Crude oil demulsifier, a
Water-soluble demulsifier,Can at low temperatures (temperatures only slightly above the oil solidifying 10 ℃) of crude oil emulsion breaking. Phase-transfer mechanism is a reverse deformation mechanism. After the phase transition demulsifier that can generate the formation of an emulsifier
EmulsionsOpposite type surfactant (reverse demulsifier).Demulsifiers and emulsifiers such hydrophobic effect form a complex, thereby losing the emulsifier emulsifying properties. Collision mechanism of interfacial film break. Or with stirring under heating conditions, there are many opportunities for collision demulsifier interfacial film of the emulsion, or adsorbed at the interface of the membrane, or exclude the replaced part surfactant, thereby to break the interfacial film, so that stability is greatly reduced, the occurrence of flocculation, coalescence of the emulsion breaking.
Components, nature, type and emulsion stabilizing factor, but also with the molecular structure and properties of demulsifier about, so choose demulsifier need to consider the following factors: dehydration rate, spin speed, the oil-water interface state, prolapse water the oil content,