Foerfarande foer fysikaalisk-kemisk behandling av silver- och blyhaltiga avfallsprodukter fraon hydrometallurgisk zinkindustri med beaktande av aotervaendning i hydrometallurgiska processer varvid silvrot och bly
ES481727A1
Physico:chemical treatment of silver:lead residues - obtd. in winning zinc, and which are treated with sodium chloride or acid solns. to obtain filter cake used for winning silver and lead
ES476521A1
Chemico:physical treatment of residues contg. lead - by washing with water or brine, then roasting so lead can be recovered by hydrometallurgical treatment
ES476522A1
Procedure for the obtaining of high concentration lead chloride from plumbing waste, for its subsequent utilization in a hydrometalurgical lead benefit process (Machine-translation by Google Translate, not legally binding)
ES476231A2
Improvements introduced in the object of the patent: procedure for obtaining lead salts from lead sulphate. (Machine-translation by Google Translate, not legally binding)
ES471012A1
Procedure for obtaining lead salts from lead sulfate (Machine-translation by Google Translate, not legally binding)
