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Demulsifiers are surfactants that disrupt the structure of emulsified liquids, separating the different phases within the emulsion. Crude oil demulsification refers to the use of demulsifiers to chemically separate oil and water from an emulsified oil-water mixture, achieving crude oil…
The mechanism of crude oil demulsifiers is a phase transfer-reverse deformation mechanism. Upon addition of the demulsifier, a phase transition occurs, generating a surfactant of the opposite type to the emulsion formed by the emulsifier (reverse demulsifier). This type of…
1.Surface tension The contraction force of any unit length of the liquid surface is called surface tension, and the unit is N•m-1.2.Surfactants and surfactants The properties that can reduce the surface tension of solvents are called surfactants, and substances with…