Method for removing heavy metal from wastewater streams

Details Method for removing heavy metal from wastewater streams Method for removing heavy metal from wastewater streams

1985-06-20

1986-09-16

Hruskoci, Peter

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210726, 210912, 423 34, 423 92, 423101, C02F 152

Patent

active

046121250

ABSTRACT:
A method for removing heavy metals from wastewater streams removes such heavy metal by treating heavy metal-containing wastewater with a water soluble tri-thio carbonate, particularly an alkali metal tri-thio carbonate, such as sodium tri-thio carbonate (Na.sub.2 CS.sub.3) to precipitate heavy metals therefrom.

REFERENCES:
patent: 3879525 (1975-04-01), Miyata et al.
patent: 3966601 (1976-06-01), Stevenson et al.
patent: 4166032 (1979-08-01), Hanway, Jr. et al.
patent: 4425230 (1984-01-01), Andress et al.
patent: 4459237 (1984-07-01), Bresson et al.

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