{"id":1119,"date":"2009-02-25T09:11:43","date_gmt":"2009-02-25T09:11:43","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/02\/25\/biothanol-de-de\/"},"modified":"2012-07-12T11:24:28","modified_gmt":"2012-07-12T11:24:28","slug":"biothanol-de-de","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/02\/25\/biothanol-de-de\/","title":{"rendered":"Bio\u00e9thanol de deuxi\u00e8me g\u00e9n\u00e9ration: les premiers enzymes viables commercialement seront disponibles en 2010"},"content":{"rendered":"<p><a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/novozymes3.gif\"><img loading=\"lazy\" decoding=\"async\" height=\"120\" alt=\"Novozymes\" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/novozymes1.gif\" width=\"250\"  \/><\/a>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; Le mythique bio\u00e9thanol de deuxi\u00e8me g\u00e9n\u00e9ration qui devrait, soi-disant, r\u00e9volutionner l&rsquo;approche industrielle des biocarburants et d\u00e9tr\u00f4ner l&rsquo;alcool de ma\u00efs, n&rsquo;est pas encore au point comme le d\u00e9montre la lenteur des d\u00e9veloppements aux Etats-Unis. <strong><span style=\"color: #000099\">Novozymes<\/span><\/strong>, un des grands mondiaux de la production d&rsquo;enzymes qui sont en charge de la d\u00e9gradation de la cellulose en sucres, \u00e9tape pr\u00e9alable \u00e0 la fermentation alcoolique, annonce qu&rsquo;il travaille sur une nouvelle classe de produits susceptible de r\u00e9pondre aux sp\u00e9cifications des proc\u00e9d\u00e9s industriels. Cette nouvelle g\u00e9n\u00e9ration, actuellement en test dans les laboratoires, serait susceptible d&rsquo;\u00eatre commercialement disponible en 2010 avec un prix r\u00e9duit de moiti\u00e9 par rapport aux prix actuels.<\/p>\n<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;Ces tribulations du d\u00e9veloppement d&rsquo;un produit cl\u00e9 du proc\u00e9d\u00e9, montrent que le proc\u00e9d\u00e9 industriel n&rsquo;est pas pr\u00eat et qu&rsquo;il est parfois tr\u00e8s long le chemin pour passer un process du laboratoire \u00e0 l&rsquo;usine. <\/p>\n<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; L&rsquo;autre \u00e9cueil de cette future fili\u00e8re est la disponibilit\u00e9 de la biomasse dans des conditions \u00e9cologiquement acceptables. De plus en plus de voix s&rsquo;\u00e9l\u00e8vent pour attirer l&rsquo;attention sur les dangers que pr\u00e9senterait un d\u00e9veloppement d\u00e9brid\u00e9 des biocarburants de deuxi\u00e8me g\u00e9n\u00e9ration. Un papier d&rsquo;une \u00e9quipe du MIT, reposant sur des \u00e9tudes de simulation, attire l&rsquo;attention sur les risques environnementaux de cette future voie.<\/p>\n<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; L&rsquo;approche qui pour l&rsquo;instant semble la plus raisonnable et la plus prometteuse est celle de <strong><span style=\"color: #000099\">Poet<\/span><\/strong>, le leader am\u00e9ricain de l&rsquo;\u00e9thanol de ma\u00efs, qui veut inclure dans toutes ses usines une boucle de production d&rsquo;\u00e9thanol de deuxi\u00e8me g\u00e9n\u00e9ration \u00e0 partir des rafles de ma\u00efs. C&rsquo;est une voie progressive et raisonnable pour accro\u00eetre les rendements de carburants \u00e0 l&rsquo;hectare et pour am\u00e9liorer le bilan \u00e9nerg\u00e9tique de l&rsquo;ensemble (<a href=\"http:\/\/www.leblogenergie.com\/2009\/01\/pour-une-politi.html\">LIRE<\/a>).<\/p>\n<p><a href=\"http:\/\/www.novozymes.com\/en\/MainStructure\/PressAndPublications\/PressRelease\/2009\/On+track+with+new+enzymes+for+cellulosic+ethanol.htm\">LIRE<\/a> l&rsquo;annonce de Novozymes.<\/p>\n<p>Le 25 F\u00e9vrier 2009.<\/p>\n<p>&#8211;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; Le mythique bio\u00e9thanol de deuxi\u00e8me g\u00e9n\u00e9ration qui devrait, soi-disant, r\u00e9volutionner l&rsquo;approche industrielle des biocarburants et d\u00e9tr\u00f4ner l&rsquo;alcool de ma\u00efs, n&rsquo;est pas encore au point comme le d\u00e9montre la lenteur des d\u00e9veloppements aux Etats-Unis. Novozymes, un des grands mondiaux de la production d&rsquo;enzymes qui sont en charge de [&hellip;]<\/p>\n","protected":false},"author":341,"featured_media":11965,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1119","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Bio\u00e9thanol de deuxi\u00e8me g\u00e9n\u00e9ration: les premiers enzymes viables commercialement seront disponibles en 2010 - 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\/02\/25\/biothanol-de-de\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Bio\u00e9thanol de deuxi\u00e8me g\u00e9n\u00e9ration: les premiers enzymes viables commercialement seront disponibles en 2010 - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; Le mythique bio\u00e9thanol de deuxi\u00e8me g\u00e9n\u00e9ration qui devrait, soi-disant, r\u00e9volutionner l&rsquo;approche industrielle des biocarburants et d\u00e9tr\u00f4ner l&rsquo;alcool de ma\u00efs, n&rsquo;est pas encore au point comme le d\u00e9montre la lenteur des d\u00e9veloppements aux Etats-Unis. 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