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Process for the Conversion of and Aqueous Biomass Hydrolyzate into Fuels or Chemicals by the Selective Removal of fermentation Inhibitors

U.S. Patent 6,737,258


Technology Description

A process of making a fuel or chemical from a biomass hydrolyzate is provided which comprises the steps of providing a biomass hydrolyzate, adjusting the pH of the hydrolyzate, contacting a metal oxide having an affinity for guaiacyl or syringyl functional groups, or both and the hydrolyzate for a time sufficient to form an adsorption complex; removing the complex wherein a sugar fraction is provided, and converting the sugar fraction to fuels or chemicals using a microorganism.

Inventors

Tammy K. Hayward; Amie D. Sluiter; Nicholas J. Nagle; Bonnie R. Hames

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