{"id":371,"date":"2010-06-16T11:56:50","date_gmt":"2010-06-16T11:56:50","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2010\/06\/16\/accord-entre-le-danois-novozymes-et-le-canadien-lignol-pour-mettre-au-point-un-procede-dalcool-cellu\/"},"modified":"2012-07-12T12:16:23","modified_gmt":"2012-07-12T12:16:23","slug":"accord-entre-le-danois-novozymes-et-le-canadien-lignol-pour-mettre-au-point-un-procede-dalcool-cellu","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2010\/06\/16\/accord-entre-le-danois-novozymes-et-le-canadien-lignol-pour-mettre-au-point-un-procede-dalcool-cellu\/","title":{"rendered":"Accord entre le danois Novozymes et le canadien Lignol pour mettre au point un proc\u00e9d\u00e9 d&rsquo;alcool cellulosique \u00e9conomiquement viable"},"content":{"rendered":"<p> &#160;&#160; Les temps sont durs dans la d\u00e9finition de proc\u00e9d\u00e9s de production d&#039;\u00e9thanol \u00e0 partir de cellulose qui soient <span style=\"text-decoration: underline\">industriellement viables<\/span>. Les voies technologiques possibles sont nombreuses sur le papier, mais l&#039;\u00e9quation \u00e9conomique n\u00e9cessite de d\u00e9finir des proc\u00e9d\u00e9s agricoles simples, mis en \u0153uvre dans de petites unit\u00e9s \u00e0 la taille du canton, ressemblant par leur tailles aux usines existantes utilisant le ma\u00efs comme ressource, pilot\u00e9es par quelques dizaines d&#039;op\u00e9rateurs. On est loin des grands r\u00eaves d&#039;immenses unit\u00e9s de BTL (biomass to liquid), sortes d&#039;immenses unit\u00e9s de conversion ressemblant \u00e0 des raffineries de p\u00e9trole et dont on ne sait toujours pas d&#039;o\u00f9 et par quels moyens logistiques proviendraient les millions de tonnes de bois n\u00e9cessaires \u00e0 les alimenter. <\/p>\n<p> <a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/6a00d83451b18369e20133f1482174970b-pi.png\"><img decoding=\"async\" alt=\"Lignol[2]\" class=\"asset asset-image at-xid-6a00d83451b18369e20133f1482174970b \" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/6a00d83451b18369e20133f1482174970b-450wi.png\" style=\"width: 450px\" \/><\/a>  <\/p>\n<p>&#160;La preuve de ces difficult\u00e9s est apport\u00e9e par l&#039;annonce de l&#039;alliance bien tardive conclue entre le danois <span style=\"color: #0000bf\">Novozymes<\/span> et le canadien <span style=\"color: #0000bf\">Lignol<\/span> dans la mise au point d&#039;un tel proc\u00e9d\u00e9 \u00e9conomiquement soutenable. Le premier apporte son expertise dans la d\u00e9finition et la production d&#039;enzymes de conversion de la cellulose en sucres, le second apporte un proc\u00e9d\u00e9 d&#039;extraction par solvants de la cellulose \u00e0 partir de diverses mati\u00e8res premi\u00e8res, mis au point par l&#039;excellent Dr Kendall Pye. Les int\u00e9r\u00eats majeurs du proc\u00e9d\u00e9 Lignol r\u00e9sident dans la puret\u00e9 de la cellulose extraite qui doit permettre d&#039;atteindre des &quot;bi\u00e8res&quot;&#160; concentr\u00e9es en alcool et dans la possible valorisation des r\u00e9sidus ligneux par la production de panneaux de particules et autres produits d\u00e9riv\u00e9s (FIG.). L&#039;alliance des deux industriels pourrait conduire un jour \u00e0 d\u00e9finir un proc\u00e9d\u00e9 \u00e9conomiquement viable \u00e0 partir d&#039;enzymes efficaces et d&#039;un prix abordable, mises en \u0153uvre&#160; dans un proc\u00e9d\u00e9 qui valoriserait au mieux les sous-produits. Mais la r\u00e9ussite de tels projets n\u00e9cessite bien des efforts que les divers plans plus ou moins fumeux de mont\u00e9es en cadence des productions d&#039;\u00e9thanol cellulosique \u00e9labor\u00e9s jusque l\u00e0 avaient de toute \u00e9vidence sous-estim\u00e9s.<\/p>\n<p><a href=\"http:\/\/www.novozymes.com\/en\/MainStructure\/PressAndPublications\/PressRelease\/2010\/Novozymes+and+Lignol+sign+deal+to+make+biofuel+from+wood.htm\" target=\"_blank\" title=\"Novozymes\">LIRE <\/a>le communiqu\u00e9 de Novozymes. <\/p>\n<p>Le 16 Juin 2010<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#160;&#160; Les temps sont durs dans la d\u00e9finition de proc\u00e9d\u00e9s de production d&#039;\u00e9thanol \u00e0 partir de cellulose qui soient industriellement viables. Les voies technologiques possibles sont nombreuses sur le papier, mais l&#039;\u00e9quation \u00e9conomique n\u00e9cessite de d\u00e9finir des proc\u00e9d\u00e9s agricoles simples, mis en \u0153uvre dans de petites unit\u00e9s \u00e0 la taille du canton, ressemblant par leur [&hellip;]<\/p>\n","protected":false},"author":341,"featured_media":22043,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,14],"tags":[],"class_list":["post-371","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bio-carburants","category-biologique"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Accord entre le danois Novozymes et le canadien Lignol pour mettre au point un proc\u00e9d\u00e9 d&#039;alcool cellulosique \u00e9conomiquement viable - 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\/2010\/06\/16\/accord-entre-le-danois-novozymes-et-le-canadien-lignol-pour-mettre-au-point-un-procede-dalcool-cellu\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Accord entre le danois Novozymes et le canadien Lignol pour mettre au point un proc\u00e9d\u00e9 d&#039;alcool cellulosique \u00e9conomiquement viable - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"&#160;&#160; Les temps sont durs dans la d\u00e9finition de proc\u00e9d\u00e9s de production d&#039;\u00e9thanol \u00e0 partir de cellulose qui soient industriellement viables. 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