Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Leonardo Sousa0
Venkatesh Balan0
Bruce E Dale0
Shishir Chundawat0
Date of Patent
May 9, 2017
0Patent Application Number
139970430
Date Filed
December 22, 2011
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A method for pretreating biomass is provided, which includes, in a reactor, allowing gaseous ammonia to condense on the biomass and react with water present in the biomass to produce pretreated biomass, wherein reactivity of polysaccharides in the biomass is increased during subsequent biological conversion as compared to the reactivity of polysaccharides in biomass which has not been pretreated. A method for pretreating biomass with a liquid ammonia and recovering the liquid ammonia is also provided. Related systems which include a biochemical or biofuel production facility are also disclosed.
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