Copper ion content in the copper back-extraction solution
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Hello, experts. I would like to ask that copper reverse extraction solutions generally contain 200 grams/L of acid, and electrodeposition begins when the copper concentration is between 40 and 50 grams/L. Why can’t the copper ions in the back-extraction solution be increased to around 160 grams/L to directly produce copper sulfate? Is it because high copper ion levels cause a decrease in the back-extraction rate, or is it due to the concern that high copper ion levels will lead to crystallization and blockages in pipes and other components? Or are there other reasons?
Is Xin Ge working on the wet process now? I met a few experts in wet copper smelting during my trip to Africa; I’d like to introduce them to you
Do you think such high levels of copper ions are realistic?