Process for the reduction of effluent color from a cellulosic pu

Details Process for the reduction of effluent color from a cellulosic pu Process for the reduction of effluent color from a cellulosic pu

1975-09-11

1978-03-28

Corbin, Arthur L.

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Treatment with particular chemical

8108A, 162 88, 162 89, 162 90, D21C 914

Patent

active

040813177

ABSTRACT:
The colored body content of the effluent from the alkali of a multi-stage cellulosic pulp bleach process is greatly reduced by extracting bleached cellulosic pulp with hypochlorite at a pH from about 6 to less than 9.

REFERENCES:
patent: 3345250 (1967-10-01), Brinkley et al.
patent: 3423282 (1969-01-01), Rerolle et al.
patent: 3433702 (1969-03-01), Jack et al.

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