C - Chemistry – Metallurgy – 12 – P
Patent
C - Chemistry, Metallurgy
12
P
C12P 3/00 (2006.01) C12N 9/00 (2006.01) C12N 9/02 (2006.01) C12N 9/12 (2006.01) C12N 9/90 (2006.01) C12P 19/00 (2006.01) H01M 8/06 (2006.01)
Patent
CA 2654491
The present invention comprises an in vitro enzymatic process that effectively converts renewable polysaccharides into high yields of hydrogen at mild conditions, using only enzymes and water. The process comprises a number of enzymes: (1) phosphorylases, (2) phosphoglucomutases, (3) hydrogenases, and (4) enzymes involved in the pentose-phosphate pathway. Preferred embodiments of the process produce only hydrogen and carbon dioxide as net products, translating into an inexpensive method of generating hydrogen in very large quantities from low-cost feedstocks.
La présente invention concerne un procédé enzymatique in vitro qui convertit de façon efficace des polysaccharides provenant de sources renouvelables en quantités élevées d'hydrogène dans des conditions douces, en utilisant seulement des enzymes et de l'eau. Le procédé comprend un certain nombre d'enzymes : (1) des phosphorylases, (2) des phosphoglucomutases, (3) des hydrogénases et (4) des enzymes impliquées dans la voie du pentose phosphate. Les modes de réalisation préférés de l'invention ne produisent que de l'hydrogène et du dioxyde de carbone en tant que produits nets, ce qui se traduit par une méthode bon marché de formation d'hydrogène en très grandes quantités à partir de charges de départ de faible coût.
Mielenz Jonathan
Zhang Yi-Heng Percival
Cassan Maclean
Ut-Battelle Llc
Virginia Tech Intellectual Properties Inc.
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