\u00e9rations de conversion profonde l&rsquo;hydrocracking qui va scinder les hydrocarbures lourds [&hellip;]<\/p>\n","protected":false},"author":341,"featured_media":8096,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-2918","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-energie-fossile"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Chevron: un proc\u00e9d\u00e9 d&#039;hydrocracking de nouvelle g\u00e9n\u00e9ration - leblogenergie.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2008\/03\/09\/chevron-un-proc\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Chevron: un proc\u00e9d\u00e9 d&#039;hydrocracking de nouvelle g\u00e9n\u00e9ration - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; La conversion profonde des huiles r\u00e9siduaires de distillation, de p\u00e9troles lourds ou d&rsquo;huiles lourdes extraites des sables bitumineux est un des probl\u00e8mes majeurs d&rsquo;am\u00e9lioration des rendements des raffineries et de la rentabilit\u00e9 des op\u00e9rations. 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