By screening solvents and surfactants,a surfactant with strong wetting and dispersing ability has been discovered,which can form stable emulsions.An O/W emulsifier that can inhibit paraffin deposition and remove it ha...By screening solvents and surfactants,a surfactant with strong wetting and dispersing ability has been discovered,which can form stable emulsions.An O/W emulsifier that can inhibit paraffin deposition and remove it has been acquired by an orthogonal design of experiment.The density of the emulsion is 0.9 g/cm3,the removal rate of paraffin is 150 g/(mL·min),and the inhibiting rate of paraffin is 20.70%.When 0.8%~1.5%(mass fraction) sodium chloride is added to the emulsion,the deemulsification time is 1.5~4.0 h.展开更多
文摘By screening solvents and surfactants,a surfactant with strong wetting and dispersing ability has been discovered,which can form stable emulsions.An O/W emulsifier that can inhibit paraffin deposition and remove it has been acquired by an orthogonal design of experiment.The density of the emulsion is 0.9 g/cm3,the removal rate of paraffin is 150 g/(mL·min),and the inhibiting rate of paraffin is 20.70%.When 0.8%~1.5%(mass fraction) sodium chloride is added to the emulsion,the deemulsification time is 1.5~4.0 h.