Mediated electrochemical oxidation of organic wastes using a Co

Details Mediated electrochemical oxidation of organic wastes using a Co Mediated electrochemical oxidation of organic wastes using a Co

1997-12-08

1999-06-15

Phasge, Arun S.

Electrolysis: processes, compositions used therein, and methods

Electrolytic material treatment

Organic

205703, 205746, 205749, 588204, C02F 1461, A62D 300

Patent

active

059118687

ABSTRACT:
An electrochemical cell with a Co(III) mediator and nitric acid electrolyte provides efficient destruction of organic and mixed wastes. The organic waste is concentrated in the anolyte reservoir, where the mediator oxidizes the organics and insoluble transuranic compounds and is regenerated at the anode until the organics are converted to CO.sub.2. The nitric acid is an excellent oxidant that facilitates the destruction of the organic components. The anode is not readily attacked by the nitric acid solution, thus the cell can be used for extended continual operation without electrode replacement.

REFERENCES:
patent: 4874485 (1989-10-01), Steele
patent: 5516972 (1996-05-01), Farmer et al.

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