How do the properties of the oil affect the desalination efficiency?
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How do the properties of the oil affect the desalination efficiency of electrodialysis?
Generally speaking, poor quality of oil will affect the salt removal efficiency after electrodialysis. When the density and viscosity of heavy oil are too high, heating is generally used to reduce the viscosity and increase the density difference between oil and water. If there are many mechanical impurities, the number of backwash cycles needs to be increased. In cases of severe oil-water emulsification, it is necessary to select appropriate demulsifiers anew. For situations with high water content prior to separation, water-soluble demulsifiers are usually chosen, while for those with low water content prior to separation, oil-soluble or water-soluble demulsifiers can be used.
The thickness of the emulsion layer, the efficiency of demulsification
Factors such as the specific gravity and viscosity of the oil, the water content before desalination, the level of impurities, and the settling time of crude oil in the storage area all have an impact on the desalination efficiency. There are many factors that affect desalination performance, and the properties of the oil are just one of them.