Quantitative structure�activity relationships (QSARs) for estimation of activity coefficient at infinite dilution of water in ionic liquids for natural gas dehydration
Recently, ionic liquids (ILs) have been considered as alternative solvents to glycol in dehydration of natural gas. However, due to the unlimited structural variations and possible combinations of cations and anions of the ILs, selection of potential ILs for this separation process has been a diffic...
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Taiwan Institute of Chemical Engineers
2016
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my.utp.eprints.308222022-03-25T07:38:36Z Quantitative structure�activity relationships (QSARs) for estimation of activity coefficient at infinite dilution of water in ionic liquids for natural gas dehydration Gonfa, G. Bustam, M.A. Shariff, A.M. Muhammad, N. Ullah, S. Recently, ionic liquids (ILs) have been considered as alternative solvents to glycol in dehydration of natural gas. However, due to the unlimited structural variations and possible combinations of cations and anions of the ILs, selection of potential ILs for this separation process has been a difficult task. Activity coefficient at infinite dilution is one of the most important thermodynamic properties for preliminary selection of suitable liquid desiccants for water absorption and designing of the natural gas dehydration process. In this paper, COSMO-RS based quantitative structure�property/activity relationship (QSPR/QSAR) models were developed for prediction of activity coefficient of water at infinite dilution in ILs over various temperatures. COSMO-RS based descriptors were generated for 53 ILs (318 data points) at various temperatures. Multiple linear regressions were applied to develop the models. The accuracies of the models were verified by different statistical tests. The model provides a better understanding of the effect of the structural variations of ILs on their affinity for water. © 2016 Taiwan Institute of Chemical Engineers Taiwan Institute of Chemical Engineers 2016 Article NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-84979528604&doi=10.1016%2fj.jtice.2016.06.027&partnerID=40&md5=00ff5c4e2c2b0b9070b16a6b37e91a4a Gonfa, G. and Bustam, M.A. and Shariff, A.M. and Muhammad, N. and Ullah, S. (2016) Quantitative structure�activity relationships (QSARs) for estimation of activity coefficient at infinite dilution of water in ionic liquids for natural gas dehydration. Journal of the Taiwan Institute of Chemical Engineers, 66 . pp. 222-229. http://eprints.utp.edu.my/30822/ |
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Recently, ionic liquids (ILs) have been considered as alternative solvents to glycol in dehydration of natural gas. However, due to the unlimited structural variations and possible combinations of cations and anions of the ILs, selection of potential ILs for this separation process has been a difficult task. Activity coefficient at infinite dilution is one of the most important thermodynamic properties for preliminary selection of suitable liquid desiccants for water absorption and designing of the natural gas dehydration process. In this paper, COSMO-RS based quantitative structure�property/activity relationship (QSPR/QSAR) models were developed for prediction of activity coefficient of water at infinite dilution in ILs over various temperatures. COSMO-RS based descriptors were generated for 53 ILs (318 data points) at various temperatures. Multiple linear regressions were applied to develop the models. The accuracies of the models were verified by different statistical tests. The model provides a better understanding of the effect of the structural variations of ILs on their affinity for water. © 2016 Taiwan Institute of Chemical Engineers |
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Article |
| author |
Gonfa, G. Bustam, M.A. Shariff, A.M. Muhammad, N. Ullah, S. |
| spellingShingle |
Gonfa, G. Bustam, M.A. Shariff, A.M. Muhammad, N. Ullah, S. Quantitative structure�activity relationships (QSARs) for estimation of activity coefficient at infinite dilution of water in ionic liquids for natural gas dehydration |
| author_facet |
Gonfa, G. Bustam, M.A. Shariff, A.M. Muhammad, N. Ullah, S. |
| author_sort |
Gonfa, G. |
| title |
Quantitative structure�activity relationships (QSARs) for estimation of activity coefficient at infinite dilution of water in ionic liquids for natural gas dehydration |
| title_short |
Quantitative structure�activity relationships (QSARs) for estimation of activity coefficient at infinite dilution of water in ionic liquids for natural gas dehydration |
| title_full |
Quantitative structure�activity relationships (QSARs) for estimation of activity coefficient at infinite dilution of water in ionic liquids for natural gas dehydration |
| title_fullStr |
Quantitative structure�activity relationships (QSARs) for estimation of activity coefficient at infinite dilution of water in ionic liquids for natural gas dehydration |
| title_full_unstemmed |
Quantitative structure�activity relationships (QSARs) for estimation of activity coefficient at infinite dilution of water in ionic liquids for natural gas dehydration |
| title_sort |
quantitative structure�activity relationships (qsars) for estimation of activity coefficient at infinite dilution of water in ionic liquids for natural gas dehydration |
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Taiwan Institute of Chemical Engineers |
| publishDate |
2016 |
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https://www.scopus.com/inward/record.uri?eid=2-s2.0-84979528604&doi=10.1016%2fj.jtice.2016.06.027&partnerID=40&md5=00ff5c4e2c2b0b9070b16a6b37e91a4a http://eprints.utp.edu.my/30822/ |
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