US4940488B1
(en )
1999-08-10
Method of smelting reduction of ores containing metal oxides
EP0209880A3
(en )
1988-08-03
Method of operating blast furnace
ZA866029B
(en )
1987-03-25
Process for metal recovery and compositions useful therein
DE3476446D1
(en )
1989-03-02
An electric arc fired cupola for remelting of metal chips
AU579243B2
(en )
1988-11-17
Method for continuous reduction of molten metallurgical slag in an electric furnace
GB8826765D0
(en )
1988-12-21
Apparatus for successively fusing small particles of nonferrous metal
GB2115125B
(en )
1985-06-05
Apparatus for separating solid and molten particles from the exhaust gases of metallurgical furnaces and a method of recovering lead from such gases
GB2181722B
(en )
1989-08-02
Method for the recovery of precious metals from ores
CS274656B2
(en )
1991-09-15
Method of blast furnace and generator gas treatment and equipment for this method realization
EP0224209A3
(en )
1988-04-27
Process for recovery of rare metals
PL252970A1
(en )
1986-10-21
Method of dedusting gases leaving an electric furnace for recovering copper and other metals
ZA856246B
(en )
1986-03-26
Smelting process for recovering metals,and apparatus for carrying out that process
GB2181746B
(en )
1989-09-13
Recovery of volatile metal values from metallurgical slags
ZA832785B
(en )
1984-11-28
Method and means of charging electrothermic smelting furnaces
GB2206956B
(en )
1991-07-24
Apparatus for utilizing the exhaust gases of an electric smelting furnace for steel
GB2182351B
(en )
1989-09-27
Methods of heat-treating metal
ZA889128B
(en )
1989-08-30
Method of smelting reduction of ores containing metal oxides
EP0164878A3
(en )
1987-03-04
Method of operating metallurgical furnace and a metallurgical furnace apparatus
AU6472186A
(en )
1987-04-24
A method and apparatus for recovering copper from ores containing copper and iron sulphide
PL247039A1
(en )
1985-07-16
Method of recovering metals,in particular copper,in an electric furnace
ZA868840B
(en )
1987-07-29
Process for recovery of rare metals
PH21914A
(en )
1988-04-08
Method of operating the smelting furnace for non-ferrous metals
GB8529508D0
(en )
1986-01-08
Recovery of copper from furnace products
GB2179724B
(en )
1990-02-28
Apparatus for introducing gas into molten metal
PL244153A1
(en )
1985-04-24
Method of cooling of gases,especially from shaft furnace for melting copper concentrates into copper matte and apparatus therefor