The primary purpose of electrostatic desalting in crude oil pretreatment is to remove water, salts, and solid particles from the crude oil. Crude oil, as it comes from the ground, often contains significant amounts of water that is emulsified, meaning it's mixed in a way that doesn't easily separate. This water carries dissolved salts (like sodium chloride, magnesium chloride, and calcium chloride) and suspended solids (such as san....
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