Method for the oxidation of water-soluble sulfide compounds to h

Details Method for the oxidation of water-soluble sulfide compounds to h Method for the oxidation of water-soluble sulfide compounds to h

1980-07-28

1981-09-29

Peters, G. O.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

210758, 210759, 423DIG13, C02F 176, C01B 1706

Patent

active

042922933

ABSTRACT:
An improved method for the oxidation of water-soluble inorganic sulfide ions in aqueous systems is disclosed. The method uses a soluble metallic ion catalyst in the presence of an oxidizing agent. The improvement comprises adding to the system a water-soluble anionically-charged polymer having a molecular weight of from 1,000-100,000. Additionally, certain organic phosphonate materials can be used in combination with the polymer.
By the use of the polymer or polymer-phosphonate treatment the efficiency of the metallic ion catalyst and the sulfide oxidation step is improved.

REFERENCES:
patent: 1792097 (1931-02-01), Jacobson
patent: 3907972 (1975-09-01), Stautzenberger
patent: 4083944 (1978-04-01), Chalmers

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