Process for the production of lead from sulphide ores
CA1275635C
Procedure for the cathodic electrowinning of metals, with the corresponding acid generation, from its salt solution
PT80167A
Electrolysis process of dissolved copper clorethes
ES8504266A1
Leaching procedure of copper sulphide concentrates from hydritic tetra containing arsenic and antimony in high concentrations.
ES459468A1
Leaching of alkalline compound of zinc by utilizing alkyl phosphate containing organic solution
ES458700A1
Method of removing calsium coextracted from organic solution containing dii22ethylhexyl phosphoric acid
ES455624A1
Procedure for the manufacture of metal electrodes for electrochemical processes. (Machine-translation by Google Translate, not legally binding)
ES452238A1
Process for electrolysis of brine by mercury cathodes
ES447417A1
Process for elimination of mercury from industrial waste waters by means of extraction with solvents
ES444534A1
Procedure for purification of salmuera by extraction with solvents. (Machine-translation by Google Translate, not legally binding)
ES441536A1
Method of eliminating iron accumlated in liquiddliquid extraction organic phase containing dii22ethyl hexyl phosphoric acid
ES422872A1
Procedure for the manufacture of ammonium orthophosphates of alkaline metal or alkalinoterreo. (Machine-translation by Google Translate, not legally binding)
ES396408A1
Procedure to improve the manufacture of nitrogened fertilizer based on ammonium nitrate. (Machine-translation by Google Translate, not legally binding)
