Method for producing alcohols and/or solvents from a biomass, including recirculating an internal flow including alcohols and/or solvents upstream from or within the pretreatment
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United States of America Patent
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Jun 12, 2018
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app pub date -
Sep 25, 2013
filing date -
Oct 18, 2012
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Abstract
The invention relates to a process for the production of alcohols from biomass that comprises a stage in which at least one aqueous internal flow that comprises at least one alcohol that has n carbon atoms, with n between 2 and 5, is recycled, provided that when the alcohol comprises 2 carbon atoms, it is mixed with at least one other alcohol in such a way as to recover a vapor phase effluent that contains alcohols exiting from said pretreatment reactor.
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