{"id":182,"date":"2011-04-12T09:59:54","date_gmt":"2011-04-12T09:59:54","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2011\/04\/12\/alcoa-croissance-a-deux-chiffres-de-la-demande-daluminium-dans-le-monde\/"},"modified":"2012-07-12T12:29:58","modified_gmt":"2012-07-12T12:29:58","slug":"alcoa-croissance-a-deux-chiffres-de-la-demande-daluminium-dans-le-monde","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2011\/04\/12\/alcoa-croissance-a-deux-chiffres-de-la-demande-daluminium-dans-le-monde\/","title":{"rendered":"Alcoa: croissance \u00e0 deux chiffres de la demande d&rsquo;Aluminium dans le monde"},"content":{"rendered":"<p>&#160;Dans son rapport du premier trimestre 2011, Alcoa pr\u00e9voit que la consommation mondiale d&#039;Aluminium de premi\u00e8re fusion devrait atteindre les 44,5 millions de tonnes en 2011. Ceci repr\u00e9sente une <span style=\"color: #0000bf\"><strong>croissance de 11% de la demande par rapport \u00e0 2010<\/strong><\/span>, elle suit une croissance de 13% enregistr\u00e9e l&#039;ann\u00e9e pr\u00e9c\u00e9dente. Ce score pour 2011 provient d&#039;une croissance de 15% en Asie (26,4 MT), de 6% en Am\u00e9rique du Nord (5,6 MT) et de 4% en Europe (6,9 MT). Ce sont les secteurs des transports (a\u00e9ronautique et terrestre) qui sont les plus en pointes. La construction de turbines \u00e0 gaz participe \u00e9galement \u00e0 cette embellie.<\/p>\n<p>Remarque: l&#039;Aluminium de premi\u00e8re fusion repr\u00e9sente 70% environ du m\u00e9tal utilis\u00e9, l&#039;autre ressource \u00e9tant le m\u00e9tal recycl\u00e9.<\/p>\n<p>Il est int\u00e9ressant de proc\u00e9der \u00e0 un changement d&#039;unit\u00e9 et de traduire les productions annuelles d&#039;Aluminium de premi\u00e8re fusion en consommations d&#039;\u00e9lectricit\u00e9 sur la base d&#039;une moyenne de consommation de 15,7 kWh\/kg de m\u00e9tal (FIG.I).<\/p>\n<p><a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/6a00d83451b18369e2014e60aac200970c-pi.jpg\"><img decoding=\"async\" alt=\"Aluminium-\u00e9lectricit\u00e9\" class=\"asset  asset-image at-xid-6a00d83451b18369e2014e60aac200970c\" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/6a00d83451b18369e2014e60aac200970c-450wi.jpg\" style=\"width: 450px\" \/><\/a><\/p>\n<p>&#160;La consommation globale d&#039;\u00e9lectricit\u00e9 pour transformer en 2011 l&#039;alumine en Aluminium peut \u00eatre estim\u00e9e aux environs de 700 TWh soit 1,6 fois l&#039;\u00e9nergie \u00e9lectrique produite en France en 2010. Cette croissance de 77 TWh de consommation d&#039;\u00e9nergie \u00e9lectrique entre 2010 et 2011 correspond \u00e0 un appel de puissance moyen suppl\u00e9mentaire de 9000 MW.<\/p>\n<p>&#160;Remarque: pour faire un bilan \u00e9lectrique total de la bauxite \u00e0 l&#039;Aluminium il faudrait rajouter les 2,5 kWh d&#039;\u00e9lectricit\u00e9 par kg d&#039;alu n\u00e9cessaires \u00e0 la production de soude destin\u00e9e \u00e0 l&#039;obtention de l&#039;alumine. Ceci reviendrait \u00e0 majorer de 15% les consommations d&#039;\u00e9lectricit\u00e9 repr\u00e9sent\u00e9es ici.<\/p>\n<p>LIRE <a href=\"http:\/\/www.alcoa.com\/global\/en\/investment\/pdfs\/Alcoa_1Q11_Earnings_Presentation.pdf\" target=\"_blank\">la pr\u00e9sentation d&#039;Alcoa<\/a>.<\/p>\n<p>Le 12 Avril 2011<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#160;Dans son rapport du premier trimestre 2011, Alcoa pr\u00e9voit que la consommation mondiale d&#039;Aluminium de premi\u00e8re fusion devrait atteindre les 44,5 millions de tonnes en 2011. Ceci repr\u00e9sente une croissance de 11% de la demande par rapport \u00e0 2010, elle suit une croissance de 13% enregistr\u00e9e l&#039;ann\u00e9e pr\u00e9c\u00e9dente. Ce score pour 2011 provient d&#039;une croissance [&hellip;]<\/p>\n","protected":false},"author":341,"featured_media":22687,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-182","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Alcoa: croissance \u00e0 deux chiffres de la demande d&#039;Aluminium dans le monde - 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\/2011\/04\/12\/alcoa-croissance-a-deux-chiffres-de-la-demande-daluminium-dans-le-monde\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Alcoa: croissance \u00e0 deux chiffres de la demande d&#039;Aluminium dans le monde - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"&#160;Dans son rapport du premier trimestre 2011, Alcoa pr\u00e9voit que la consommation mondiale d&#039;Aluminium de premi\u00e8re fusion devrait atteindre les 44,5 millions de tonnes en 2011. 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