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Effects of Temperature and Pressure on Interfacial Tensions of Fluid Mixtures. II. Propane/n-Pentane and Propane/n-Hexane Binaries
Journal of Chemical & Engineering Data ( IF 2.0 ) Pub Date : 2021-05-04 , DOI: 10.1021/acs.jced.0c01045 Reihaneh Toutouni 1 , Sugata P. Tan 1 , Henry Plancher 1 , Mohammad Piri 1
Journal of Chemical & Engineering Data ( IF 2.0 ) Pub Date : 2021-05-04 , DOI: 10.1021/acs.jced.0c01045 Reihaneh Toutouni 1 , Sugata P. Tan 1 , Henry Plancher 1 , Mohammad Piri 1
Affiliation
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We use the experimental setup and protocols described in Toutouni et al. (Effects of Temperature and Pressure on Interfacial Tensions of Fluid Mixtures. I. CO2/n-Pentane Binary. J. Chem. Eng. Data, 2021, DOI 10.1021/acs.jced.0c01044) to examine the impacts of temperature and pressure on interfacial tensions (IFT) of binary hydrocarbon systems propane/n-pentane and propane/n-hexane. The pressure and temperature vary from 0.2 to 3.5 MPa and 323.15 to 403.15 K for the propane/n-pentane fluid system and from 0.18 to 3.5 MPa and 296.15 to 403.15 K for the propane/n-hexane fluid system. The results indicate that the IFT values of both fluid systems follow the same trends with changes in pressure and temperature. It is observed that when pressure increases isothermally, the IFT values decrease. Furthermore, when increasing temperature isobarically, the IFT values exhibit a decreasing trend at low pressures, but the trend reverses at higher pressures. The measured data also reveal that, at a given pressure and temperature, the IFT value of the propane/n-pentane system is lower than that of the propane/n-hexane system. The difference between the two IFT values decreases as pressure increases isothermally.
中文翻译：
温度和压力对流体混合物界面张力的影响。二。丙烷/ n-戊烷和丙烷/ n-己烷二元
我们使用Toutouni等人中描述的实验设置和协议。（温度和压力对流体混合物的界面张力的影响。I. CO 2 / Ñ戊烷二进制。J.化学工程数据，2021，DOI 10.1021 / acs.jced.0c01044）检查温度和压力的影响二进制烃系统丙烷/的界面张力（IFT）ñ戊烷和丙烷/ ñ己烷。的压力和温度变化从0.2至3.5MPa和323.15到403.15 K为丙烷/ Ñ戊烷流体系统和从0.18至3.5MPa和296.15到403.15 K为丙烷/ Ñ-己烷流体系统。结果表明，随着压力和温度的变化，两种流体系统的IFT值都遵循相同的趋势。观察到，当压力等温增加时，IFT值降低。此外，当等压升高温度时，IFT值在低压下呈现下降趋势，但在高压下呈现相反的趋势。测得的数据也表明，在给定压力和温度，丙烷/的IFT值Ñ戊烷系统比丙烷/低Ñ正己烷系统。两个IFT值之间的差异随着压力等温增加而减小。
更新日期：2021-05-13
中文翻译：
温度和压力对流体混合物界面张力的影响。二。丙烷/ n-戊烷和丙烷/ n-己烷二元
我们使用Toutouni等人中描述的实验设置和协议。（温度和压力对流体混合物的界面张力的影响。I. CO 2 / Ñ戊烷二进制。J.化学工程数据，2021，DOI 10.1021 / acs.jced.0c01044）检查温度和压力的影响二进制烃系统丙烷/的界面张力（IFT）ñ戊烷和丙烷/ ñ己烷。的压力和温度变化从0.2至3.5MPa和323.15到403.15 K为丙烷/ Ñ戊烷流体系统和从0.18至3.5MPa和296.15到403.15 K为丙烷/ Ñ-己烷流体系统。结果表明，随着压力和温度的变化，两种流体系统的IFT值都遵循相同的趋势。观察到，当压力等温增加时，IFT值降低。此外，当等压升高温度时，IFT值在低压下呈现下降趋势，但在高压下呈现相反的趋势。测得的数据也表明，在给定压力和温度，丙烷/的IFT值Ñ戊烷系统比丙烷/低Ñ正己烷系统。两个IFT值之间的差异随着压力等温增加而减小。
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