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Experimental Phase Equilibrium for the Binary System of n-Pentane +2-Propanol Using a New Equilibrium Cell and the Static Total Pressure Method
Journal of Chemical & Engineering Data ( IF 2.6 ) Pub Date : 2018-02-13 00:00:00 , DOI: 10.1021/acs.jced.7b00892
Wayne Michael Nelson 1 , Sivanna Naicker 1, 2 , Paramespri Naidoo 1 , Suresh Ramsuroop 2 , Deresh Ramjugernath 1
Affiliation  

A new apparatus based on the static total-pressure (static-synthetic) method was designed and commissioned. The novelty of the apparatus involves the placement of the loading valves, allowing metering of components directly into the liquid phase of the equilibrium cell. The new apparatus was tested and the experimental procedure developed by measuring phase equilibrium data (TPz) for a number of different systems available in the literature. Three of these test systems are presented in this paper, namely, the binary systems of n-hexane + 2-butanol, n-pentane + 2-butanol, and n-pentane + ethanol at temperatures of 329.21, 317.17, and 303.11 K, respectively. The modeled data (TPx) compare well to data available in the literature. New TPz data were measured for the binary system of n-pentane + 2-propanol at temperatures of 313.11, 323.11, and 333.12 K. The TPxy data were modeled using both the combined and direct method.

中文翻译:

使用新的平衡池和静态总压法对戊烷+ 2-丙醇二元系统进行实验相平衡

设计并调试了一种基于静态总压(静态合成)方法的新设备。该设备的新颖之处在于放置了加载阀,可以将组分直接计量加入平衡池的液相中。通过测量文献中可用的许多不同系统的相平衡数据(TPz),对新设备进行了测试,并开发了实验程序。这些测试系统的三个本文呈现,即的二元系统Ñ己烷+ 2-丁醇,Ñ戊烷+ 2-丁醇,和Ñ戊烷+乙醇以329.21,317.17,303.11和温度ķ,分别。建模数据(TPx)与文献中的可用数据进行了很好的比较。在313.11、323.11和333.12 K的温度下,对戊烷+ 2-丙醇的二元体系测量了新的TPz数据。使用组合和直接方法对TPxy数据进行了建模。 。
更新日期:2018-02-14
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