Pulp mill waste color removal with carbon absorbents

Details Pulp mill waste color removal with carbon absorbents Pulp mill waste color removal with carbon absorbents

1988-10-11

1989-07-25

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

210670, 210679, 210694, 210917, 210928, C02F 128

Patent

active

048511285

ABSTRACT:
Carbon absorbents are used to remove color bodies from paper mill waste waters. A preferred embodiment of the process utilizes pretreatment of the paper mill waste waters with cationic flocculants.

REFERENCES:
patent: 3288770 (1986-11-01), Butler
patent: 3738945 (1973-06-01), Panzer et al.
patent: 4134786 (1979-01-01), Fletcher et al.
patent: 4668403 (1987-05-01), Walterick et al.
patent: 4695386 (1987-09-01), Berry
Activated Carbon, by John W. Hassler, Chapter 8, Chemical Publishing Company, Inc., 1963.

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