Methods of separating lignin solids and black liquor from tall o

Details Methods of separating lignin solids and black liquor from tall o Methods of separating lignin solids and black liquor from tall o

1997-04-08

1998-06-30

Nutter, Nathan M.

Chemistry: natural resins or derivatives; peptides or proteins;

Lignins or derivatives

530504, 530505, 1061231, C07G 100, C08L 9700

Patent

active

057735905

ABSTRACT:
The separation of black liquor, containing lignin, from tall oil is enhanced by the addition of a separation aid. The separation aid is an alkylphenol-formaldehyde resin alkoxylate, a poly (proplyene oxide) ethoxylate, an alkanol amine condensate, or combination thereof.

REFERENCES:
patent: 2802845 (1957-08-01), Sadler
patent: 3890295 (1975-06-01), Lieberman et al.

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