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U.S. Department of Energy
Office of Scientific and Technical Information

Pulping lignocellulose in continuous pressurized batch digesters

Patent ·
OSTI ID:6838820
A batch process to produce kraft pulp is described, in which a combination of black and white liquor is used for cooking of wood chips. In the process, the steam consumption to produce 357 tons/day pulp at 50% yield was approximately 1600 lb/ton pulp, compared with 4000 lb/ton for a batch digester of conventional type.
Assignee:
EDB-84-090620
Patent Number(s):
US 4236961
OSTI ID:
6838820
Country of Publication:
United States
Language:
English