{"id":3519,"date":"2007-11-18T13:06:04","date_gmt":"2007-11-18T13:06:04","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2007\/11\/18\/la-production-d-5\/"},"modified":"2012-07-12T10:09:59","modified_gmt":"2012-07-12T10:09:59","slug":"la-production-d-5","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2007\/11\/18\/la-production-d-5\/","title":{"rendered":"La production de ciment source importante de CO2"},"content":{"rendered":"

\"Energy_mix\"<\/a>                    A la New York State Recycling Conference, N. Neithalath  a rappel\u00e9 que le deuxi\u00e8me produit le plus consomm\u00e9 apr\u00e8s l’eau dans le monde… c’est le b\u00e9ton<\/u>.<\/p>\n

                   Aujourd’hui le monde consomme, annuellement, 12 milliards de tonnes de b\u00e9ton. Bien s\u00fbr, c’est la Chine qui fait cro\u00eetre le plus la consommation. Le b\u00e9ton est un excellent produit, mais il contient sa part de pollution \u00e9mise lors de l’\u00e9laboration du ciment. L’extraction et la fabrication de ciment participent pour environ 7% des \u00e9missions de CO2 dans le monde<\/u>. C’est consid\u00e9rable, c’est trois fois plus environ que les \u00e9missions de CO2 de l’aviation civile et militaire mondiale, par exemple. Il y a l\u00e0 un champ d’action dans lequel les ressources \u00e9nerg\u00e9tiques renouvelables pourraient s’appliquer largement pour alimenter les fours rotatifs port\u00e9s \u00e0 1500\u00b0C.  Le Groupe Lafarge affirme que pr\u00e8s de 11% de l’\u00e9nergie consomm\u00e9e dans ses usines provient de ressources alternatives, dont 70% en Allemagne et 33% en France. Cel\u00e0 signifie que c’est beaucoup plus faible ailleurs. Son objectif est de faire cro\u00eetre cette part \u00e0 14% en 2010. C’est bien lent et m\u00e9riterait d’\u00eatre plus aid\u00e9 et acc\u00e9l\u00e9r\u00e9, partout dans le monde.<\/p>\n","protected":false},"excerpt":{"rendered":"

                    A la New York State Recycling Conference, N. Neithalath  a rappel\u00e9 que le deuxi\u00e8me produit le plus consomm\u00e9 apr\u00e8s l’eau dans le monde… c’est le b\u00e9ton.                    Aujourd’hui le monde consomme, annuellement, 12 milliards de tonnes de b\u00e9ton. Bien s\u00fbr, c’est la […]<\/p>\n","protected":false},"author":341,"featured_media":6772,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-3519","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-rechauffement-climatique"],"yoast_head":"\nLa production de ciment source importante de CO2 - 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\/11\/18\/la-production-d-5\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"La production de ciment source importante de CO2 - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"                    A la New York State Recycling Conference, N. Neithalath  a rappel\u00e9 que le deuxi\u00e8me produit le plus consomm\u00e9 apr\u00e8s l’eau dans le monde… c’est le b\u00e9ton.                    Aujourd’hui le monde consomme, annuellement, 12 milliards de tonnes de b\u00e9ton. 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