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Biomasse

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  • DOWNLOAD THAT BOOKS INTO AVAILABLE FORMAT (2019 Update) ......................................................................................................................... ......................................................................................................................... Download Full PDF EBOOK here { http://bit.ly/2m6jJ5M } ......................................................................................................................... Download Full EPUB Ebook here { http://bit.ly/2m6jJ5M } ......................................................................................................................... Download Full doc Ebook here { http://bit.ly/2m6jJ5M } ......................................................................................................................... Download PDF EBOOK here { http://bit.ly/2m6jJ5M } ......................................................................................................................... Download EPUB Ebook here { http://bit.ly/2m6jJ5M } ......................................................................................................................... Download doc Ebook here { http://bit.ly/2m6jJ5M } ......................................................................................................................... ......................................................................................................................... ................................................................................................................................... eBook is an electronic version of a traditional print book that can be read by using a personal computer or by using an eBook reader. (An eBook reader can be a software application for use on a computer such as Microsoft's free Reader application, or a book-sized computer that is used solely as a reading device such as Nuvomedia's Rocket eBook.) Users can purchase an eBook on diskette or CD, but the most popular method of getting an eBook is to purchase a downloadable file of the eBook (or other reading material) from a Web site (such as Barnes and Noble) to be read from the user's computer or reading device. Generally, an eBook can be downloaded in five minutes or less ......................................................................................................................... .............. Browse by Genre Available eBooks .............................................................................................................................. Art, Biography, Business, Chick Lit, Children's, Christian, Classics, Comics, Contemporary, Cookbooks, Manga, Memoir, Music, Mystery, Non Fiction, Paranormal, Philosophy, Poetry, Psychology, Religion, Romance, Science, Science Fiction, Self Help, Suspense, Spirituality, Sports, Thriller, Travel, Young Adult, Crime, Ebooks, Fantasy, Fiction, Graphic Novels, Historical Fiction, History, Horror, Humor And Comedy, ......................................................................................................................... ......................................................................................................................... .....BEST SELLER FOR EBOOK RECOMMEND............................................................. ......................................................................................................................... Blowout: Corrupted Democracy, Rogue State Russia, and the Richest, Most Destructive Industry on Earth,-- The Ride of a Lifetime: Lessons Learned from 15 Years as CEO of the Walt Disney Company,-- Call Sign Chaos: Learning to Lead,-- StrengthsFinder 2.0,-- Stillness Is the Key,-- She Said: Breaking the Sexual Harassment Story That Helped Ignite a Movement,-- Atomic Habits: An Easy & Proven Way to Build Good Habits & Break Bad Ones,-- Everything Is Figureoutable,-- What It Takes: Lessons in the Pursuit of Excellence,-- Rich Dad Poor Dad: What the Rich Teach Their Kids About Money That the Poor and Middle Class Do Not!,-- The Total Money Makeover: Classic Edition: A Proven Plan for Financial Fitness,-- Shut Up and Listen!: Hard Business Truths that Will Help You Succeed, ......................................................................................................................... .........................................................................................................................
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Biomasse

