Hydrometallurgical processing of metal sulfides

Details Hydrometallurgical processing of metal sulfides Hydrometallurgical processing of metal sulfides

1975-11-12

1977-06-21

Ozaki, G.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75117, 75119, 204117, 423 27, 423 32, C22B 1510

Patent

active

040309177

ABSTRACT:
A low pressure, low temperature, hydrometallurgical process for the recovery of metal values from chalcopyrite and other metals and other metal sulfides. The process provides for all sulfur recovery as sulfuric acid and is nonpolluting, uses no neutralizing agents, and produces no waste products.

REFERENCES:
patent: 2727819 (1955-12-01), Kenny et al.
patent: 2822263 (1958-02-01), Forward
patent: 3817743 (1974-06-01), Sardisco
patent: 3891522 (1975-06-01), McKay et al.
patent: 3933478 (1976-01-01), Moore

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