Method for purification of waste water

Details Method for purification of waste water Method for purification of waste water

1990-09-20

1992-10-27

Wyse, Thomas

Liquid purification or separation

Processes

Chemical treatment

C02F 172, C02F 1108

Patent

active

051586894

ABSTRACT:
A method for the purification of waste water by the use of a heat-exchanger type reaction vessel composed of a plurality of inner tubes and a shell defining jointly with the outer peripheries of the inner tubes a passage for the flow of a heat transfer medium, which method comprises passing said waste water through said inner tubes and, at the same time, feeding a molecular oxygen-containing gas to the flow of said waste water thereby establishing contact between said waste water and said feed gas and consequently effecting wet oxidation of the impurities present in said waste water.

REFERENCES:
patent: 3907678 (1975-09-01), Pradt et al.
patent: 4139461 (1979-02-01), Bauer
patent: 4141828 (1979-02-01), Okada et al.
patent: 4141829 (1979-02-01), Thiel et al.
patent: 4155848 (1979-05-01), Sato et al.
patent: 4229296 (1980-10-01), Wheaton
patent: 4604215 (1986-08-01), McCorquodale
patent: 4751005 (1988-06-01), Mitsui
patent: 4861497 (1989-08-01), Welch et al.
patent: 4869933 (1989-09-01), Binning et al.

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