What are the ore dressing processes for nickel sulfide ore?
Nickel sulfide ore is one of the important sources of nickel, mainly composed of nickel-iron sulfide ((Ni,Fe)9S8), millerite (Ni3S2) and other nickel sulfide minerals. Because these minerals usually coexist with other metal sulfides (such as copper, cobalt, platinum group metals, etc.), and are often accompanied by a large number of gangue minerals, it is necessary to adopt appropriate beneficiation processes to improve the grade and recovery rate of nickel. At present, the common methods include flotation, magnetic separation, gravity separation, oxidation roasting-leaching, and bioleaching.
2025/03/10
Phosphate ore scrubbing process and flow
Phosphate rock is an important raw material for the production of phosphate fertilizers and other chemical products. It is mainly composed of apatite minerals, including fluorapatite (Ca5(PO4)3F) and chlorapatite (Ca5(PO4)3Cl).
2025/03/10
What are the methods for gold extraction from cyanide leaching solution?
Gold extraction from cyanide leach solution is a process that uses specific technologies to separate, recover, and purify gold from gold-containing cyanide leach solutions. The principle of this method is mainly based on the good solubility of gold in cyanide solutions. Cyanide can form stable complexes with gold, thus dissolving gold from the ore. After obtaining the cyanide leach solution, processes such as activated carbon adsorption, ion exchange resin, solvent extraction, or zinc powder replacement are usually used to extract the gold.
2025/03/10
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