Treatment of sulfide-bearing waters with chlorine dioxide

Details Treatment of sulfide-bearing waters with chlorine dioxide Treatment of sulfide-bearing waters with chlorine dioxide

1976-06-04

1978-03-07

Hart, Charles N.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210 63R, 210 64, C02B 118

Patent

active

040778797

ABSTRACT:
The present invention is directed to a process of treating water contaminated with undesirable sulfides by adding chlorine dioxide to water in specified amounts and at specified rates of addition to oxidize the sulfides to sulfates and to simultaneously avoid or substantially retard the information of free colloidal sulfur therein. The invention is particularly useful for treating water which is or will be contaminated with petroleum oil containing undesirable sulfides, e.g., water-petroleum oil mixtures containing sulfate-reducing bacteria.

REFERENCES:
patent: 2309062 (1943-01-01), Graham
patent: 2312221 (1943-02-01), Sprigman et al.
patent: 2771416 (1956-11-01), Ryan
patent: 2912378 (1959-11-01), Bernard
patent: 3082146 (1963-03-01), Wentworth et al.
patent: 3867509 (1975-02-01), Geiger et al.
Weber, Physicochemical Processes for Water Quality Control, 1972, pp. 397-400 & 442.

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