Method for the delignification of lignocellulosic material in an

Details Method for the delignification of lignocellulosic material in an Method for the delignification of lignocellulosic material in an

1977-12-13

1979-12-18

Bashore, S. Leon

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Treatment with particular chemical

162 90, D21C 100, D21C 322, D21C 326

Patent

active

041788613

ABSTRACT:
A delignification process using amine cooking liquors which also contain a quinoid or hydroquinoid compound. The process also encompasses a pretreatment step using the quinoid or hydroquinoid compounds.

REFERENCES:
patent: 2218479 (1940-10-01), Peterson et al.
patent: 3888727 (1975-06-01), Kenig
patent: 4012280 (1977-03-01), Holton
patent: 4045280 (1977-08-01), Mackie
patent: 4091749 (1978-05-01), Procter et al.
Bach et al., "New Possibilities for Carbohydrate Stabilization in Alkaline Cooking", Papier (i) 3 (1972).

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