DE3164884D1
(en )
1984-08-23
Process for the extraction of precious metals from concentrates thereof
ZA807196B
(en )
1981-08-26
Recovery of precious metals from difficult ores
PH17674A
(en )
1984-11-02
Roast-neutralization-leach technique for the treatment of laterite ore
AU507337B2
(en )
1980-02-14
Hydrometallurgical extraction of metals from ores
ZM8780A1
(en )
1981-10-21
Method and apparatus for the pyrometallurgical extraction of copper
YU31576A
(en )
1982-06-30
Process for extracting copper from ores
YU58378A
(en )
1982-05-31
Process for the extraction of metals from ores and metal sufides containing concentrates
ZM8183A1
(en )
1984-09-21
Process for the extraction of metal values and novel metal extractants
GB2001611B
(en )
1982-02-03
Hydrometallurgical process for the treatment of ores
ZA761902B
(en )
1977-11-30
Processing uranium ores
GB2133004B
(en )
1986-06-11
Process for the extraction of metal values and novel metal extractants
ZM3976A1
(en )
1977-03-21
Method and apparatus for the prevention of sulphide formation in copper ore concentrates
JPS5351125A
(en )
1978-05-10
Flotation of copper oxide ores
YU41919B
(en )
1988-02-29
Process for obtaining lead from ores and concentrates
ZA773268B
(en )
1978-07-26
Improved process for extracting uranium ores from ores and apparatus for carrying out the process
PT67463A
(en )
1978-01-01
Process for the extraction of uranium from its ores
HU175222B
(hu )
1980-06-28
Sposob izvlechenija medi iz rud i koncentratov
JPS5265104A
(en )
1977-05-30
Flotation method for copper ore and copper refinement sludge
ZA772360B
(en )
1978-03-29
Improvements in the hydrometallurgical recovery of metal values
AU1606276A
(en )
1978-01-26
The recovery of copper from copper concentrates
ZA772358B
(en )
1978-03-29
Improvements in the hydrometallurgical recovery of metal values
JPS52122210A
(en )
1977-10-14
Workinggup of ore contained 4b metals
AU502388B2
(en )
1979-07-26
Recovery of copper from ores and concentrates
AU510493B2
(en )
1980-06-26
Extracting metals from ores
EG12600A
(en )
1980-07-31
Production of base metals from ores and concentrates