Hydrogen processing, and impurity removal and cleaning...

C - Chemistry – Metallurgy – 12 – P

Patent

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Details

C12P 3/00 (2006.01) C12P 7/02 (2006.01) C12P 7/40 (2006.01) C12P 7/54 (2006.01)

Patent

CA 2670802

In one embodiment, the disclosure includes a method of biomass conversion including fermenting biomass to produce a carboxylic acid or carboxylate salt and hydrogen gas, recovering the hydrogen gas, and converting the carboxylic acid or carboxylate salt to an alcohol using the hydrogen gas. In one embodiment, the hydrogen produced by biomass conversion may be converted to an acetate. Another embodiment relates to a biomass conversion system. The system may include: a fermentation unit for fermentation of biomass to a carboxylic acid or carboxylate salt in a fermentation broth and for production of a carbon dioxide and hydrogen gas stream, an extraction unit for extracting the carboxylic acid or carboxylate salt from the fermentation broth, a gas extraction unit for separation of the hydrogen gas and the carbon dioxide, and a production unit for production of an alcohol from the carboxylic acid or carboxylate salt using the hydrogen gas.

Dans un mode de réalisation, l'invention concerne un procédé de conversion de biomasse, comportant la fermentation de la biomasse pour produire un acide carboxylique ou du sel de carboxylate et du gaz hydrogène, la récupération du gaz hydrogène, et la conversion de l'acide carboxylique ou du sel de carboxylate en un alcool en utilisant le gaz hydrogène. Dans un mode de réalisation, l'hydrogène produit par la conversion de la biomasse peut être converti en un acétate. Un autre mode de réalisation concerne un système de conversion de la biomasse. Le système peut comporter : une unité de fermentation pour la fermentation de la biomasse en un acide carboxylique ou un sel de carboxylate dans un bouillon de fermentation et pour la production d'un dioxyde de carbone et d'un flux de gaz hydrogène, une unité d'extraction pour extraire l'acide carboxylique ou le sel de carboxylate du bouillon de fermentation, une unité d'extraction de gaz pour séparer le gaz hydrogène du dioxyde de carbone, et une unité de production pour produire un alcool à partir de l'acide carboxylique ou du sel de carboxylate en utilisant le gaz hydrogène.

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