Recovery of anthraquinone from tall oil

Details Recovery of anthraquinone from tall oil Recovery of anthraquinone from tall oil

1978-06-07

1980-04-08

Bascomb, Jr., Wilbur L.

Distillation: processes, separatory

Plural distillations performed on same material

One a distillation under positive pressure or vacuum

203 91, 260 976, 260 977, 260369, 162 16, B01D 300, C09B 100

Patent

active

041971680

ABSTRACT:
Tall oil containing anthraquinone is fractionally distilled for producing the tall oil heads cut enriched in said anthraquinone.

REFERENCES:
patent: 2724709 (1955-11-01), Spence
patent: 2886492 (1959-05-01), Hanson et al.
patent: 3701712 (1972-10-01), Samuelson et al.
patent: 3870730 (1975-03-01), Scharfe et al.
patent: 4005060 (1977-01-01), Mannbro
patent: 4012280 (1977-03-01), Holton
patent: 4064117 (1977-12-01), Leavens et al.

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