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醇对柴油微乳体系性能的影响

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冷立健, 袁兴中, 曾光明, 黄华军, 王雪丽, 段严, 祝慧娜, 李辉. 醇对柴油微乳体系性能的影响[J]. 环境工程学报, 2013, 7(7): 2601-2606.
引用本文: 冷立健, 袁兴中, 曾光明, 黄华军, 王雪丽, 段严, 祝慧娜, 李辉. 醇对柴油微乳体系性能的影响[J]. 环境工程学报, 2013, 7(7): 2601-2606.
shu
Leng Lijian, Yuan Xinzhong, Zeng Guangming, Huang Huajun, Wang Xueli, Duan Yan, Zhu Huina, Li Hui. Effects of cosurfactant alcohol on performance of diesel microemulsions[J]. Chinese Journal of Environmental Engineering, 2013, 7(7): 2601-2606.
Citation: Leng Lijian, Yuan Xinzhong, Zeng Guangming, Huang Huajun, Wang Xueli, Duan Yan, Zhu Huina, Li Hui. Effects of cosurfactant alcohol on performance of diesel microemulsions[J]. Chinese Journal of Environmental Engineering, 2013, 7(7): 2601-2606.
shu

醇对柴油微乳体系性能的影响

  • 1.

    湖南大学环境科学与工程学院, 长沙 410082

  • 2.

    环境生物与控制教育部重点实验室(湖南大学), 长沙 410082

  • 基金项目:

    教育部科学研究重点项目(108100)

  • 中图分类号: X382

Effects of cosurfactant alcohol on performance of diesel microemulsions

  • 1.

    College of Environmental Science and Engineering, Changsha 410082, China

  • 2.

    Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Changsha 410082, China

  • Fund Project:

  • 摘要: 采用AOT为表面活性剂,不同碳链长度正构醇为助表面活性剂,通过稀释法制备了AOT/柴油/正构醇/水微乳体系。考察了醇与表面活性剂的质量比(r)和正构醇的碳链长度对柴油微乳体系的影响,对不同条件下制备的微乳体系的电导率(δ)、界面张力(γ)及运动粘度(μ)进行了表征。结果表明,采用正丁醇时,微乳体系会出现渗滤现象。采用其他醇时,微乳体系的最大增溶水量(W0)随碳链长度增加而减小,随r增大先增大后减小;随增溶水量(W)增加,δ增大直至达到稳定,γ减小,μ增大;随醇碳链长度增大,δ减小,γ、μ增大;随r增大,δ增大,γ、μ减小。采用正戊醇(r=0.4)时,微乳体系的W0最大,γ、μ均较小,柴油微乳液体系的性能较佳。
    Abstract: Diesel microemulsions were formed by dilution with AOT as surfactant and five different kinds of normal alcohols as cosurfactant. The effects of the type of alcohol and the mass ratio of alcohol to surfactant (r) on the formation of diesel microemulsification were investigated. Meanwhile, the conductivity(δ), interfacial tension(γ) and kinematic viscosity(μ) of diesel microemulsions formed under different conditions were characterized. It was shown that percolation phenomenon occurred only when n-butanol was used. In addition to n-butanol, the maximum content of solubilization water (W0) decreased as the carbon chain lengths of alcohols increased, but increased first and then decreased as r grew; as the content of solubilization water (W) grew, δ increased until a stable trance was appeared, γ decreased while μ increased; as the carbon chain lengths of alcohols increased, δ decreased while γ and μ increased; as r increased, δ increased while γ and μ decreased. When n-pentanol was adopted and r was fixed at 0.4, the W0 was the highest while γ and μ were smaller,and diesel microemulsion with superior performance were obtained.
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出版历程
  • 收稿日期:  2012-06-04
  • 刊出日期:  2013-07-18
冷立健, 袁兴中, 曾光明, 黄华军, 王雪丽, 段严, 祝慧娜, 李辉. 醇对柴油微乳体系性能的影响[J]. 环境工程学报, 2013, 7(7): 2601-2606.
引用本文: 冷立健, 袁兴中, 曾光明, 黄华军, 王雪丽, 段严, 祝慧娜, 李辉. 醇对柴油微乳体系性能的影响[J]. 环境工程学报, 2013, 7(7): 2601-2606.
shu
Leng Lijian, Yuan Xinzhong, Zeng Guangming, Huang Huajun, Wang Xueli, Duan Yan, Zhu Huina, Li Hui. Effects of cosurfactant alcohol on performance of diesel microemulsions[J]. Chinese Journal of Environmental Engineering, 2013, 7(7): 2601-2606.
Citation: Leng Lijian, Yuan Xinzhong, Zeng Guangming, Huang Huajun, Wang Xueli, Duan Yan, Zhu Huina, Li Hui. Effects of cosurfactant alcohol on performance of diesel microemulsions[J]. Chinese Journal of Environmental Engineering, 2013, 7(7): 2601-2606.
shu

醇对柴油微乳体系性能的影响

  • 1.  湖南大学环境科学与工程学院, 长沙 410082
  • 2.  环境生物与控制教育部重点实验室(湖南大学), 长沙 410082
  • 收稿日期:  2012-06-04
基金项目:

教育部科学研究重点项目(108100)

摘要: 采用AOT为表面活性剂,不同碳链长度正构醇为助表面活性剂,通过稀释法制备了AOT/柴油/正构醇/水微乳体系。考察了醇与表面活性剂的质量比(r)和正构醇的碳链长度对柴油微乳体系的影响,对不同条件下制备的微乳体系的电导率(δ)、界面张力(γ)及运动粘度(μ)进行了表征。结果表明,采用正丁醇时,微乳体系会出现渗滤现象。采用其他醇时,微乳体系的最大增溶水量(W0)随碳链长度增加而减小,随r增大先增大后减小;随增溶水量(W)增加,δ增大直至达到稳定,γ减小,μ增大;随醇碳链长度增大,δ减小,γ、μ增大;随r增大,δ增大,γ、μ减小。采用正戊醇(r=0.4)时,微乳体系的W0最大,γ、μ均较小,柴油微乳液体系的性能较佳。

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