Process for purifying waste water

Details Process for purifying waste water Process for purifying waste water

1987-11-06

1989-07-18

Castel, Benoit

Liquid purification or separation

Processes

Treatment by living organism

210614, 210624, 210630, 210928, 210605, 435167, 48197A, C02F 328

Patent

active

048491080

ABSTRACT:
A process for purifying waste water resulting from the manufacture of chemo- and/or thermomechanical pulp, which comprises subjecting the waste water to at least the following sequence of steps:

REFERENCES:
patent: 4318993 (1982-03-01), Ghosh et al.
patent: 4384956 (1983-05-01), Mulder
patent: 4510243 (1985-04-01), Haga et al.
patent: 4597872 (1986-07-01), Andersson et al.
patent: 4614588 (1986-09-01), Li
patent: 4652374 (1987-03-01), Cohen
patent: 4659471 (1987-04-01), Molin et al.

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