Copper Ore Beneficiation Process

Copper ore beneficiation process

Copper ore beneficiation process

Copper is the harmful impurities of nickel smelting . But in the copper-nickel ore, copper grade has industrial recovery value. So the copper-nickel separation technology is an important topic in the copper-nickel ore beneficiation. Copper-nickel separation technology is divided into two kinds of mixed nickel concentrate separation and high-nickel matte separation, usually, the former for the coarse grain size of copper-nickel minerals and each other embedded in the cloth is not very close ore, the latter is used for copper and nickel mineral fine granularity and each other embedded in the cloth very dense ore.

Jiangsu zhongbo copper-nickel ore is symbiosis of large metal sulfide copper-nickel ore . Beneficiation process of the first concentrator include: broken three sections of a closed circuit; grinding the ore flotation process transformation grinding three sections, three sections flotation process.

Copper-nickel sulfide ores using pyrometallurgical Jinchuan Nickel Mine is no exception, the preparation of the basic process (roasting) - melting - blowing - Refining (electrolysis), part of the mine belonging to the serpentine class

Copper-nickel sulfide ores using pyrometallurgical Jinchuan Nickel Mine is no exception, the preparation of the basic process (roasting) - melting - blowing - refining (electrolysis), part of the mine belonging to the serpentine type ore copper-nickel minerals with each other dense embedded fabric directly using mechanical beneficiation methods carried out copper-nickel separation have difficulty therefore using high ice nickel flotation separation technology. copper-nickel mixed concentrate by the converter melting into nickel matte, and then the crushing and grinding floating craft, the final electrolysis into the final product - electrolytic nickel.

Jilin rock ore is copper-nickel ore, its beneficiation process use three sections of a closed-circuit crushing stage grinding, copper-nickel mixed - flotation separation, dehydration of three segments of nickel concentrate, copper concentrate two dehydration process.

The nickel oxide ore use a process of crushing, screening and other pre-remove weak degree of weathering and low nickel-containing chunks of bedrock. Nickel in nickel oxide ore often isomorphism dispersed in the gangue minerals, and particle size is very thin and therefore can not be enriched mechanical beneficiation methods, only the direct smelting.

Smelting nickel oxide ore enrichment methods can be divided into the fire and wet two categories. The former can be divided into made sulfur melting method of nickel-iron and ferrite; the latter are reductive roasting - atmospheric ammonia leaching high-pressure acid leaching.

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