Process for leaching sulfide minerals

Details Process for leaching sulfide minerals Process for leaching sulfide minerals

1974-09-26

1976-05-25

Vertiz, Oscar R.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ib metal

423 41, 423 98, 423109, 423150, 75101R, 75104, C01G 300, C01G 900, C01G 2100, C01G 5300

Patent

active

039594360

ABSTRACT:
An improvement in the process of leaching metal sulfide minerals with an oxidative leaching solution is obtained by adding to the leaching solution over only a portion of the leaching cycle aqueous hydrogen peroxide in an amount ranging from about 2 to about 25 percent by weight of the quantity of hydrogen peroxide required to bring the metal value of the mineral into solution if hydrogen peroxide were used as the sole oxidizing agent.

REFERENCES:
patent: 617911 (1899-01-01), Smith et al.
patent: 1021768 (1912-04-01), Gahl
patent: 1032400 (1912-07-01), Gunther
patent: 1041407 (1912-10-01), Baxeres
Schumb et al., Hydrogen Peroxide, Reinhold Publishing Corp., New York, 1955, pp. 491, 594, 597, 598.

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