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Title: Prehydrolysis of lignocellulose

The invention relates to the prehydrolysis of lignocellulose by passing an acidic or alkaline solution through solid lignocellulosic particles with removal of soluble components as they are formed. The technique permits a less severe combination of pH, temperature and time than conventional prehydrolysis. Furthermore, greater extraction of both hemicellulose and lignin occurs simultaneously in the same reactor and under the same conditions. 7 figs.
Inventors:
; ; ; ;
Issue Date:
OSTI Identifier:
63430
Assignee:
Midwest Research Inst., Kansas City, MO (United States) CHO; SCA: 090900; PA: EDB-95:089673; SN: 95001401177
Patent Number(s):
US 5,424,417/A/
Application Number:
PAN: 8-126,792
Contract Number:
AC02-83CH10093
Resource Relation:
Other Information: PBD: 13 Jun 1995
Research Org:
Midwest Research Institute; National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
09 BIOMASS FUELS; CELLULOSE; ACID HYDROLYSIS; ALKALINE HYDROLYSIS; LIGNIN; PH VALUE; TIME DEPENDENCE; TEMPERATURE DEPENDENCE