SPENT AND/OR DECOMMISSIONED LEAD-ACID ACCUMULATOR TREATMENT PLANTS AND/OR PROCESSES

METHOD AND APPARATUS FOR RECOVERING COPPER, BRONZE AND LEAD FROM MIXTURE OF COPPER OXIDE, TIN OXIDE AND LEAD OXIDE

METHOD FOR RECOVERING IRON AND VALUABLE METALS FROM ELECTRIC ARC FURNACE DUST

Method and apparatus for recovering copper, bronze and lead from mixture of copper oxide, tin oxide and lead oxide

Copper production process

DEVICE FOR FRACTIONAL CONDENSATION OF ARSENIC LEAD VAPOR MIXTURE AND APPLICATION METHOD THEREOF

Method and apparatus for the production of lead 212 for medical use

Reduction device using liquid metal

Fuming furnace with lead collecting and discharging function

Process for recovering value metals from ore

Rotation-suspension smelting method, a burner and a metallurgical equipment

Treatment of high sulphur solids

Method and apparatus for the production of lead 212 for medical use

Apparatus and methods for purifying lead

Apparatus for direct smelting of zinc bearing compounds to produce metallic zinc

Direct smelting of zinc bearing compounds to produce metallic zinc

DIRECT PROCESSING OF METALLIC ORE CONCENTRATES INTO FERROALLOYS

Direct processing of ferrotitania ores and sands

Swirling column nozzle, swirling column smelting equipment using the same, and swirling column smelting method

Method and apparatus for lead smelting

Electroslag smelting system and method

Utilization of lead shavings in abrasion mills for the production of lead oxide

Method for removing arsenic from copper smelting soot and comprehensive recovery of valuable metals