Does anyone know how to crystallize the copper-enriched solution obtained from copper extraction into copper sulfate, or whether small-scale electrowinning systems can be used for this purpose?
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Our facility has an extraction system that can produce 15 cubic meters per day of copper sulfate solution with a copper content of 50–60 g/L. Since we are unable to sell this solution, we would like to sell copper sulfate pentahydrate. The crystallization process requires a copper content of 160 g/L, which cannot be achieved in our case. . . If concentrated, the process cost is too high. Are there any other ways to deal with this liquid? If I want to install an electrowinning system, are there any small-scale versions available? How much does such a system cost approximately? Do you know anyone in this industry? I would appreciate your advice. 280560724@qq.com
There are no standard copper electrowinning equipment; it needs to be designed specifically based on the production capacity. Based on what you’ve said, since an extraction process is available, it is of course the most economical and practical approach to recover copper through an electrowinning process. I have worked in the non-ferrous metals industry for many years; my university major was non-ferrous metal smelting. I have designed and built copper extraction–electrodeposition processes for three companies, and these facilities are still in operation today, delivering excellent results. Your problem can be solved; if you’re interested, you can contact QQ: 780468077.
Two suggestions: 1. Since it is a copper sulfate solution obtained through extraction, the sulfuric acid content is 160 g/L. If adjusting the pH value to precipitate copper hydroxide is too costly, with 15 cubic meters of copper sulfate solution available per day, 8 cubic meters of it could be used to produce copper hydroxide, and then that copper hydroxide could be added to 7 cubic meters of the solution to increase its concentration. Is such an approach cost-effective? 2. I was so drunk that after finishing the first one, I forgot about the second one. I’ll think about it and let you know tomorrow.
Mm-hm. In fact, it is the high sulfuric acid content that results in high concentration costs; the challenge is to find a way to consume this acid without introducing impurities. For example, if you need to purchase copper oxide or something that requires acid, think in those terms. As for any other tricks, well, I have none left. Let’s see if the experts here have some ideas.
Mm-hm. In fact, it is the high sulfuric acid content that results in high concentration costs; the challenge is to find a way to consume this acid without introducing impurities. For example, if you need to purchase copper oxide or something that requires acid, think in those terms. As for any other tricks, well, I have none left. Let’s see if the experts here have some ideas.
As for the electrowinning equipment, it has a capacity of 15 cubic meters with a concentration of 50/L to 60/L, producing around 800 kilograms of copper per day. Buy a full-wave transformer of around 100 kilowatts, use lead plates or graphite plates as the anode, and stainless steel plates or copper plates as the cathode, and then you can get started. I haven’t checked the price in a while; I guess it can be obtained for around 300,000 to 400,000. When it comes to investing in electrowinning copper, you don’t have a brand name, so the price you can get for it will definitely be lower than the market price. It’s better to buy some iron powder, mix it together to create sponge copper, and then sell that instead. Currently, copper mills are offering decent prices for sponge copper; they operate at a loss and rely on cash flow to secure loans.
As for the electrowinning equipment, it has a capacity of 15 cubic meters with a concentration of 50/L to 60/L, producing around 800 kilograms of copper per day. Buy a full-wave transformer of around 100 kilowatts, use lead plates or graphite plates as the anode, and stainless steel plates or copper plates as the cathode, and then you can get started. I haven’t checked the price in a while; I guess it can be obtained for around 300,000 to 400,000. When it comes to investing in electrowinning copper, you don’t have a brand name, so the price you can get for it will definitely be lower than the market price. It’s better to buy some iron powder, mix it together to create sponge copper, and then sell that instead. Currently, copper mills are offering decent prices for sponge copper; they operate at a loss and rely on cash flow to secure loans.
Engineer Wang, I suggest selling it to Guoda Company!
The copper concentration in the electrowinning tail solution is at least 35 grams, right? The amount of material subjected to back-extraction per day is 15 cubic meters; with a copper concentration of 60, the daily output of copper through electrowinning is around 500 kilograms