US4940488B1
(en )
1999-08-10
Method of smelting reduction of ores containing metal oxides
EP0177291A3
(en )
1988-04-06
Recovery of gold from auriferous refractory iron-containing sulphidic ore
PH21107A
(en )
1987-07-16
Process for the pressure oxidation acid leaching of non-ferrous metal and iron-containing sulphidic material
ZA906892B
(en )
1991-06-26
Method of operating in-bath smelting reduction furnace
PT81220A
(en )
1985-10-01
Recovery of gold from refractory auriferons iron-containing sulphidic concentrates
PL255363A1
(en )
1987-10-19
Method of recoverin a metal from its ore
EP0184405A3
(en )
1986-10-29
Processes and apparatus for the smelting reduction of ores
AU2474288A
(en )
1989-06-08
Metal-making apparatus involving the smelting reduction of metallic oxides
DE3662700D1
(en )
1989-05-11
Process for reducing the oxidation level of metallic oxides
ZA902471B
(en )
1991-01-30
Recovery of metal values from ores
EP0428098A3
(en )
1991-11-21
Improved method of reducing iron ore
GB8602039D0
(en )
1986-03-05
Metallurgical smelting furnace & sidewall
AU624893B2
(en )
1992-06-25
Method for smelting reduction of ni ore
ZA863819B
(en )
1987-01-28
Process for the reduction of iron-containing chrome ores
GB8619735D0
(en )
1986-09-24
Recovery of precious metals from ores
EP0209861A3
(en )
1987-12-02
Melt-reductive iron making method from iron ore
ZA889128B
(en )
1989-08-30
Method of smelting reduction of ores containing metal oxides
GB2181746B
(en )
1989-09-13
Recovery of volatile metal values from metallurgical slags
ZA888247B
(en )
1989-08-30
Metal-making apparatus involving the smelting reduction of metallic oxides
AU600398C
(en )
1998-05-07
Method of smelting reduction of ores containing metal oxides
AU2657988A
(en )
1989-06-08
Method of smelting reduction of ores containing metal oxides
AU6776687A
(en )
1988-04-21
Method of concentration of refractory oxidized copper ores
PH21914A
(en )
1988-04-08
Method of operating the smelting furnace for non-ferrous metals
ZA906860B
(en )
1991-06-26
Method of in-bath smelting reduction of metals and in-bath smelting reduction furnace
GB8825366D0
(en )
1988-11-30
Treatment of precious metal ores