University of Louisville Research Foundation, Inc.

Christopher T Burns

Michael H Nantz

Jagannadh Satyavolu

Sadakatali S Gori

Mandapati V Ramakrishnam Raju

Processes for isolating xylose from an aqueous solution. A representative process can comprise providing an aqueous solution comprising xylose; combining a boron compound with the aqueous solution to form a boron derivative of the xylose; isolating the boron derivative of the xylose from the aqueous solution as a precipitate; dissolving the boron derivative of the xylose in a solvent; and isolating the xylose from the solvent as a precipitate using a boron capture agent.

Processes for isolation and recovery of C5 sugars

Provided are processes for isolating hemicellulose-based sugar from a biomass. The process includes providing a biomass hydrolyzate including a C5 sugar, forming a boronic ester or diester of the C5 sugar, extracting the boronic ester of diester of the C5 sugar, precipitating the C5 sugar using a boron capture agent, and isolating the C5 sugar from the precipitate. The isolated C5 sugar is provided in dry form.

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Louisville, KY, United States of America

Christopher T Burns