Method of concentrating silver from anode slime

Details Method of concentrating silver from anode slime Method of concentrating silver from anode slime

1982-06-16

1983-02-15

Vertiz, O. R.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ib metal

423 34, 423 95, 423 98, 75 99, C01G 2120

Patent

active

043740987

ABSTRACT:
A method of concentrating silver from anode slime which comprises reacting an intermediate product obtained by treatment of the slime, the intermediate product containing lead in sulfate form and silver in chloride form, with an aqueous solution of an alkali hydroxide or carbonate. The obtained reaction product is then subjected to solid-liquid separation, and the resulting residue is reacted with a nitric acid solution so that the lead therein may be separated into a filtrate, while the silver will remain in the residue.

REFERENCES:
patent: 4094668 (1978-06-01), Yannopoulas et al.
Safanov, V. V. Lyatkina et al. Tv. "Mosle Khim-Tekknol Inst. 1969, 161-164 (Russ) abstracted in Chem. Abs. vol. 75 93960z.
Habashi, Fathi Principles of Extractive Metallurgy vol. II, 1970.

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