Method for treatment of waste water

Details Method for treatment of waste water Method for treatment of waste water

1987-08-19

1988-06-14

Wyse, Tom

Liquid purification or separation

Processes

Chemical treatment

210760, 210762, 502242, 502349, C02F 1108, C02F 172, C02F 178

Patent

active

047510056

ABSTRACT:
Efficient treatment of waste water is accomplished by subjecting the waste water to wet oxidation under continued supply of an oxygen containing gas at a temperature of not more than 370.degree. C. under a pressure enough for the waste water to retain the liquid phase thereof intact, in the presence of a catalyst containing a composite oxide of at least two metals selected from the group consisting of Ti, Si, and Zr and at least one metal selected from the group consisting of Mn, Fe, Co, Ni, W, Cu, Ce, Ag, Pt, Pd, Rh, Ru, and Ir or a compound of the one metal mentioned above.

REFERENCES:
patent: 3887740 (1975-06-01), Foster et al.
patent: 3992295 (1976-11-01), Box, Jr. et al.
patent: 4134852 (1979-01-01), Volin
patent: 4141829 (1979-02-01), Thiel et al.
patent: 4189405 (1980-02-01), Knapton et al.
patent: 4268399 (1981-05-01), Box, Jr. et al.
patent: 4294703 (1981-10-01), Wilms et al.
patent: 4422960 (1983-12-01), Shiroto et al.
patent: 4696749 (1987-09-01), Habermann et al.
patent: 4699720 (1987-10-01), Harada et al.

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