Process for cooking lignocellulosic materials intended for the p

Details Process for cooking lignocellulosic materials intended for the p Process for cooking lignocellulosic materials intended for the p

1982-05-14

1984-05-29

Alvo, Steve

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Treatment with particular chemical

162 72, 162 82, 162 90, D21C 320

Patent

active

044513330

ABSTRACT:
Process for cooking lignocellulosic materials by heating the said materials in a cooking solution containing caustic soda with or without an alkali metal sulphide, in which the solution used contains about 0.01% to 10%, preferably 0.05% to 2%, by weight of 1,2,3,4-tetrahydro-9,10-anthracenediol based on the weight of the dry lignocellulosic material.

REFERENCES:
patent: 4012280 (1977-03-01), Holton
patent: 4036680 (1977-07-01), Holton et al.
patent: 4181565 (1980-01-01), Nakamura et al.

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