How to separate and purify the by-product sodium carbonate, sodium sulfate, and sodium thiosulfate complex salt crystals?
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{:3_67:} Among the by-products produced by our company are crystalline composite salts of sodium carbonate, sodium sulfate, and sodium thiosulfate. The contents are sodium carbonate 40%, sodium sulfate 15%, and sodium thiosulfate 45%. The crystals have a moisture content of about 10% after preliminary drying. I would like to ask how to separate and purify them? ? ? In addition, does anyone need this crystalline compound salt? If necessary, please contact me. qq:3200449721{:3_47:}
Evaporate and crystallize miscellaneous salt products? Generally speaking, it is understood that few people want this kind of mixed salt. The key is that the pure salt separated after crystallization treatment is not easy to sell.
Why does this by-product of the original poster look like desulfurization waste liquid!