Process for eliminating the chloride ions present in contaminate

Details Process for eliminating the chloride ions present in contaminate Process for eliminating the chloride ions present in contaminate

1988-06-16

1989-09-26

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204149, K02F 146

Patent

active

048697940

ABSTRACT:
The invention relates to the elimination of the chloride ions present in contaminated solid wastes, such as incineration ashes contaminated by actinides.
First the chloride ions are dissolved in an aqueous solution, for example a nitric acid solution of 4 to 6 moles/l, whereafter the chloride ions thus dissolved in the aqueous solution are oxidized, for example, electrochemically, possibly in the presence of an oxidation-reduction couple such as CO.sup.3+ /CO.sup.2+, to eliminate them from the solution in the form of chlorine in a gas flow.

REFERENCES:
patent: 4217192 (1980-08-01), Lerch et al.

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