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Citation: CHEN Fu, QU Jin-Ming, LIU Fu-Mei. Formulation of an Emulsifier QFJ-1 for Paraffin Removal and Inhibition[J]. Chinese Journal of Applied Chemistry, ;2005, 22(12): 1375-1377. shu

Formulation of an Emulsifier QFJ-1 for Paraffin Removal and Inhibition

CHEN Fu ^a,, ,
QU Jin-Ming ^b ,
LIU Fu-Mei ^c

1.
a Department of Chemical Engineering, SWPI, Xindu 610500;
2.
b Liaohe Oilfield Co., Panjin;
3.
c Jilin Oilfield, Fuyu

Corresponding author: CHEN Fu,
Received Date: 29 January 2005
Available Online: 26 May 2005
Fund Project: 四川省重点学科建设项目资助(SZD0413) (SZD0413)

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.
- oilfield paraffin deposit,
- paraffin remover,
- paraffin inhibitor,
- emulsion,
- deemulsification
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