BIOLOGICAL CONVERSION OF BIOMASS-DERIVED SUGARS TO VALUE-ADDED CHEMICALS
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United States of America Patent
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Sep 27, 2018
app pub date -
May 29, 2018
filing date -
May 29, 2018
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Abstract
A method of growing a microorganism by culturing the microorganism in a an aqueous solution of carbohydrates containing C6-sugar monomers or C5-sugar monomers, wherein the aqueous solution of carbohydrates is made by 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. The product mixture is then partitioned or extracted to yield an aqueous layer containing the carbohydrates and a substantially immiscible organic layer containing the lactone. The aqueous layer is used for growing the microorganisms.
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