Treatment of an aqueous stream containing water-soluble inorgani

Liquid purification or separation – Processes – Chemical treatment

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210916, 423544, C02F 172, C02F 174

Patent

active

052079279

ABSTRACT:
A method for treating an aqueous stream containing a water-soluble, inorganic sulfide compound wherein the stream is contacted with oxygen at a pH in the range of less than about 12 and an oxygen to sulfur molar ratio greater than about 5 with an oxidizing catalyst at oxidation conditions selected to provide a high conversion of the inorganic sulfide compound to sulfate to thereby produce a substantially sulfide-free treated aqueous product stream.

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patent: 4839154 (1989-06-01), Allison et al.
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patent: 4925569 (1990-05-01), Chou et al.

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