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Froth flotation process is the main mineral processing method used in the extraction of copper-nickel sulfide ore, while the  magnetic separation  process and  gravity separation  process are usually used as the auxiliary mineral processing methods. For the froth flotation process of copper-nickel sulfide ore, the collector and foaming agents of copper sulfide ore are often used. A basic principle for determining the froth flotation process is to make the copper into the nickel concentrate and avoid the nickel into the copper concentrate as far as possible. Because the nickel in the copper concentrate loses a lot in the smelting process, while the copper in the nickel concentrate are recovered completely. Here are four processes used in the froth flotation process of copper-nickel sulfide ore. 1. Differential flotation or partial differential flotation process When the content of copper is much more than nickel in the ore, this process can be used to separate the copper as th

It is reported that more than 90% of non-ferrous metal ores (copper, lead, zinc, etc.) adopt flotation process, especially for those with fine grain and complex symbiosis. Flotation process can achieve ideal separation effect, and separately recover low-grade ore then enrich multiple high-grade concentrates. Different ore properties mean different flotation process. There are four kinds of  flotation processes  used in the  extraction of copper lead zinc ore  according to the dissemination characteristics of metal minerals. 1. Preferential flotation process used in the extraction of copper lead zinc ore Process:  According to the different flotability and floating speed among copper, lead, zinc ore, then separately obtains copper concentrate, lead concentrate and zinc concentrate from the slurry. Application:  Simple mineral composition, large differences in flotability among useful minerals, coarse disseminated grain size, high-graded raw ore. Advantages:  Adapt to the change