Biotreatment process for caustics containing inorganic sulfides

Details Biotreatment process for caustics containing inorganic sulfides Biotreatment process for caustics containing inorganic sulfides

1994-05-05

1996-01-02

Wise, Thomas

Liquid purification or separation

Processes

Treatment by living organism

210615, 210631, 435282, C02F 334

Patent

active

054805503

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.

REFERENCES:
patent: 4293333 (1981-10-01), Drobot
patent: 4690894 (1987-01-01), Brierley et al.
patent: 4737289 (1988-04-01), Castaldi et al.
patent: 4898827 (1990-02-01), Brierley et al.
patent: 5354545 (1994-10-01), Buisman

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