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Title: Methods for pretreating biomass

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.
Inventors:
; ; ;
Issue Date:
OSTI Identifier:
1356290
Assignee:
BOARD OF TRUSTEES OF MICHIGAN STATE UNIVERSITY DOESC
Patent Number(s):
9,644,222
Application Number:
13/997,043
Contract Number:
XCO-3-33033-01
Resource Relation:
Patent File Date: 2011 Dec 22
Research Org:
BOARD OF TRUSTEES OF MICHIGAN STATE UNIVERSITY, East Lansing, MI (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
09 BIOMASS FUELS; 59 BASIC BIOLOGICAL SCIENCES

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