Hydrometallurgical process for treating nickel mattes

Details Hydrometallurgical process for treating nickel mattes Hydrometallurgical process for treating nickel mattes

1979-07-05

1980-12-02

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204112, 204117, 204119, 75 82, 75101BE, 423139, 423140, 423143, 423395, 423400, C25C 108, C22G 2304, C22G 300, C01G 5304

Patent

active

042369819

ABSTRACT:
This invention provides a process for treating a nickel matte to recover essentially pure nickel comprising: treating an aqueous mixture of the matte with chlorine to produce a solid residue and an aqueous lixiviating solution having a pH value which is substantially nil or positive; treating the lixiviating solution to produce a solution containing primarily nickel chloride; and electrolyzing the solution to recover pure nickel at the cathode.

REFERENCES:
patent: 3983018 (1976-09-01), Borbely et al.
patent: 4016054 (1977-04-01), Gandon et al.

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