Heavy metal recovery process

Details Heavy metal recovery process Heavy metal recovery process

1989-10-06

1990-09-18

Hruskoci, Peter

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210725, 210729, 210737, 210912, 210913, 210914, 4235611, 4235661, 564 75, C02F 1114

Patent

active

049576348

ABSTRACT:
A useful method for the recovery of heavy metal sulfides and alkali or alkaline earth metal salts of N-substituted dithiocarbamic acids from material containing heavy metal salts of N-substituted dithiocarbamic acids.

REFERENCES:
patent: 3755161 (1973-08-01), Yokota et al.
patent: 3892688 (1975-07-01), Motani et al.
patent: 4038180 (1977-07-01), Talbert
patent: 4083924 (1978-04-01), Styring
patent: 4578195 (1986-03-01), Moore et al.
patent: 4624790 (1986-11-01), Kamperman et al.
patent: 4670160 (1987-06-01), Moriya et al.

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