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Acetone-Acetonitrile-Tert-Butanol-Water System and its Determination and Correlation of Vapor-Liquid Equilibria in Extractant(PDF)

南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2023年02期
Page:
47-53
Research Field:
化学工程与技术
Publishing date:

Info

Title:
Acetone-Acetonitrile-Tert-Butanol-Water System and its Determination and Correlation of Vapor-Liquid Equilibria in Extractant
Author(s):
Wei Hairong1; Gu Zhenggui1; 2; Cao Xiaoyan1; Wang Lu1
(1.Material Circulation and Pollution Control Key Laboratory of Jiangsu Province,Nanjing Normal University,Nanjing 210023,China)
(2.Research Institute of Development of Chemical Resources along the Yangzi River in Jiangsu Province,Nanjing 210097,China)
Keywords:
acetone; acetonitrile; tert-butanol; water; vapor-liquid equilibrium
PACS:
TQ013.1
DOI:
10.3969/j.issn.1672-1292.2023.02.007
Abstract:
In this paper,the vapor-liquid equilibrium(VLE)data of binary,ternary and quaternary systems in acetone-acetonitrile-tert-butanol-water system are measured by single-stage circulating vapor-liquid equilibrium pot at atmospheric pressure. The reliability and stability of the experimental data measured by this device are investigated by thermodynamic test of vapor-liquid equilibrium data of the six binary systems with Herrington integral method. Moreover,UNIQUAC and NRTL models are used for correlation of the measured results. The results show that UNIQUAC model associations are found to be in good agreement with the experimental values and the average relative error between the experimental value,and that calculated value is less than 3%. At the same time,the vapor-liquid equilibrium data of the quaternary system in ethylene glycol and other four extractants are investigated. This study not only fills in VLE database,but also provides the basic data for extraction separation of acetone-acetonitrile-tert-butanol-water system.

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Last Update: 2023-06-15