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Citation: Chu Yan-Ping, Luo Lan, Zhang Lu, Wang Lin, Zhao Sui, Yu Jia-Yong. Studies of Synergism between Sodium Alkyl Benzene Sulfonate and Methyl Oleate in Different Systems[J]. Acta Physico-Chimica Sinica, ;2004, 20(07): 776-779. doi: 10.3866/PKU.WHXB20040723 shu

Studies of Synergism between Sodium Alkyl Benzene Sulfonate and Methyl Oleate in Different Systems

1.
Research Center for Enhanced Oil Recovery, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing　100101

Received Date: 23 December 2003
Available Online: 15 July 2004

The mechanisms responsible for synergism between alkyl benzene sulfonate and methyl oleate in surfactant/brine/model oil and surfactant/alkali/model oil systems were studied. The results show that different mechanisms exist in above two systems. To the former,methyl oleate mainly influences the partition of surfactants in oil phase and aqueous phase by changing EACN value of oil phase. To the latter, the role of methyl oleate in influencing the partition of surfactant in oil phase and aqueous phase competes with its adsorption role at the interface. In this experimental condition, the result of competition between above two roles is different for surfactant with different structure.
- Surfactant;Methyl oleate;Synergism
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