Method of treatment of waste water obtained in a gasification pl

Details Method of treatment of waste water obtained in a gasification pl Method of treatment of waste water obtained in a gasification pl

1984-06-14

1986-12-30

Wyse, Tom

Liquid purification or separation

Processes

Chemical treatment

210758, 210760, 210765, C02F 172

Patent

active

046327665

ABSTRACT:
In a method of treating waste water obtained in a direct washing with water of raw gas in a plant for a gasification of gas, the waste water is first settled in a settling tank and a resultant concentrated slime-containing water is subjected to a multi-stage oxidation with air or oxygen only at the temperatures of between 20.degree. C., and 80.degree. C., and the slime-containing water obtained after the oxidation is conveyed to a filtration system or a slime-depositing container.

REFERENCES:
patent: 3627470 (1971-12-01), Hamblin
patent: 3856671 (1974-12-01), Lee et al.
patent: 4002565 (1977-01-01), Farrell et al.
patent: 4341641 (1982-07-01), Novak
patent: 4478725 (1984-10-01), Velling et al.

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