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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.
 [1];  [2];  [2];  [3];  [4]
  1. (Littleton, CO)
  2. (Golden, CO)
  3. (Highlands Ranch, CO)
  4. (Lakewood, CO)
Issue Date:
OSTI Identifier:
Midwest Research Institute (Kansas City, MO) CHO
Patent Number(s):
US 5503996
Contract Number:
Research Org:
Midwest Research Institute (Kansas City, MO)
Sponsoring Org:
Country of Publication:
United States
prehydrolysis; lignocellulose; relates; passing; acidic; alkaline; solution; solid; lignocellulosic; particles; removal; soluble; components; formed; technique; permits; severe; combination; ph; temperature; time; conventional; furthermore; extraction; hemicellulose; lignin; occurs; simultaneously; reactor; conditions; alkaline solution; severe combination; solid lignocellulosic; lignocellulosic particles; lignin occurs; soluble components; occurs simultaneously; technique permits; conventional prehydrolysis; /435/999/