Method to produce water-soluble sugars from biomass using solvents containing lactones

Dumesic, James A.; Luterbacher, Jeremy S.

Method to produce water-soluble sugars from biomass using solvents containing lactones

Patent · 02 June 2015

OSTI ID:1183449

Dumesic, James A.; Luterbacher, Jeremy S.

A process to produce an aqueous solution of carbohydrates that contains C6-sugar-containing oligomers, C6 sugar monomers, C5-sugar-containing oligomers, C5 sugar monomers, or any combination thereof is presented. The process includes the steps of reacting biomass or a biomass-derived reactant with a solvent system including a lactone and water, and an acid catalyst. The reaction yields a product mixture containing water-soluble C6-sugar-containing oligomers, C6-sugar monomers, C5-sugar-containing oligomers, C5-sugar monomers, or any combination thereof. A solute is added to the product mixture to cause partitioning of the product mixture into an aqueous layer containing the carbohydrates and a substantially immiscible organic layer containing the lactone.

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Research Organization:: Wisconsin Alumni Research Foundation, Madison, WI (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: FC02-07ER64494

Assignee:: Wisconsin Alumni Research Foundation (Madison, WI)

Patent Number(s):: 9,045,804

Application Number:: 13/736,550

OSTI ID:: 1183449

Country of Publication:: United States

Language:: English

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