{"id":726,"date":"2009-08-29T15:20:50","date_gmt":"2009-08-29T15:20:50","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/08\/29\/remplacer-le-charbon-par-du-bois-dans-les-centrales-thermiques-la-facon-la-plus-simple-de-valoriser\/"},"modified":"2012-07-12T11:49:56","modified_gmt":"2012-07-12T11:49:56","slug":"remplacer-le-charbon-par-du-bois-dans-les-centrales-thermiques-la-facon-la-plus-simple-de-valoriser","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/08\/29\/remplacer-le-charbon-par-du-bois-dans-les-centrales-thermiques-la-facon-la-plus-simple-de-valoriser\/","title":{"rendered":"Remplacer le charbon par du bois dans les centrales thermiques, la fa\u00e7on la plus simple de valoriser la biomasse"},"content":{"rendered":"<p><a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/6a00d83451b18369e20120a5855a17970c-pi.jpg\"><img decoding=\"async\" alt=\"Miscanthus-switchgrass\" class=\"at-xid-6a00d83451b18369e20120a5855a17970c \" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/6a00d83451b18369e20120a5855a17970c-200wi.jpg\" \/><\/a> &#160;&#160; La pression exerc\u00e9e par les Etats am\u00e9ricains sur les producteurs d&#039;\u00e9lectricit\u00e9 pour qu&#039;ils r\u00e9duisent leurs \u00e9missions de CO2, pousse&#160;les op\u00e9rateurs \u00e0 r\u00e9trofiter certaines de leurs centrales \u00e0 charbon en&#160;unit\u00e9s capables de&#160;br\u00fbler de la biomasse constitu\u00e9e de cultures d\u00e9di\u00e9es,&#160;de taillis et autres chutes de l&#039;exploitation du bois ou de divers autres d\u00e9chets. Le Department of Energy am\u00e9ricain cite le cas de l&#039;Ohio Edison Company qui, accus\u00e9e de pollution excessive,&#160;a trouv\u00e9 un accord aupr\u00e8s de la Justice locale pour r\u00e9trofiter deux tranches de centrales au charbon repr\u00e9sentant 312 MWe en&#160;unit\u00e9s br\u00fblant essentiellement de la biomasse, avec au maximum 20% de charbon. Ces unit\u00e9s seront op\u00e9rationnelles en 2012 et seront aliment\u00e9es en circuit ferm\u00e9 par des cultures d\u00e9di\u00e9es.<\/p>\n<p>&#160;&#160;&#160; Le cas de la Soci\u00e9t\u00e9 ADAGE filiale d&#039;AREVA et de Duke Energy est \u00e9galement cit\u00e9. Cette entreprise a d\u00e9fini une unit\u00e9 type de 50MWe aliment\u00e9e des taillis et autres d\u00e9chets de l&#039;exploitation du bois. Elle doit installer la premi\u00e8re unit\u00e9 dans le Nord de la Floride (<a href=\"http:\/\/www.adagebiopower.com\/news\/news_first_facility.php\" target=\"_blank\" title=\"ADAGE biomasse\">LIRE<\/a>).<\/p>\n<p>&#160;&#160; Les projets de centrales thermiques&#160;\u00e0 base de biomasse sont g\u00e9n\u00e9ralement de taille r\u00e9duite (entre 30 et 100MW) &#160;en raison de la faible \u00e9nergie volumique du bois (<a href=\"http:\/\/www.leblogenergie.com\/2009\/05\/premier-cours-d%C3%A9cologie-%C3%A9nerg%C3%A9tique-ne-pas-se-gourer-dordre-de-grandeur.html\" target=\"_blank\" title=\"limites de la biomasse\">LIRE<\/a>). Les probl\u00e8mes de logistique et d&#039;approvisionnement du bois pour alimenter de fa\u00e7on continue la centrale d\u00e9terminent la puissance de l&#039;unit\u00e9. Cette contrainte limitera dans le futur tous les projets \u00e0 base de biomasse, quelles que soient les cultures utilis\u00e9es et les formes d&#039;\u00e9nergie \u00e0 produire. Ce sont des unit\u00e9s&#160;qui s&#039;approvisionneront&#160;dans une aire du territoire de la taille d&#039;un&#160;county am\u00e9ricain ou&#160;de quelques&#160;cantons fran\u00e7ais, comme le font aujourd&#039;hui les unit\u00e9s de production d&#039;\u00e9thanol \u00e0 partir de ma\u00efs aux Etats-Unis.<\/p>\n<p><a href=\"http:\/\/apps1.eere.energy.gov\/news\/news_detail.cfm\/news_id=14861\" target=\"_blank\" title=\"DOE biomasse\">LIRE<\/a> l&#039;article du DOE<\/p>\n<p>Le 29 Ao\u00fbt 2009<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#160;&#160; La pression exerc\u00e9e par les Etats am\u00e9ricains sur les producteurs d&#039;\u00e9lectricit\u00e9 pour qu&#039;ils r\u00e9duisent leurs \u00e9missions de CO2, pousse&#160;les op\u00e9rateurs \u00e0 r\u00e9trofiter certaines de leurs centrales \u00e0 charbon en&#160;unit\u00e9s capables de&#160;br\u00fbler de la biomasse constitu\u00e9e de cultures d\u00e9di\u00e9es,&#160;de taillis et autres chutes de l&#039;exploitation du bois ou de divers autres d\u00e9chets. Le Department of [&hellip;]<\/p>\n","protected":false},"author":341,"featured_media":20827,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,6],"tags":[],"class_list":["post-726","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","category-rechauffement-climatique"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Remplacer le charbon par du bois dans les centrales thermiques, la fa\u00e7on la plus simple de valoriser la biomasse - 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\/2009\/08\/29\/remplacer-le-charbon-par-du-bois-dans-les-centrales-thermiques-la-facon-la-plus-simple-de-valoriser\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Remplacer le charbon par du bois dans les centrales thermiques, la fa\u00e7on la plus simple de valoriser la biomasse - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"&#160;&#160; La pression exerc\u00e9e par les Etats am\u00e9ricains sur les producteurs d&#039;\u00e9lectricit\u00e9 pour qu&#039;ils r\u00e9duisent leurs \u00e9missions de CO2, pousse&#160;les op\u00e9rateurs \u00e0 r\u00e9trofiter certaines de leurs centrales \u00e0 charbon en&#160;unit\u00e9s capables de&#160;br\u00fbler de la biomasse constitu\u00e9e de cultures d\u00e9di\u00e9es,&#160;de taillis et autres chutes de l&#039;exploitation du bois ou de divers autres d\u00e9chets. 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