Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1979-10-22
1981-12-08
Hearn, Brian E.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
423 36, 423150, 75119, C01G 5100, C01G 5300, C25C 112
Patent
active
043046444
ABSTRACT:
A process is provided for treating a matte for selective extraction of nonferrous metals using a single stage oxidative pressure leach wherein leaching is carried out in a continuous manner and relatively mild conditions on an aqueous slurry of the matte having a specific sulfur adjustment, having copper present in the aqueous phase, and having a final pH of less than .about.4 but not less than .about.3.
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Nissen Norman C.
Subramanian Kohur N.
Victorovich Grigori S.
Hearn Brian E.
Kenny Raymond J.
Leff Miriam W.
The International Nickel Company Inc.
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