Deconstructing lignocellulosic biomass with a two-step method

Bin Wang (Inventor), Hao Feng (Inventor), Bin Zhou (Inventor), Xiaojuan Wang (Inventor), Jose Atilio De Frias (Inventor)

Research output: Patent


Lignocellulosic biomass is noted for its recalcitrance to deconstruction as a feedstock for biofuel production. A two-step pretreatment method with the aim of enhancing cellulose digestibility, bypassing the traditional severe pretreatment reaction conditions and improving the overall economics of biofuel production is disclosed herein. A 1st pretreatment step is used to partially remove hemicellulose and lignin. A 2nd pretreatment step using electrolyzed water is used to break the crystalline structure and to remove residual hemicellulose and lignin before enzymatic hydrolysis for releasing fermentable sugars. A digestibility of 95% can be achieved by the two-step approach.
Original languageEnglish (US)
U.S. patent number8173406
StatePublished - May 8 2012


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