Separation of copper from chalcopyrite using hydrochloric acid

Details Separation of copper from chalcopyrite using hydrochloric acid Separation of copper from chalcopyrite using hydrochloric acid

1998-02-24

1999-08-31

Bos, Steven

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ib metal

C22B 1500

Patent

active

059450770

ABSTRACT:
A method of separating copper from chalcopyrite, including heating a mixture containing chalcopyrite particles containing copper components and hydrochloric acid at a temperature of at least 110.degree. C. for a period of time sufficient to convert the copper components into a water-soluble state. The heated mixture is then mixed with water to leach out the water-soluble copper components from the particles into water.

REFERENCES:
patent: 874496 (1907-12-01), Gates et al.
patent: 972149 (1910-10-01), Baker
patent: 1571502 (1926-02-01), Venn-Brown
patent: 1833685 (1931-11-01), Meyer
patent: 3896208 (1975-07-01), Dubeck et al.
patent: 3923616 (1975-12-01), Atadan et al.
patent: 3985555 (1976-10-01), Shirts et al.
patent: 3988417 (1976-10-01), Polinsky

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