Process for delignification of cellulosic substances by pretreat

Details Process for delignification of cellulosic substances by pretreat Process for delignification of cellulosic substances by pretreat

1987-03-02

1989-05-02

Alvo, Steve

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Treatment with particular chemical

162 78, 162 82, D21C 104, D21C 108, D21C 302

Patent

active

048265683

ABSTRACT:
Process for the delignification of cellulosic substances comprising:

REFERENCES:
patent: 4050981 (1977-09-01), Jamieson et al.
patent: 4462864 (1984-07-01), Carles
EUCEPA Symposium "The Delignification Methods of the Future", vol. II, No. 7-18 Helsinki, Jun. 2-5 1980 (Pekkala p. 14/1 to 14/19).
Przeglad Papierniczy, vol. 33, Aug. 1977, W. Mroz and W. Surewicz, "Modification of the Kraft Pulping Process aimed at Improving the Color of the Pulp" (pp. 277 to 280).

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