  1. 1. Association Prospective 2100 Quelques questions sur la valorisation énergétique de la biomasse Henry-Hervé Bichat 20 octobre 2010
  2. 2. Plan <ul><li>Atelier Energies 2100 </li></ul><ul><li>Caractéristiques de la biomasse </li></ul><ul><li>La valorisation énergétique de la biomasse est-elle légitime? </li></ul><ul><li>Quels sont les enjeux du 21ème siècle? </li></ul><ul><li>Quelles contributions énergétiques de la biomasse dans le futur? </li></ul>
  3. 3. <ul><li>Quelles filières énergétiques pour le futur? </li></ul><ul><li>Quelle évolution des co ûts? </li></ul><ul><li>Conclusions </li></ul>
  4. 4. Atelier Energies 2100 <ul><li>Groupe de travail Biomasse énergie </li></ul>
  5. 5. Quelques caractéristiques de la biomasse <ul><li>La photosynthèse </li></ul><ul><ul><li>Rdt max 4%; rdt moyen 0,2% </li></ul></ul><ul><ul><li>200 milliards de T/an dont 1,2 pour alimentation </li></ul></ul><ul><li>Diversité des ressources </li></ul><ul><li>Diversité des usages: alimentation, chimie, matériaux, énergie </li></ul><ul><li>Saisonnalité et densité faible </li></ul><ul><li>D’où l’importance des opérations de récolte,de stockage et de transport </li></ul>
  6. 6. La valorisation énergétique de la biomasse est-elle légitime? <ul><li>Avant 1850, plus de 85% de l’énergie consommée par l’homme provenait de la biomasse </li></ul><ul><li>Aujourd’hui, 10% environ </li></ul><ul><li>Demain? </li></ul>
  7. 7. Quels sont les enjeux du 21ème siècle? <ul><li>Alimentation </li></ul><ul><ul><li>Doublement de la consommation </li></ul></ul><ul><ul><li>Systèmes de production durable </li></ul></ul><ul><li>Chimie </li></ul><ul><ul><li>En 2020, 20% de la matière première proviendra de la biomasse </li></ul></ul><ul><li>Matériaux </li></ul><ul><ul><li>Fibres et bois d’œuvre en croissance notable </li></ul></ul><ul><li>Energie </li></ul><ul><ul><li>Doublement de la consommation </li></ul></ul><ul><ul><li>Limitation de l’extraction pétrolière </li></ul></ul>
  8. 8. Quelles contributions envisageables aux bouquets énergétiques du futur pour la biomasse? <ul><li>En millions d’ha </li></ul>3873 3873 Autres - 47 3879 3903 F orêts - 494 2845 3326 Prairies + 575 2104 1520 Surfaces sultivées variation 2050 2000 Agrimonde
  9. 9. 2.000 1.050 total 200 déchets 400? Forestières 500 Agricoles 1.100 150 N valo dont 900 900 BF tradition 2050 2000 Millions de TEP
  10. 10. Quelles filières énergétiques? <ul><li>La combustion </li></ul><ul><ul><li>Matière première: cendres, lignine, +60%MS </li></ul></ul><ul><ul><li>Technologies: </li></ul></ul><ul><ul><li>Débouchés: chaleur, électricité (co génération) </li></ul></ul><ul><ul><li>Sous-produits; cendres </li></ul></ul><ul><li>La méthanisation </li></ul><ul><ul><li>Matière première:MS faible,lignine faible,%N </li></ul></ul><ul><ul><li>Technologies </li></ul></ul><ul><ul><li>Débouchés: chaleur, électricité, carburants </li></ul></ul><ul><ul><li>Sous-produits: digestats </li></ul></ul>
  11. 11. <ul><li>La gazéification </li></ul><ul><ul><li>Matières premières:MS élevée, peuN, broyabilité </li></ul></ul><ul><ul><li>Technologies </li></ul></ul><ul><ul><li>Débouchés: chaleur, électricité, carburant </li></ul></ul><ul><ul><li>Sous-produits: coke, huiles lourdes </li></ul></ul>
  12. 12. <ul><li>Les glucides </li></ul><ul><ul><li>Matière première:MS élev, peu ligni,digesti </li></ul></ul><ul><ul><li>Technologies: 1G, 2G </li></ul></ul><ul><ul><li>Débouchés: carburants, électricité, chimie </li></ul></ul><ul><ul><li>Sous-produits: drèches, pulpes, vinasse, digestats </li></ul></ul><ul><li>Les oléagineux </li></ul><ul><ul><li>Matière première:% lipides </li></ul></ul><ul><ul><li>Technologies: diester, hydrotraitement </li></ul></ul><ul><ul><li>Débouchés: carburant, chimie </li></ul></ul><ul><ul><li>Sous-produits: tourteaux, glycérol </li></ul></ul>
  13. 13. <ul><li>Les voies du futur </li></ul><ul><ul><li>micro-algues </li></ul></ul><ul><ul><li>Manipulation des phénomènes de la photosynthèse et de la méthanogénèse </li></ul></ul><ul><ul><li>Sans oublier l’amélioration des performances de la photosynthèse! </li></ul></ul>
  14. 14. Quelle évolution des co ûts? 2,5-6 1,5-4,4 0,3 0,2 carbu 3 0,7-1 0,1-0,25 0,04-0,2 cogéné 3 0,7-1 0,25 0,12 chaleur 2040 2010 2040 2010 TEP/ha TEP/tonnes
  15. 15. 600 2000 450 1000 150 700 165 1K 1500 2000 1800 2200 car 1000 2600 300 2000 200 800 220 1K 600 3000 600 7000 cogè 1300 610 200 360 1500 3000 Chal 2040 2010 2040 2010 2040 2010 Emplois TEP/emp Fonctionnt Euros/TEP Investisse Euros/TEP
  16. 16. Conclusions <ul><li>Un monde en transition: offrir des alternatives </li></ul><ul><li>La biomasse ne sera qu’une sources des énergies du futur </li></ul><ul><li>Privilégier les usages de la biomasse qui valorise ses molécules </li></ul><ul><li>Relever le défi d’un prélèvement durable de la biomasse sans doute deux fois plus important qu’aujourd’hui </li></ul>

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