Process for purifying waste water

Details Process for purifying waste water Process for purifying waste water

1985-09-20

1987-05-05

Castel, Benoit

Liquid purification or separation

Processes

Treatment by living organism

210617, 210631, 210663, 210694, 210778, C02F 304

Patent

active

046630473

ABSTRACT:
The purification process is carried out in two stages. In the first stage, pulverulent active carbon in finely-divided form is added to the waste water. The solids materials are then separated by conventional mechanical separating processes. The liquid phase prepurified in this manner is then allowed to trickle in a second stage through an active carbon adsorption tower, air being forced at the same time through the adsorption tower. The process has proved particularly valuable in the purification of pesticide-containing waste water.

REFERENCES:
patent: 3563888 (1971-02-01), Klock
patent: 3803029 (1974-04-01), Blecharczyk
patent: 4008159 (1977-02-01), Besik
patent: 4076616 (1978-02-01), Verde
patent: 4168228 (1979-09-01), Mallatt et al.
patent: 4212732 (1980-07-01), Humphrey
patent: 4237002 (1980-12-01), Strudgeon et al.
patent: 4238334 (1980-12-01), Halbfoster
patent: 4407717 (1983-10-01), Teletzke et al.

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