Method for the reduction of the chemical oxygen demand of water

Details Method for the reduction of the chemical oxygen demand of water Method for the reduction of the chemical oxygen demand of water

1979-08-07

1981-01-20

Wyse, Thomas G.

Liquid purification or separation

Processes

Chemical treatment

210764, C02F 174

Patent

active

042461057

ABSTRACT:
A method of reducing the chemical oxygen demand or requirement of water and waste water charged with oxidizable substances, by continuous catalytic oxidation. There is used as a promoter excited, dissociated and/or at least partially ionized gases and/or gas mixtures in a quantity such that there are formed a sufficient number of free radicals which initiate the oxidation and also continuously regenerate or reactivate the consumed catalyst. The method is especially useful for producing potable or drinkable water.

REFERENCES:
patent: 2271792 (1942-02-01), Conant
patent: 3910778 (1975-10-01), Shahgholi et al.
patent: 4007118 (1977-02-01), Ciambrone
patent: 4012321 (1977-03-01), Koubek
patent: 4029578 (1977-06-01), Turk
Rohrer, "Catalytically Assisted Oxidation Processes," Chemistry and Industry, Oct. 15, 1977, pp. 816-821.

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