Biotreatment process for caustics containing inorganic sulfides
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United States of America Patent
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Jan 2, 1996
Grant Date -
N/A
app pub date -
May 5, 1994
filing date -
May 5, 1994
priority date (Note) -
Expired
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Abstract
A biological process is described for caustic waste streams containing inorganic sulfides to effect neutralization of the caustic and, oxidation of sulfides to sulfate. The process is based on the contact of these caustic streams with mixed, fiocculated cultures of a sulfide-oxidizing bacterium from the genus Thiobacillus and various heterotrophs. The process may also degrade any organic components present in the waste stream.
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