Journal of Solution Chemistry, ( ISI ), Volume (51), No (12), Year (2022-12) , Pages (1522-1539)

Title : ( Solubility of Hydrogen Sulfide in Butanols: Experimental, Modeling, and Molecular Interpretation )

Authors: Mohammad Shokouhi , Mehdi Vahidi , Mehrnoosh Mehrabi , Ehsan Zhaleh Rajabi , Ali Nakhaei Pour ,

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Abstract

The solubility of hydrogen sulfide in 1-butanol, 2-butanol and tertiary butanol was inves- tigated at temperature from 313.15 to 353.15 K and pressures up to 2.3 MPa. The results show that the H 2S solubility in these three isomers at low pressure is comparable and at higher pressures, the H2S solubility increase reflects steric effects, which increase in the order tertiary butyl alcohol > secondary butyl alcohol > normal butyl alcohol. The results were modeled by Peng–Robinson–Stryjek–Vera (PRSV) equation of state and extended Henry’s law as well; thereby, the fugacity coefficients at operational conditions and Henry’s law constants of H 2S solubility associated with solution enthalpy and entropy at infinite dilution were obtained and the variation of solubility was interpreted in terms of the variation of thermodynamic properties (enthalpy and entropy). The results of the two models are in good agreement in comparison with experimental data with average rela- tive deviations of 2.5%, 2.86%, and 2.98% for 1-butanol, 2-butanol, and tertiary butanol, respectively, for PRSV EoS and 1.55%, 1.51%, and 2.41% for extended Henry’s law.

Keywords

Alcohol · Butanol · Hydrogen sulfide · Solubility · Peng–Robinson–Stryjek–Vera
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@article{paperid:1091846,
author = {Mohammad Shokouhi and Mehdi Vahidi and Mehrnoosh Mehrabi and Ehsan Zhaleh Rajabi and Nakhaei Pour, Ali},
title = {Solubility of Hydrogen Sulfide in Butanols: Experimental, Modeling, and Molecular Interpretation},
journal = {Journal of Solution Chemistry},
year = {2022},
volume = {51},
number = {12},
month = {December},
issn = {0095-9782},
pages = {1522--1539},
numpages = {17},
keywords = {Alcohol · Butanol · Hydrogen sulfide · Solubility · Peng–Robinson–Stryjek–Vera},
}

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%0 Journal Article
%T Solubility of Hydrogen Sulfide in Butanols: Experimental, Modeling, and Molecular Interpretation
%A Mohammad Shokouhi
%A Mehdi Vahidi
%A Mehrnoosh Mehrabi
%A Ehsan Zhaleh Rajabi
%A Nakhaei Pour, Ali
%J Journal of Solution Chemistry
%@ 0095-9782
%D 2022

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