Hypochlorite removal from waste stream effluents

Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...

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Details

210712, 210717, 210718, 210738, 210750, 210757, 210765, 210778, 423499, C02F 120

Patent

active

050394290

ABSTRACT:
This invention relates to the removal of hypochlorite groups from aqueous effluent solutions, so as to permit the disposal of the effluent by deep well injection. More particularly this invention relates to the catalytic decomposition of such hypochlorite groups from scrubbing water effluent used to remove chlorine from a gaseous effluent, wherein a solid catalyst is dissolved, recycled and reprecipitated in situ.

REFERENCES:
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patent: 3442802 (1969-05-01), Hamilton et al.
patent: 3965249 (1976-06-01), Kinosz
patent: 4073873 (1978-02-01), Caldwell et al.
patent: 4297333 (1981-10-01), Crawford et al.
patent: 4430315 (1984-02-01), Caldwell
patent: 4508697 (1985-04-01), Burrus
patent: 4732688 (1988-03-01), Bryan et al.
patent: 4764286 (1988-08-01), Bon et al.

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