Application of the adhesion separation process to separate solid particles according to their mass
DE1150031B
Process for the flotation of copper and lead minerals from finely grown complex and pyritic lead-copper-zinc ores
ES232249A1
Procedure for the decomposition of mixed oxides of cinc and lead (Machine-translation by Google Translate, not legally binding)
DE1020794B
Process for refining molten metal
DE1036240B
Process and device for the production of pure copper sulphate solution from heavily contaminated raw copper
DE1031971B
Process and device for the decomposition of technical zinc-lead mixed oxides
DE956994C
Process for dismantling technical zinc-lead mixed oxides
DE1020796B
Process for the preparation of hut products containing arsenic and antimony, in particular meals
DE933589C
Method and device for desilvering working lead
DE972662C
Process for removing tin from alloys, especially lead
US2676010A
Apparatus for the melt-recovery of zinc
GB692067A
Improvements relating to apparatus for the recovery of zinc
GB693232A
Improvements relating to methods of and apparatus for the production of zinc
DE823789C
Process for processing arsenic and antimony as well as goods containing heavy metals, in particular metallurgical raw materials and intermediate products
DE967875C
Method and device for smelting zinc from waste and intermediate products containing metallic zinc
DE809852C
Process and device for zinc extraction in standing reduction rooms
DE915624C
Process for removing copper from hard lead
DE803180C
Process for the production of ferromagnetic parts with low coercive force and low electrical conductivity
DE802849C
Blast furnace for volatilization of metals from poor ores, slag, etc. like (half-shaft furnace)
DE869782C
Selective foam floating process for zinc blende and pyrite ore mixtures
