Method for producing ethanol

C - Chemistry – Metallurgy – 07 – C

Patent

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Details

C07C 29/16 (2006.01) B01J 23/656 (2006.01) B01J 23/89 (2006.01) C07C 31/08 (2006.01) C10J 3/00 (2006.01) C07B 61/00 (2006.01)

Patent

CA 2751882

A method for producing ethanol by which ethanol can be synthesized from less fermentable biomass materials such as plant-derived materials and rice straws and industrial waste biomass materials such as wooden building materials and pulp and which can therefore broaden the range of raw materials for the production of ethanol. Specifically, a method for producing ethanol including reacting a raw material gas obtained by a thermochemical gasification reaction of biomass in the presence of a catalyst containing rhodium, at least one transition metal, and at least one element selected from lithium, magnesium and zinc.

L'invention porte sur un procédé de production d'éthanol par lequel de l'éthanol peut être synthétisé à l'aide, comme matière de départ, d'une matière de biomasse qui est difficilement fermentée telle que des herbes, du bois ou de la paille de riz ou d'une matière de biomasse de déchets industriels tels que des bois de bâtiment ou de la pâte de sorte que la gamme des matières de départ pour la production d'éthanol peut être élargie. De façon spécifique, l'invention porte sur un procédé de production d'éthanol comprenant la réaction d'une matière de départ gazeuse, qui est obtenue par gazéification thermochimique d'une biomasse, avec du rhodium et au moins un métal de transition en présence d'un catalyseur comprenant au moins un élément choisi parmi le lithium, le magnésium et le zinc.

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