ZA734230B
(en )
1974-07-31
Process for recovering manganese values from low grade oxidized manganese containing ores
CA995468A
(en )
1976-08-24
Nitric acid process for recovering metal values from sulfide ore materials containing iron sulfides
PH13567A
(en )
1980-06-26
Process for the recovery of zinc
CA1031968A
(en )
1978-05-30
Hydrometallurgical recovery of metal values
ZA741339B
(en )
1975-01-29
Process for recovering manganese from its ore
CA1028651A
(en )
1978-03-28
Process for the electrolytic recovery of copper from its sulfide ores
ZA755334B
(en )
1976-07-28
Improve process for recovering metal values from manganese nodules
ZA745433B
(en )
1975-09-24
Ore purification process
ZA764306B
(en )
1977-08-31
Manganese ore reduction
CA1034385A
(en )
1978-07-11
Process of recovering metals from ultrabasic rock
CA1022345A
(en )
1977-12-13
Process for recovering metals
PH10130A
(en )
1976-09-02
Process for recovering manganese values from low grade oxidized manganese containing ores
AU503831B2
(en )
1979-09-20
Recovering metal values from manganese nodules ore using manganese nodules for oxidation leaching
AU483346B2
(en )
1975-08-28
Process for recovering manganese from its ore
AU492402B1
(en )
1975-09-18
Recovery of manganese from manganese ores
CA1011954A
(en )
1977-06-14
Recovery of metal values from ores
AU7394774A
(en )
1976-04-08
Flotation from ores
CA992329A
(en )
1976-07-06
Recovery of precious metal values from ores
CA1012089A
(en )
1977-06-14
Process for the electrolytic recovery of various metals from their sulfide ores
PH10324A
(en )
1976-11-29
Recovery of metal values from ores
CA877232A
(en )
1971-08-03
Method of recovering manganese as a sulfate solution from the ore containing manganese dioxide
AU480304B2
(en )
1975-05-22
Recovery of tungsten from low grade tungsten ores
ZA743614B
(en )
1975-05-28
Electrolytic process for the recovery of metals from sulfides
AU6982174A
(en )
1975-12-11
Leaching copper ore
AU488296B2
(en )
1976-04-15
Hydrometallurgical recovery of metal values