PH18315A
(en )
1985-05-29
Acid leaching of lateritic nickel ores
YU129684A
(en )
1988-02-29
Process for separating nickel from laterite ore
GB2073239B
(en )
1984-08-30
Coal extraction process
DE3170958D1
(en )
1985-07-18
Process for recovering zinc from zinc ferrite material
ZA884660B
(en )
1990-03-28
Binder for metal-containing ores
GB2018732B
(en )
1982-06-23
Nickel recovery from sulphur-deficient mattes
AU2126377A
(en )
1978-07-20
Hydrometallurgical extraction of metals from ores
GB2069472B
(en )
1984-06-27
Process for recovering precious metals
PT75117B
(en )
1984-05-09
Coffee extraction process
AU548582B2
(en )
1985-12-19
Recovering and separating nickel and cobalt from sulphides
DE3166290D1
(en )
1984-10-31
Process for the recovery of metals from their ores
ZA838338B
(en )
1984-06-27
Metals recovery
AU517492B2
(en )
1981-08-06
Extracting nickel from lateritic ores
YU312479A
(en )
1983-01-21
Process for obtaining nickel from laterite ores
ZW18883A1
(en )
1983-11-23
Leaching refractory gold ores
ZA807913B
(en )
1982-01-27
Improved leaching process for metal ores
GB2068921B
(en )
1983-11-16
Precious metals recovery process
CU35551A
(en )
1982-12-22
Cobalt extraction starting from lateritic ores
ZA82809B
(en )
1983-01-26
Liquid-liquid extraction process
GB2086872B
(en )
1984-06-20
Acid leaching of lateritic nickel ores
AU544456B2
(en )
1985-05-30
Leaching ores under pressure
AU2558577A
(en )
1978-11-30
Extracting uranium from ores
YU287881A
(en )
1983-12-31
Process for leaching copper and aresenic from the copper slag
GB2102301B
(en )
1984-08-01
Solids extraction process
YU171482A
(en )
1985-03-20
Process for the ferronickel from nickel oxide ores