Prehydrolysis of lignocellulose

Patent · 06 January 1998

OSTI ID:563634

Torget, R. W.; Kadam, K. L.; Hsu, T. A.; Philippidis, G. P.; Wyman, C. E.

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.

• Research Organization: National Renewable Energy Laboratory (NREL), Golden, CO (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: AC02-83CH10093
• Assignee: Midwest Research Inst., Kansas City, MO (United States)
• Patent Number(s): US 5,705,369/A/
• Application Number: PAN: 8-443,693
• OSTI ID: 563634
• Country of Publication: United States
• Language: English

Related Subjects

09 BIOMASS FUELS
ACID HYDROLYSIS
ALKALINE HYDROLYSIS
CELLULOSE
DELIGNIFICATION
HEMICELLULOSE
MATERIALS RECOVERY