HUT52460A
(en )
1990-07-28
Process for removing heavy metals, particularly cadmium from phosphoric acid containing solutions
AU619013B2
(en )
1992-01-16
Process for extracting metal values from ores
AU4414293A
(en )
1994-01-24
Hydrometallurgical copper extraction process
ZA951511B
(en )
1996-08-23
Hydrometallurgical extraction process
IL85771A0
(en )
1988-09-30
Process for the removal of metal ions from solutions
ZA952471B
(en )
1996-04-15
Precious metal extraction process
HUT47888A
(en )
1989-04-28
Process for separating metal from chloride-solutions
ZA958357B
(en )
1996-04-26
Process for extracting metals from solution
ZA879658B
(en )
1988-09-28
Process for removing heavy metals and other ions from an aqueous solution
GB2174688B
(en )
1989-04-26
Process for removing metal complexes from waste solutions
AU635953B2
(en )
1993-04-08
Process for eliminating heavy metals from phosphoric acid
EP0302337A3
(en )
1989-08-30
Process for separating metal sulphates from sulphuric acid
CS8901494A3
(en )
1992-01-15
Process for removing heavy metals, particularly cadmium and mercury from extraction phosphoric acid
PH27542A
(en )
1993-08-18
Improved process for the extraction of precious metal
AU1633183A
(en )
1984-01-05
Control device for metal ore extraction process
OA09450A
(en )
1992-10-15
Improved process for the removal of cadmium ions from phosphoric acid resulting from a wet process.
ZA835905B
(en )
1984-04-25
Method for removing arsenic from a sulphuric-acid solution
EG18470A
(en )
1993-02-28
Process for the mercury removal and recovery from wastewater
PL282305A1
(en )
1991-05-20
Method of removing fluor from phosphoric acid by extraction
AU6774387A
(en )
1988-06-16
Process for recovering metal values from ferrite wastes
PL263767A1
(en )
1988-09-29
Method for separating heavy metals from alkaline solutions
CS474490A3
(en )
1992-03-18
Process for removing cadmium from phosphoric acid solutions
PL261361A1
(en )
1988-06-23
Method for removing iron and sulfides from extracted phosphoric acid
ZM8188A1
(en )
1989-04-28
Metal extraction process
IL78615A0
(en )
1986-08-31
Process for the removal of metal ions from solutions