DE3364986D1
(en )
1986-09-04
Flotation of ores
ZA835167B
(en )
1984-05-30
Hydrometallurgical recovery of metal values from copper containing sulphide materials
PT77388A
(en )
1983-10-01
Process for separately recovering zinc and lead values from zinc and lead containing sulphidic ore
PT73779B
(en )
1983-01-17
Method of leaching of metal sulphide containing material
ZA837552B
(en )
1984-06-27
Recovery of metal values from sulphide concentrates
GB2048309B
(en )
1983-01-12
Method of recovering non-ferrous metals from their sulphide ores
ZA839394B
(en )
1984-08-29
Process for increasing the concentration of wanted metal values in an ore
YU69488A
(en )
1990-06-30
Process for altering ores and/or concentrates containing lead sulphide and lead zinc sulphide
JPS57110628A
(en )
1982-07-09
Separation of non-ferrous metal from iron containing ore
GB2181722B
(en )
1989-08-02
Method for the recovery of precious metals from ores
YU44364B
(en )
1990-06-30
Process for foam-flotation of sulfidic metallic ores
GB2127001B
(en )
1986-06-04
Recovery of precious metal(s)
PH23881A
(en )
1989-12-18
Process for the selective separation of base metal sulfides and oxides contained in the ore
PL237846A1
(en )
1984-02-13
Method of integral concentration of ores containing sulfides of non-ferrous metals
DE3380851D1
(en )
1989-12-21
Process for the reduction of molten metal ores
SU1176955A1
(en )
1985-09-07
Method of flotation of fluorite-containing ores
JPS56150194A
(en )
1981-11-20
Method of obtaining heavy metals from sulfide ore
GB2128973B
(en )
1986-08-13
Sinter method and plant for separating non-ferrous metals
ZA838949B
(en )
1984-07-25
Recovery of precious metals
BG36126A1
(en )
1984-09-14
Method for biological extraction of non- ferrous metals
PL234827A1
(en )
1983-08-01
Method of wining of metals from ores
ZA836015B
(en )
1984-05-30
Process for the selective separation of base metal sulfides and oxides contained in an ore
ZA839081B
(en )
1984-07-25
Recovery of precious metals
BG33690A1
(en )
1983-04-15
Method for geometallurgical treating of sulphide ores in underearth conditions by leaching
PL121449B2
(en )
1982-05-31
Process for recovery of non-ferrous metals