119347 ⎘
Obtaining copper; Preliminary treatment with modification of the copper constituent by roasting Oxidizing roasting
METHOD FOR RECOVERING VALUABLE METALS
#2METHOD FOR PROCESSING ALLOY
#3Method for recovering valuable metal
#4METHOD FOR RECOVERING VALUABLE METAL
#5METHOD FOR PRODUCING COPPER METAL FROM COPPER CONCENTRATES WITHOUT GENERATING WASTE
#6Treatment of complex sulfide concentrate
#7COPPER PROCESSING METHOD
#8Selective reduction of cupriferous calcine