{"id":2621,"date":"2008-05-06T14:06:41","date_gmt":"2008-05-06T14:06:41","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2008\/05\/06\/exxonmobil-veut\/"},"modified":"2012-07-12T10:37:50","modified_gmt":"2012-07-12T10:37:50","slug":"exxonmobil-veut","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2008\/05\/06\/exxonmobil-veut\/","title":{"rendered":"ExxonMobil veut valider industriellement la capture du CO2 par proc\u00e9d\u00e9 cryog\u00e9nique"},"content":{"rendered":"

<\/a>\"Exxonbacon\"<\/a>                                         Les gaz naturels contiennent dans des proportions variables du CO2, de l’H2S et des impuret\u00e9s autres que le m\u00e9thane. Quand ils sont qualifi\u00e9s d’acides (sour acid gas) ces proportions de CO2 et d’H2S peuvent atteindre plusieurs dizaines de pourcent. La capture de ces gaz peut \u00eatre r\u00e9alis\u00e9e classiquement par des proc\u00e9d\u00e9s aux amines qui apr\u00e8s oxydation de l’H2S en Soufre, permet de capturer du CO2 et de le r\u00e9injecter comme le fait StatoilHydro au large de la Norv\u00e8ge sur sa plateforme Sleipner<\/a>. Mais un autre proc\u00e9d\u00e9 appel\u00e9 "Controlled Freeze Zone" ou "CFZ"<\/span><\/strong> semble \u00eatre une alternative int\u00e9ressante.<\/p>\n

                                         Cette m\u00e9thode \u00e9tudi\u00e9e il y a plus de vingt cinq ans par Robert Denton repose sur la cr\u00e9ation d’une phase liquide par dissolution cryog\u00e9nique du CO2 dans l’hydrog\u00e8ne sulfur\u00e9 liquide vers -80\u00b0C. Le m\u00e9thane parfaitement purifi\u00e9 demeure seul en phase gazeuse. Exxon Mobil a longtemps \u00e9tudi\u00e9 et \u00e9valu\u00e9 ce proc\u00e9d\u00e9. On lira avec int\u00e9r\u00eat une pr\u00e9sentation d’Exxon<\/a> sur ce sujet,  pr\u00e9sent\u00e9e en 2004. La phase liquide constitu\u00e9e de CO2 et d’H2S peut \u00eatre directement r\u00e9inject\u00e9e dans une couche g\u00e9ologique poreuse r\u00e9ceptrice.<\/p>\n

                                        ExxonMobil vient d’annoncer de vouloir investir plus de 100 M$ pour construire une unit\u00e9 commerciale de d\u00e9monstration de ce proc\u00e9d\u00e9 dans un gisement de gaz du Wyoming. Cette usine devrait entrer en activit\u00e9 en fin 2009 et pouvoir conduire des tests avec diverses compositions gazeuses pendant un \u00e0 deux ans. Exxon place cette activit\u00e9 parmi les nombreux projets de CCS auxquels il participe dans le monde.<\/p>\n

Lire le communiqu\u00e9 d’ExxonMobil<\/a> (en fran\u00e7ais)<\/p>\n

Le 6 Mai 2008<\/p>\n

–<\/p>\n","protected":false},"excerpt":{"rendered":"

                                         Les gaz naturels contiennent dans des proportions variables du CO2, de l’H2S et des impuret\u00e9s autres que le m\u00e9thane. Quand ils sont qualifi\u00e9s d’acides (sour acid gas) ces proportions de CO2 et d’H2S peuvent atteindre plusieurs dizaines de pourcent. La capture […]<\/p>\n","protected":false},"author":341,"featured_media":8728,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-2621","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-rechauffement-climatique"],"yoast_head":"\nExxonMobil veut valider industriellement la capture du CO2 par proc\u00e9d\u00e9 cryog\u00e9nique - 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\/05\/06\/exxonmobil-veut\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"ExxonMobil veut valider industriellement la capture du CO2 par proc\u00e9d\u00e9 cryog\u00e9nique - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"                                         Les gaz naturels contiennent dans des proportions variables du CO2, de l’H2S et des impuret\u00e9s autres que le m\u00e9thane. 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