Effluent treatment

Details Effluent treatment Effluent treatment

1985-04-29

1986-11-11

Hruskoci, Peter

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210721, 210724, 210763, 210902, 210904, 210912, 423 87, C02F 152

Patent

active

046221492

ABSTRACT:
A process in which ferric ion in water-soluble form is added to an effluent containing cyanide, arsenic and antimony and having a pH of about 5 to 9 and treating effluent with SO.sub.2 and oxygen in the presence of soluble copper to produce a treated effluent having very low contents of cyanide, arsenic and antimony.

REFERENCES:
patent: 4211646 (1980-07-01), Westbrook et al.
patent: 4537686 (1985-08-01), Borbely et al.
patent: 4548718 (1985-10-01), Muir

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