Arsenic, Copper electrolyte sludge, Vacuum, Sulfur, thermodynamics
Arsenic, Copper smelting dust, Vacuum roasting, Pyrite, Hazardous wastes
Hazardous waste, CRT funnel glass, Red mud, Enhance delead, Resource reutilization
selenium, valuable metals, Vacuum volatilization, High efficiency, Purification
Arsenic, Copper smelting flue dust, Vacuum roasting, Pyrite, Hazardous waste
Arsenic, Antimony, Separation, Vacuum sublimation, Purification