Battelle Energy Alliance, LLC

Lynn M Wendt

Birendra Adhikari

Quang A Nguyen

Bradley D Wahlen

A method of producing succinic acid from a biomass. The method comprises adding citric acid to a biomass comprising microalgae to form an acidified microalgae composition. The acidified microalgae biomass composition is stored under anaerobic conditions without inoculating the acidified microalgae composition with bacteria formulated to produce succinic acid. A coproduct comprising succinic acid is produced. Other methods of producing succinic acid from a biomass are also disclosed.

Methods of producing succinic acid from a biomass

Methods of recovering lignin products and other products from biomass. The method comprises adding a chemical agent to a stored biomass comprising lignin to form a chemically-treated biomass. The chemical agent comprises an acid, a base, an inorganic salt, or a combination of the inorganic salt and one of the acid or the base. The chemically-treated biomass is stored under anaerobic conditions. Lignin products, such as high molecular weight lignin, medium molecular weight lignin, or low molecular weight lignin, are recovered from the chemically-treated biomass. Additional methods of recovering lignin products and other products from biomass are disclosed.

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Idaho Falls, ID, United States of America

Lynn M Wendt