ZA811461B
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1982-04-28
Refractory metal recovery process
ZA835167B
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1984-05-30
Hydrometallurgical recovery of metal values from copper containing sulphide materials
GB2118578B
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1986-05-14
Method of recovering metals from liquid slag
EP0158910A3
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1987-10-07
Process for recovering copper from an ammoniacal copper-etching solution, and regeneration of this solution
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1986-11-20
Process and apparatus for recovering heat from molten slag
DE3371796D1
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1987-07-02
Metal recovery process
GB2069472B
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1984-06-27
Process for recovering precious metals
DE3166290D1
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1984-10-31
Process for the recovery of metals from their ores
DE3365627D1
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1986-10-02
Process for recovering noble metals from solutions
ZA83392B
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1983-10-26
Process for the recovery of metal values from mattes
YU98181A
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1983-04-30
Process for recovering metals
ZA856246B
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1986-03-26
Smelting process for recovering metals,and apparatus for carrying out that process
IL70042A0
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1984-01-31
Process for the recovery of heavy metals from acidic solutions
PL237264A2
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1983-05-09
Process for recovery of metals,especiallly of copper from copper slags
YU43323B
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1989-06-30
Process for the separation of selenium from remaining slag at copper production
YU287881A
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1983-12-31
Process for leaching copper and aresenic from the copper slag
AU545828B2
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1985-08-01
Hydrometallurgical recovery of metal from copper containing sulphide materials
DE3276910D1
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1987-09-10
Process for the selective recovery of lead from lead sulphides
PL244069A1
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1985-04-09
Process for recovery of metals from slags
PL243414A1
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1985-02-13
Process for recovery metals from slag
ZA838949B
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1984-07-25
Recovery of precious metals
ZA828597B
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1983-09-28
Method for recovering gold from refractory ores
IE821858L
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1983-02-12
Recovery of metals from solution
ZM1680A1
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1980-10-21
Process for recovering copper
DE3168213D1
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1985-02-28
Apparatus for recovering metals from solution