EP0221187A4
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1987-09-16
METHOD FOR DISSOLVATION AND RECOVERY OF PRECIOUS METALS.
AU566135B2
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1987-10-08
Arsenopyrite nitric acid leach for gold recovery
EP0158910A3
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1987-10-07
Process for recovering copper from an ammoniacal copper-etching solution, and regeneration of this solution
AU566762B2
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1987-10-29
Acid leach process for nickel copper mattes
GB8903906D0
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1989-04-05
Electrolytic process for recovering lithium from aluminum-lithium alloy scrap
GB2181121B
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1989-01-18
Selective recovery of zinc from metal containing brines
AU7792887A
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1988-04-14
Method for precipitating and separating metals
GB2181722B
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1989-08-02
Method for the recovery of precious metals from ores
ZA854176B
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1986-01-29
Extractants and method for the recovery of palladium
RO104104B1
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1992-05-06
Selective recovery method of zinc and copper from acid solutions produced by hydro-metallurgical means
GB9015419D0
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1990-08-29
Zinc recovery process
PT81258B
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1987-03-23
Process for recovering zinc from ores and concentrates
EP0219213A3
(en )
1988-06-15
Method of recovering gallium from scrap containing gallium
ZA907473B
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1991-12-24
Sulphuric acid recovery process
JPS52152817A
(en )
1977-12-19
Separating and recovering method of metallic copper from ammoniacal solution
RO90071A2
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1986-08-30
Procedeu de recuperare a paladiului argintului si cuprului din deseurri de aliaje
JPS6421089A
(en )
1989-01-24
Method and apparatus for producing or recovering acid
GB2282823B
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1997-01-08
Recovery of precious metals from acid solutions by electroactive polymers
BG43240A1
(en )
1988-05-16
Method for extracting of silver, zinc, cadmium, copper and ferric iron from aqueous solutions
CS275029B2
(en )
1992-01-15
Method of heavy metals above all cadmium, lead and mercury removal from extractive phosphoric acid
PL241952A2
(en )
1984-03-12
Method of recovery of zinc from spent solutions formed in the process of lead plating of copper pieces
AU591429B2
(en )
1989-11-30
Method of processing residues from the hydrometallurgical production of zinc
AU591429C
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1992-08-13
Method of processing residues from the hydrometallurgical production of zinc
GB8701808D0
(en )
1987-03-04
Recovery of silver from metal encapsulated batteries
PL260596A1
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1988-05-12
Method for zinc recovery from wastes derived during production of litopon