{"id":4344,"date":"2007-03-06T10:25:00","date_gmt":"2007-03-06T10:25:00","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2007\/03\/06\/bois-ltat-des-l-1\/"},"modified":"2012-07-12T09:51:47","modified_gmt":"2012-07-12T09:51:47","slug":"bois-ltat-des-l-1","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2007\/03\/06\/bois-ltat-des-l-1\/","title":{"rendered":"Bois : l&rsquo;\u00e9tat des lieux II"},"content":{"rendered":"<p><a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/photos_391.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"187\"  src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/photos_39.jpg\" alt=\"Photos_39\" style=\"margin: 0px 5px 5px 0px;float: left\" \/><\/a>2\/3 de la biomasse consomm\u00e9e \u00e0 l&rsquo;heure actuelle. Effectivement, une marge de manoeuvre existe, elle est sans doute beaucoup plus grande que cela : l&rsquo;exploitation d&rsquo;un bois laisse la moiti\u00e9 de la <a href=\"http:\/\/www.passerelleco.info\/rubrique.php3?id_rubrique=15\">biomasse <\/a>sur place, et elle n&rsquo;est \u00e0 l&rsquo;heure actuelle que rarement r\u00e9cup\u00e9r\u00e9e. Dans une scierie, une autre moiti\u00e9 de la production part en d\u00e9chet : sciure et \u00e9corce. La chaudi\u00e8re \u00e0 pellet, au d\u00e9part parlait de r\u00e9cup\u00e9rer la sciure. Seul probl\u00e8me signal\u00e9, c&rsquo;est que la sciure, il y tr\u00e9s longtemps qu&rsquo;elle est r\u00e9cup\u00e9r\u00e9e pour l&rsquo;<a href=\"http:\/\/www.bois.com\/choix-produits-materiaux\/lexique-bois\/terme\/?agglomere\">agglom\u00e9r\u00e9<\/a>. Les &quot;vrais d\u00e9chets&quot; sont les abandons sur les chantiers d&rsquo;abattage et les \u00e9corces.<\/p>\n<p>Cette marge de manoeuvre ne suffirait pas \u00e0 combler tous les besoins du pays en chauffage, et comme la seule bonne \u00e9nergie est celle qu&rsquo;on ne consomme pas, il serait pr\u00e9f\u00e9rable donc de passer \u00e0 la maison passive. On passerait tr\u00e9s vite d&rsquo;une situation exc\u00e9dentaire en France \u00e0 une situation de tension, puis \u00e0 un recul des for\u00eats. <br \/>De plus, un autre d\u00e9bouch\u00e9 va s&rsquo;offrir au bois dans les prochaines ann\u00e9es : l&rsquo;<a href=\"http:\/\/www.iogen.ca\/news_events\/press_releases\/2004_04_21f.html\">\u00e9thanol cellulosique<\/a>.<br \/>Au Canada, on travaille beaucoup sur la question. Les bois sont vastes, peu entretenus et fr\u00e9quemment attaqu\u00e9s par des bestioles en tout genre. L\u00e0 aussi, la mise au point d&rsquo;une technologie de r\u00e9cup\u00e9ration permet d&rsquo;utiliser ces bois sans valeur aucune.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>2\/3 de la biomasse consomm\u00e9e \u00e0 l&rsquo;heure actuelle. Effectivement, une marge de manoeuvre existe, elle est sans doute beaucoup plus grande que cela : l&rsquo;exploitation d&rsquo;un bois laisse la moiti\u00e9 de la biomasse sur place, et elle n&rsquo;est \u00e0 l&rsquo;heure actuelle que rarement r\u00e9cup\u00e9r\u00e9e. Dans une scierie, une autre moiti\u00e9 de la production part en [&hellip;]<\/p>\n","protected":false},"author":198,"featured_media":5084,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,6],"tags":[2045],"class_list":["post-4344","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","category-rechauffement-climatique","tag-biomasse-agglomere-ethanol-cellulosique"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Bois : l&#039;\u00e9tat des lieux II - 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\/2007\/03\/06\/bois-ltat-des-l-1\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Bois : l&#039;\u00e9tat des lieux II - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"2\/3 de la biomasse consomm\u00e9e \u00e0 l&rsquo;heure actuelle. 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