Process for cooking lignocellulosic material in the presence of

Details Process for cooking lignocellulosic material in the presence of Process for cooking lignocellulosic material in the presence of

1981-02-12

1989-06-06

Corbin, Arthur L.

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Treatment with particular chemical

162 72, 162 83, 162 90, D21C 320

Patent

active

RE0329436

ABSTRACT:
An improved process for the production of pulp from lignocellulosic material characterized by the employment of a cooking aid is disclosed. The cooking of the lignocellulosic material is carried out in the presence of a small amount of a compound selected from the group consisting of hydroxyanthracenes and derivatives thereof.

REFERENCES:
patent: 1890040 (1932-12-01), Luttringhaus et al.
patent: 2883826 (1959-04-01), Smith et al.
patent: 2920010 (1960-01-01), Voiret
patent: 4012280 (1977-03-01), Holton
patent: 4036681 (1977-07-01), Holton
Elsevier's Encyclopedia of Organic Chemistry, vol. 13, 1946, pp. 277-279, 281, 291, 300-302, 304, 650 & 703.

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