British Nuclear Fuels plc has since its inception 1971 had a policy of reducing its discharges of radioisotopes and other possible hazardous substances to as low as reasonably possible. In support of this, a substantial research & development programme was initiated in the mid nineteen eighties to establish suitable processes for treating both free phase and soluble liquid organic wastes.

This paper describes major processes studied and the selection criteria applied, which has resulted in the choice of alkaline hydrolysis for the free phase waste organics and both catalytic chemical oxidation and electrically enhanced photooxidation for soluble organics.

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