Treatment of saturated waste brine (sodium sulfate to sodium chloride ratio 1； around 1)
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Our factory generates wastewater containing saturated sodium sulfate and sodium chloride during the production process; how should this wastewater be treated?
The salts are extracted in stages, based on the differences in their solubility with temperature.
Evaporation crystallization: The approach I just proposed is the same as yours. Initial treatment is required, followed by evaporation crystallization; salt can be treated either together or separately
The MVR technology can be used; it’s best to determine the relevant boiling point parameters of the original liquid before proceeding with the design. I have operated this technology in the field
Let me explain the specific water quality details. We specialize in wastewater treatment, and we’ll also bring up your requirements
If no organic matter is present in the preliminary treatment, fractional crystallization can be carried out to recover sodium sulfate and sodium chloride separately
It’s all saturated; only evaporation and crystallization are possible now
This post was last edited by zhaolijun on 2016-1-30 at 17:08. It mainly involves evaporation crystallization; preliminary pretreatment may also be required. Please contact if needed
In industrial wastewater treatment projects, organic wastewater containing sodium sulfate and sodium chloride generally has a high salt content as well as a high COD level. For such wastewater with high salt levels and high COD, oxidation or evaporation processes can be employed; however, an accurate treatment plan can only be devised after assessing the quality and volume of the wastewater. Our company specializes in the production of MVR evaporators; to treat each cubic meter of wastewater, only approximately 35 to 70 kilowatt-hours of electricity are required. If you are interested in learning more, you can send me a private message.
For sodium sulfate and sodium chloride, the MVR system for these materials is relatively simple; I have calibrated no fewer than 10 sets of MVR systems for such materials on-site.