University of California

National Technology & Engineering Solutions of Sandia, LLC

Hemant Choudhary

Blake A Simmons

Lalitendu Das

John Michael Gladden

Harsha D Magurudeniya

Ezinne Achinivu

Mood Mohan

Venkataramana R Pidatala

Kaixuan Huang

The present invention provides for a method to deconstruct a biomass: the method comprising: (a) introducing a solvent comprising a polyamine, or a mixture of polyamines, to a biomass to dissolve at least part of solid biomass in the solvent, wherein the polyamine is a Brønsted or Lewis base, and/or the polyamine is a hydrogen bond donor and/or acceptor; (b) optionally introducing an enzyme and/or a microbe to the solubilized biomass mixture such that the enzyme and/or microbe produces a sugar from the solubilized biomass mixture; (c) optionally separating the sugar from the solubilized biomass mixture; and (d) optionally separating the lignan from the solubilized biomass mixture.

Use of polyamines in the pretreatment of biomass

The present invention also provides for a method to deconstruct a biomass: the method comprising: (a) introducing a solvent to a biomass to dissolve at least part of solid biomass in the solvent, wherein the solvent comprises (i) a metal salt, and (ii) an ionic liquid (IL) or deep eutectic solvent (DES), or mixture thereof, to form a solubilized biomass mixture; (b) optionally introducing an enzyme and/or a microbe to the composition such that the enzyme and/or microbe produce a biofuel and/or chemical compound from the solubilized biomass; and, (c) optionally the biofuel and/or chemical compound is separated from the composition.

Use of metal salts and deep eutectic solvents in a process to solubilize a biomass

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Emeryville, CA, United States of America

Hemant Choudhary