Thermal treatment of leaching residue from hydrometallurgical zi

Details Thermal treatment of leaching residue from hydrometallurgical zi Thermal treatment of leaching residue from hydrometallurgical zi

1975-03-19

1978-02-07

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 77, 75 88, 75120, C22D 706

Patent

active

040725030

ABSTRACT:
Pyrometallurgical process for recovering lead, zinc and precious metals from leaching residues and precipitates occuring during the hydrometallurgical production of zinc, comprising a weak oxydizing and reducing treatment of the starting material.

REFERENCES:
patent: 1466793 (1923-09-01), Eustis et al.
patent: 2984562 (1961-05-01), Kohlmeyer
patent: 3493365 (1970-02-01), Pickering et al.
patent: 3663207 (1972-05-01), Themelis et al.
patent: 3684490 (1972-08-01), Steintveit
patent: 3743501 (1973-07-01), Cusanelli et al.

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