OPTIMIZED IBE FERMENTATION METHOD FOR UPGRADING ACETONE

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United States of America Patent

APP PUB NO 20230265464A1
SERIAL NO

18013427

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention relates to a process for producing alcohols comprising:

    a. an IBE-type fermentation step in at least one bioreactor (R1) in the presence of a natural strain microorganism, and fed at least with an aqueous solution (1) of C5 and/or C6 sugars and a recycled acetone stream (3), in order to produce fermentation gases and a fermentation broth containing fermentation products;b. a step of recovering the fermentation products, in order to obtain a stream of fermentation products (2);c. a step of treating the stream of fermentation products comprising an acetone separation section in order to produce at least an acetone effluent (3) and an aqueous alcohol effluent (4);d. a step for recycling at least a fraction of the acetone effluent (3) from step c) to step a).

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Patent Owner(s)

Patent OwnerAddress
IFP ENERGIES NOUVELLESFRANCE RUEZ - MA MAISON

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
COUPARD, Vincent Rueil-Malmaison Cedex, FR 104 449
GONZALEZ, PENAS Helena Rueil-Malmaison Cedex, FR 6 8
LOPES, FERREIRA Nicolas Rueil-Malmaison Cedex, FR 20 28
MENIR, Sandra Rueil-Malmaison Cedex, FR 7 25
ROPARS, Marcel Rueil-Malmaison Cedex, FR 17 51
TOTH, Eszter Rueil-Malmaison Cedex, FR 14 119

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