The electrodialysis drainage turns black, and scaling occurs in the drainage heat exchanger
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Experts, the electrodialysis wastewater turns black and the wastewater heat exchangers suffer from scaling; they need to be cleaned once a month on average. Are there any good methods to address this scaling problem?
The effluent from electrodialysis turns black; if the effluent contains oil, adjustments to the electrodialysis process are necessary. If the water quality turns black, it is due to problems with the crude oil; there are many impurities in the raw material, which causes the water with a high temperature to cool down after passing through the heat exchanger, leading to severe scaling. There are many people at the site who mix and resell crude oil, adding all kinds of things to it.
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If the water quality turns black, it is due to problems with the crude oil; there are many impurities in the raw material, which causes the water with a high temperature to cool down after passing through the heat exchanger, leading to severe scaling.