期刊
PETROLEUM SCIENCE AND TECHNOLOGY
卷 36, 期 2, 页码 91-98出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/10916466.2017.1405027
关键词
demulsification; crude oil emulsion; separation rate; energy of destabilization
Surfactants can act as demulsifiers to neutralize the stabilizing effect of natural emulsifiers in crude oil. Here, the effect of polar head group of surfactants with identical hydrophobic chain C-12 (SLES, SLS, C12E23, BKC, C12E7) on the demulsification of crude oil emulsion and its effect on water separation rate were studied at different temperature. The activation energy for destabilization was calculated. The results indicate that the rate of water separation increases with temperature and surfactant concentration. The emulsion destabilising activation energy decreases as the concentration of the surfactant increases. The Interfacial Tension (IFT) study showed that when the reduction in IFT was the highest, the water separation rate and efficiency achieved was the highest.
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