ZA764364B
(en )
1977-08-31
Improved process for the recovery of non-ferrous metals from acidic hydrometallurgical ach liquors with a chelate exchange resin
PH14023A
(en )
1980-12-08
A process for extracting metals from aqueous solution
AU510928B2
(en )
1980-07-24
Hydrometallurgical recovery of metals from sulphide ores
JPS52148418A
(en )
1977-12-09
Hydrometallurgical process for recovering copper from concentrates of sulphide ores
AU510584B2
(en )
1980-07-03
Recovering nickel by leaching laterite ores
ZA763823B
(en )
1977-05-25
A method of recovering non-ferrous metals from sulphidic materials
AU507337B2
(en )
1980-02-14
Hydrometallurgical extraction of metals from ores
YU31576A
(en )
1982-06-30
Process for extracting copper from ores
ZA813485B
(en )
1982-05-26
A hydrometallurgical process for the recovery of valuable metlas from metallic alloys
DE3067998D1
(en )
1984-07-05
A method of recovering non-ferrous metals from their sulphide ores
DE2965903D1
(en )
1983-08-25
A hydrometallurgical process for recovering precious metals from anode slime
PH9986A
(en )
1976-07-13
A hydrometallurgical process for the recovery of copper from sulphide ores by oxidation with air or oxygen in ammoniacal solutions
PH13294A
(en )
1980-03-04
Process for the recovery of non-ferrous metals from acidic hydrometallurgical leach liquors with a chelate resin
ZA761531B
(en )
1977-03-30
Process for precipitating precious metals from solutions which contain them
GB2009123B
(en )
1982-09-22
Manganese ore leaching process
PH11116A
(en )
1977-10-27
Process for the recovery of non-ferrous metals
PH9600A
(en )
1976-01-19
Recovery of cobalt values from the leached ore tailings of a conventional ammoniacal leaching process
ZA807913B
(en )
1982-01-27
Improved leaching process for metal ores
ZM13774A1
(en )
1975-06-23
Hydrometallurgical method for recovering copper values from copper concentrates
ZM6674A1
(en )
1974-12-20
Pyrometallurgical process for producing metallic copper from copper sulphide concentrates
PT67463B
(en )
1979-05-25
Process for the extraction of uranium from its ores
ZA755335B
(en )
1976-07-28
Improved process for recovering metal valves from manganese ore using manganese modules for oxidation leaching
AU538476B2
(en )
1984-08-16
Recovering metals from ammoniacal liquors
ZA78709B
(en )
1979-01-31
A process for refining mattes of non-ferrous metals
ZA774502B
(en )
1978-06-28
Process for upgrading iron ore pellets