Method of bleaching lignocellulosic material with peroxide catal

Details Method of bleaching lignocellulosic material with peroxide catal Method of bleaching lignocellulosic material with peroxide catal

1981-08-28

1987-04-28

Alvo, Steve

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Treatment with particular chemical

162 79, 162 88, D21C 916

Patent

active

046612050

ABSTRACT:
Delignification and bleaching of lignocellulosic material is obtained with catalyzed hydrogen peroxide in alkaline medium.

REFERENCES:
patent: 2119519 (1938-06-01), Bragg
patent: 2249646 (1941-07-01), Bragg
patent: 2394989 (1946-02-01), Dreyfus
patent: 2779656 (1957-01-01), Fennell
patent: 3156654 (1964-11-01), Konecny et al.
patent: 3719552 (1973-03-01), Farley et al.
patent: 4218284 (1980-08-01), Hultman et al.
patent: 4314854 (1982-02-01), Takagi
patent: 4410397 (1983-10-01), Kempf

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