H.sub.2 S Abatement process
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United States of America Patent
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Dec 14, 1982
Grant Date -
N/A
app pub date -
Jan 30, 1981
filing date -
Jan 30, 1981
priority date (Note) -
Expired
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Abstract
A process for the conversion of aqueous hydrogen sulfide, bisulfide ion, and sulfide ion in condensed geothermal steam to form less volatile and environmentally less objectionable sulfur compounds comprises reacting such steam components with hydrogen peroxide catalyzed by various iron or nickel compounds. The hydrogen peroxide and catalyst are added to steam condensate after it has been used and before it is returned to a cooling tower where it may be added to other cooling water in a geothermal steam power system. The conversion process prevents the buildup of harmful, contaminating sulfur compounds on system components in the liquid stream and also prevents the release of certain otherwise voltatile components to the atmosphere.
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