徐琴琴   

Associate Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

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Language:English

Paper Publications

Title of Paper:超临界二氧化碳微乳液增溶多元醇特性

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Date of Publication:2011-06-01

Journal:物理化学学报

Included Journals:PKU、ISTIC、CSCD、SCIE

Volume:27

Issue:6

Page Number:1300-1304

ISSN No.:1000-6818

Key Words:超临界二氧化碳微乳液 琥珀酸二酯磺酸钠 1,3-丙二醇 相行为 增溶特性

Abstract:用2.5%、5.O%和7.5%(w)的1,3-丙二醇(1,3-PDO)稀水溶液为模型物质,以超临界二氧化碳为连续相,以琥珀酸二酯磺酸钠(AOT)为表面活性剂,乙醇为助剂,在压力为6.9-10.3 MPa的范围内,温度为30-50℃时,分别对三种AOT浓度下的四元体系AOT/CO2/乙醇/水和五元体系AOT/CO2/乙醇/1,3-PDO/水的热力学行为进行了实验研究.实验结果证明:通过合理调控系统的操作条件,可以形成热力学稳定的超临界二氧化碳微乳液,并能实现选择性增溶1,3-丙二醇.该结果可为指导工业生产提供依据.

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