Biomining of gallium and germanium containing ores
Desulfation of battery mud
Detinning process
Electrochemical elimination of nickel from lead containing chlor
Enrichment of silicon or germanium isotopes
Halogen tin electrodeposition bath sludge treatment
Hydrometallurgical process for separating lead and zinc from oxi
Hydrometallurgical treatment of metallurgical dust
Lead removal method
Liquid-liquid extraction of germanium from aqueous solution usin
Method and apparatus for germanium reclamation from chemical vap
Method and apparatus for removing metal contamination from soil
Method for collection of valuable metal from ITO scrap
Method for control of shape and size of PB-chalcogenide...
Method for desulfation of battery mud
Method for purifying leady oxides
Method for removal of heavy metals from aqueous solutions using
Method for utilizing PH control in the recovery of metal and che
Method of detoxifying organotin-containing paint residues
Method of making alkali metal stannates