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1992-10-07
Biooxidation process for recovery of metal values from sulfur-containing ore materials
AU647694B2
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1994-03-24
Recovery of precious metal values from refractory ores
GB9309144D0
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1993-06-16
Recovery of metals from sulphidic material
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1996-02-06
Recovery of precious metal values from refractory ores
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1994-04-25
Hydrometallurgical process for the recovery of precious metal values from precious metal ores with thiosulfate lixiviant
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1996-05-23
Method for improving the heap biooxidation rate of refractory sulfide ore particles that are biooxidated using recycled bioleachate solution
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1993-10-11
Process for treating ore having recoverable metal values including arsenic containing components
ZA894780B
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1991-05-29
Process for extracting metal values from ores
EP0508542A3
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1993-10-20
Process for treating ore having recoverable metal values including arsenic containing components
ZA903449B
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1991-02-27
Process and apparatus for the recovery of precious metals from slag,tailings and other materials
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1991-01-30
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1993-12-28
Process and apparatus for recovering metal values from ore
AP9801403A0
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1998-12-31
Process for the recovery of cobalt from ores containing metal sulfides
GB2210386B
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1992-06-10
Process for recovery of metals from metal/plastics waste
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1995-04-21
Process of roasting refractory gold ores
DE3166290D1
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1984-10-31
Process for the recovery of metals from their ores
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1993-03-31
Bio-oxidation process for recovery of metal values from sulfur-containing ore materials
ZA917775B
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1992-08-26
Process for the extraction of metals from metalliferous raw materials
NZ226529A
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1990-10-26
Process for recovering a valuable metal from an ore
NO180204C
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1997-03-05
Process for the recovery of metal content in precipitates from metallurgical waste and waste dust by suspension melting
AU4494693A
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1994-03-10
Process for recovery of precious metals from carbon bearing materials
GB2233668B
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1993-12-01
Process and apparatus for recovering heavy metal compounds from carbonaceous material
ZA933784B
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1993-12-22
Recovery of precious metals from materials containing said metals
ZA938047B
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1994-06-20
Process for recovering precious metals from tailings
ZA881171B
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1988-08-16
Process and apparatus for recovering precious metal particles from soil materials