CA1027849A
(en )
1978-03-14
In situ leaching and recovery of uranium from ore deposits
ZA753152B
(en )
1976-04-28
Method of selectively bringing into solution the non-ferrous metals contained in sulphurized ores and concentrates
AU8792975A
(en )
1977-07-07
Recovery of non-ferrous metals from oxide ores and concen- trates
YU352374A
(en )
1982-02-28
New process for the enrichment of ores and minerals
JPS52133013A
(en )
1977-11-08
Concentration of illumenite ore
ZA745109B
(en )
1976-03-31
The separation of platinum group metals and gold
ZA767530B
(en )
1978-06-28
Process for leaching and precipitating metal from metal containing solid
ZA725490B
(en )
1973-09-26
Improvements in or relating to the separation and purification of platinum group metals and gold
ZA752093B
(en )
1976-03-31
The separation and/or purification of precious metals
ZA747922B
(en )
1975-12-31
Improvements in and relating to the separation of metals
ZM12975A1
(en )
1977-06-21
Recovery of non-ferrous metals from sulphate solutions
ZA761877B
(en )
1977-03-30
Recovery of nitric acid soluble transition metals from sulfur and iron containing ores of the same
ZA75593B
(en )
1976-09-29
A process for the treatment of mixtures of platinum group metals and gold
ZA725489B
(en )
1973-09-26
Improvements in or relating to the separation and purification of platinum group metals and gold
ZA746550B
(en )
1976-02-25
Improvements in the recovery of values from ores containing platinum group metals and gold
ZA751710B
(en )
1976-02-25
Improvements in and relating to the separation of metals
ZA735634B
(en )
1974-10-30
Improvements in the recovery of values from ores containing platinum group metals or gold
ZA751067B
(en )
1976-01-28
Improvement in the selective reduction of oxidised metal ores
ZM11772A1
(en )
1973-05-21
Improvements relating to the recovery and separation of platinum group metals and gold
ZA751363B
(en )
1976-02-25
Improvements in the extraction of metals
ZA772360B
(en )
1978-03-29
Improvements in the hydrometallurgical recovery of metal values
AU467892B2
(en )
1975-12-18
Improvements in or relating tothe separation and purification of platinum group metals and gold
ZA753447B
(en )
1977-02-23
Improvements in the treatment of zirconium containing ore
AU495021B2
(en )
1976-12-09
Improvements in and relating to the recovery of nickel and other metals from sulphide ores
ZA772358B
(en )
1978-03-29
Improvements in the hydrometallurgical recovery of metal values