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Citation: Liu Muxin, Xu Guiying, Xu Yongli, Li Fang, Li Ganzuo. Interfacial Tension between Mixed Soluton of Vegetable Oil Acid/Tween-60 and Crude Oil[J]. Chinese Journal of Applied Chemistry, ;1996, 13(1): 54-57. shu

Interfacial Tension between Mixed Soluton of Vegetable Oil Acid/Tween-60 and Crude Oil

1.
Institute of Colloid and Interface Chemistry, Shandong University, Jinan 250100

Received Date: 15 May 1995
Available Online: 28 September 1995

The interfacial tension(IFT) between crude oil and mixed solution which is composed of partially neutralized vegetable oil acid,Tween-60 and salts was studied.The result indicated that IFT is affected not noly by concentration and neutralization ratio of vegetable oil acid but also by Tween-60 concentration.Introduction of Tween-60 into the system can improve the solubility of vegetable oil acid in aqueous solution but gives rise to increase of IFT.The effects of NaCl and CaCl₂ on IFT are relatively small.Thus,the system containing 0.90% vegetable oil acid with a neutralization ratio of 0.85,0.10% Tween-60,0.4% NaCl and 0.02% CaCl₂ is stable with low IFT.
- vegetable oil acid,
- neutralization ratio,
- interfacial tension,
- Tween-60,
- mixed system
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