Solubility of Hydrogen Sulfide in Butanols: Experimental, Modeling, and Molecular Interpretation
The solubility of hydrogen sulfide in 1-butanol, 2-butanol and tertiary butanol was investigated at temperature from 313.15 to 353.15Â K and pressures up to 2.3Â MPa. The results show that the H2S solubility in these three isomers at low pressure is comparable and at higher pressures, the H2S solubi...
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| المؤلفون الرئيسيون: | , , , , |
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| التنسيق: | مقال |
| منشور في: |
2022
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| الوصول للمادة أونلاين: | http://scholars.utp.edu.my/id/eprint/34046/ https://www.scopus.com/inward/record.uri?eid=2-s2.0-85139987707&doi=10.1007%2fs10953-022-01207-6&partnerID=40&md5=8f4c2faad1d947443dd42c073f6c6e87 |
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| الملخص: | The solubility of hydrogen sulfide in 1-butanol, 2-butanol and tertiary butanol was investigated at temperature from 313.15 to 353.15 K and pressures up to 2.3 MPa. The results show that the H2S 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 Pengâ��Robinsonâ��Stryjekâ��Vera (PRSV) equation of state and extended Henryâ��s law as well; thereby, the fugacity coefficients at operational conditions and Henry's law constants of H2S 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 relative 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 Henryâ��s law. © 2022, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature. |
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