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

Improved recovery of tall oil from black liquors

Patent ·
OSTI ID:6909862

Applying a d.c. of less than 15 V to acidified black liquor separates a significant amount of tall oil remaining in the black liquor sludge. An apparatus with graphite electrodes for this process is described.

Assignee:
Raybestos-Manhattan, Inc.
Patent Number(s):
US 4238304
OSTI ID:
6909862
Country of Publication:
United States
Language:
English