Membrane concentration of sodium sulfate
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Dear seniors, I would like to ask for your advice. The production waste liquid consists mainly of sodium sulfate, with a small amount of flocculent aluminum phosphate suspension. I am considering using a membrane to concentrate this liquid first before sending it to the evaporator. The salt concentration of the feed solution is approximately 4.5%. I would like to ask whether it is feasible to use membrane concentration for sodium sulfate If possible, what type of membrane is suitable for concentration, and to what extent can sodium sulfate be concentrated?
German Memsys low-temperature non-metallic membrane distillation technology 18501003909