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Chemcial Industry and Engineering 2017, Vol. 34 Issue (3) :24-29    DOI: 10.13353/j.issn.1004.9533.20151026
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Vapor Liquid Equilibrium for 2,2-Dimethylbutane+Ethanol and +1-Propanol at 1 atm
Qi Linghui, Wang Rijie, Yang Xiaoxia
School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China

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Abstract 

A double circulating vapor liquid equilibrium apparatus was designed and established. Isobaric vapor liquid equilibrium of two binary systems 2,2-dimethylbutane+ethanol and 2,2-dimethylbutane+1-propanol at 1 atmosphere was measured. The experimental data passed integral thermodynamic consistent test. NRTL equation was used to correlate the vapor liquid equilibrium data of the binary system to obtain the model parameters. With the parameters, vapor composition was calculated and compared with the corresponding experimental data. The average deviations between calculated and experimental vapor composition were less than 0.02. The result showed that NRTL model was applicable for these two binary systems.

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Qi Linghui
Wang Rijie
Yang Xiaoxia
Keywords2,2-dimethylbutane;   ethanol;   1-propanol;   vapor liquid equilibrium     
Received 2015-03-10;
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Qi Linghui, Wang Rijie, Yang Xiaoxia.Vapor Liquid Equilibrium for 2,2-Dimethylbutane+Ethanol and +1-Propanol at 1 atm[J]  Chemcial Industry and Engineering, 2017,V34(3): 24-29
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