Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1981-04-16
1982-06-29
Hearn, Brian E.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
204117, 204118, 75104, 75117, 75118R, 75120, 423 38, 423 98, 423100, 423109, C25C 112, C25C 116, C22B 300
Patent
active
043371280
ABSTRACT:
A method of leaching of metal sulphide-containing material is disclosed. The metal sulphides can be iron, copper, lead, silver, mercury and/or zinc. The leaching is effected by means of chloride-containing solutions through red-ox reaction. The metal sulphide-containing material is reacted with a solution which consists chiefly of cupric chloride and ferric chloride.
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Haakonsen Carl
Thomassen Thomas
Elkem a/s
Falconbridge Nickel Mines, Ltd.
Falconbridge Nikkelverk A/S
Hearn Brian E.
The Superior Oil Company
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