ZA937288B
(en )
1994-04-25
Hydrometallurgical process for the recovery of precious metal values from precious metal ores with thiosulfate lixiviant
DE3164884D1
(en )
1984-08-23
Process for the extraction of precious metals from concentrates thereof
ZA894780B
(en )
1991-05-29
Process for extracting metal values from ores
ZA947706B
(en )
1996-02-06
Recovery of precious metal values from refractory ores
ZA936801B
(en )
1994-04-14
A method for recovering gold and other precious metals from carbonaceuous ores
DE3070788D1
(en )
1985-08-01
A process for recovering non-ferrous metal values from ores, concentrates, oxidic roasting products or slags
AU558324B2
(en )
1987-01-29
Recovery of metals from complex sulphidic ore concentrates
ZA898124B
(en )
1990-08-29
A process for recovering gold from refractory sulfidic ores
PT69561A
(en )
1979-05-01
Process for the roasting and chlorination of finely-divided iron ores and/or concentrates containing non-ferrous metals
GB2069472B
(en )
1984-06-27
Process for recovering precious metals
ZA81571B
(en )
1982-03-31
Process for the recovery of copper and zinc values from sulphidic ore
PT77524A
(en )
1983-11-01
Process for recovering non-ferrous metal values from a sulphide concentrate
ZM4981A1
(en )
1981-12-21
A hydrometallurgical process for the recovery of valuable metals from metallic alloys
GB2048309B
(en )
1983-01-12
Method of recovering non-ferrous metals from their sulphide ores
DE3067998D1
(en )
1984-07-05
A method of recovering non-ferrous metals from their sulphide ores
ZA925795B
(en )
1993-04-28
Process for improved precious metals recovery from ores with the use of alkylhydroxamate collectors
DE3166290D1
(en )
1984-10-31
Process for the recovery of metals from their ores
DE2965903D1
(en )
1983-08-25
A hydrometallurgical process for recovering precious metals from anode slime
ZM4181A1
(en )
1981-10-21
A process for recovering non-ferrous metal values from ores,concentrates,oxidic roasting products,or slags
PH18014A
(en )
1985-02-28
A process for recovering non-ferrous metal values from ores,concentrates,oxidic roasting products,or slags
PT81258B
(en )
1987-03-23
Process for recovering zinc from ores and concentrates
ZA821298B
(en )
1983-09-28
Process of leaching ores, ore concentrates, intermediate metallurgical products and the like under pressure
DE3279726D1
(en )
1989-07-06
Recovery of precious metals from leach residues
ZA807913B
(en )
1982-01-27
Improved leaching process for metal ores
NZ226529A
(en )
1990-10-26
Process for recovering a valuable metal from an ore