Exploration of cobalt-nickel extraction
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I would like to know whether, among the nickel-producing enterprises in China, more use full extraction or semi-extraction? In the case of semi-extraction, is there a way to address the issue of excessive sodium ions and water-insoluble substances in the nickel sulfate crystal product?
They are all semi-extraction; if full extraction were used, the extraction tank would be too large. Adding a nickel soap section before the extraction section can reduce sodium ions in the nickel sulfate solution. As for the irreconcilable conflict, it is only possible to strengthen the control over filtration quality
What level do you generally keep the sodium ions in the pre-extraction solution at? Nickel-to-sodium ratio? I think Jinchuan represents the total extraction amount; I’d like to know more about that
The fully extracted nickel sulfate solution is used to make nickel sulfate crystals, right?
Our company uses semi-extraction to produce nickel sulfate crystals; sodium ions are difficult to control, and water-insoluble substances are also hard to manage! The control of sodium ions can only be achieved through the feed supplier and the concentration removal in the evaporation section; extraction is also used to produce nickel soaps. I don’t know how other companies manage it
I would like to ask what does \"lower extraction\" and \"full extraction\" mean?