Influence of Casting Solvents on CO<sub>2</sub>/CH<sub>4</sub> Separation Using Polysulfone Membranes
Polysulfone membranes exhibit resistance to high temperature with low manufacturing cost and high efficiency in the separation process. The composition of gases is an important step that estimates the efficiency of separation in membranes. As membrane types are currently becoming in demand for CO<...
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MDPI AG
2021-04-01
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author | Roba M. Almuhtaseb Ahmed Awadallah-F Shaheen A. Al-Muhtaseb Majeda Khraisheh |
author_facet | Roba M. Almuhtaseb Ahmed Awadallah-F Shaheen A. Al-Muhtaseb Majeda Khraisheh |
author_sort | Roba M. Almuhtaseb |
collection | DOAJ |
description | Polysulfone membranes exhibit resistance to high temperature with low manufacturing cost and high efficiency in the separation process. The composition of gases is an important step that estimates the efficiency of separation in membranes. As membrane types are currently becoming in demand for CO<sub>2</sub>/CH<sub>4</sub> segregation, polysulfone will be an advantageous alternative to have in further studies. Therefore, research is undertaken in this study to evaluate two solvents: chloroform (CF) and tetrahydrofuran (THF). These solvents are tested for casting polymeric membranes from polysulfone (PSF) to separate every single component from a binary gas mixture of CO<sub>2</sub>/CH<sub>4</sub>. In addition, the effect of gas pressure was conducted from 1 to 10 bar on the behavior of the permeability and selectivity. The results refer to the fact that the maximum permeability of CO<sub>2</sub> and CH<sub>4</sub> for THF is 62.32 and 2.06 barrer at 1 and 2 bars, respectively. Further, the maximum permeability of CF is 57.59 and 2.12 barrer at 1 and 2 bars, respectively. The outcome selectivity values are 48 and 36 for THF and CF at 1 bar, accordingly. Furthermore, the study declares that with the increase in pressure, the permeability and selectivity values drop for CF and THF. The performance for polysulfone (PSF) membrane that is manufactured with THF is superior to that of CF relative to the Robeson upper bound. Therefore, through the results, it can be deduced that the solvent during in-situ synthesis has a significant influence on the gas separation of a binary mixture of CO<sub>2</sub>/CH<sub>4</sub>. |
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spelling | doaj.art-62344b19b7454fc984a30cb7a89416512023-11-21T15:28:12ZengMDPI AGMembranes2077-03752021-04-0111428610.3390/membranes11040286Influence of Casting Solvents on CO<sub>2</sub>/CH<sub>4</sub> Separation Using Polysulfone MembranesRoba M. Almuhtaseb0Ahmed Awadallah-F1Shaheen A. Al-Muhtaseb2Majeda Khraisheh3Department of Chemical Engineering, Qatar University, Doha P.O. Box 2713, QatarDepartment of Chemical Engineering, Qatar University, Doha P.O. Box 2713, QatarDepartment of Chemical Engineering, Qatar University, Doha P.O. Box 2713, QatarDepartment of Chemical Engineering, Qatar University, Doha P.O. Box 2713, QatarPolysulfone membranes exhibit resistance to high temperature with low manufacturing cost and high efficiency in the separation process. The composition of gases is an important step that estimates the efficiency of separation in membranes. As membrane types are currently becoming in demand for CO<sub>2</sub>/CH<sub>4</sub> segregation, polysulfone will be an advantageous alternative to have in further studies. Therefore, research is undertaken in this study to evaluate two solvents: chloroform (CF) and tetrahydrofuran (THF). These solvents are tested for casting polymeric membranes from polysulfone (PSF) to separate every single component from a binary gas mixture of CO<sub>2</sub>/CH<sub>4</sub>. In addition, the effect of gas pressure was conducted from 1 to 10 bar on the behavior of the permeability and selectivity. The results refer to the fact that the maximum permeability of CO<sub>2</sub> and CH<sub>4</sub> for THF is 62.32 and 2.06 barrer at 1 and 2 bars, respectively. Further, the maximum permeability of CF is 57.59 and 2.12 barrer at 1 and 2 bars, respectively. The outcome selectivity values are 48 and 36 for THF and CF at 1 bar, accordingly. Furthermore, the study declares that with the increase in pressure, the permeability and selectivity values drop for CF and THF. The performance for polysulfone (PSF) membrane that is manufactured with THF is superior to that of CF relative to the Robeson upper bound. Therefore, through the results, it can be deduced that the solvent during in-situ synthesis has a significant influence on the gas separation of a binary mixture of CO<sub>2</sub>/CH<sub>4</sub>.https://www.mdpi.com/2077-0375/11/4/286polysulfone (PSF)tetrahydrofuran (THF)chloroform (CF)membranegas separation |
spellingShingle | Roba M. Almuhtaseb Ahmed Awadallah-F Shaheen A. Al-Muhtaseb Majeda Khraisheh Influence of Casting Solvents on CO<sub>2</sub>/CH<sub>4</sub> Separation Using Polysulfone Membranes Membranes polysulfone (PSF) tetrahydrofuran (THF) chloroform (CF) membrane gas separation |
title | Influence of Casting Solvents on CO<sub>2</sub>/CH<sub>4</sub> Separation Using Polysulfone Membranes |
title_full | Influence of Casting Solvents on CO<sub>2</sub>/CH<sub>4</sub> Separation Using Polysulfone Membranes |
title_fullStr | Influence of Casting Solvents on CO<sub>2</sub>/CH<sub>4</sub> Separation Using Polysulfone Membranes |
title_full_unstemmed | Influence of Casting Solvents on CO<sub>2</sub>/CH<sub>4</sub> Separation Using Polysulfone Membranes |
title_short | Influence of Casting Solvents on CO<sub>2</sub>/CH<sub>4</sub> Separation Using Polysulfone Membranes |
title_sort | influence of casting solvents on co sub 2 sub ch sub 4 sub separation using polysulfone membranes |
topic | polysulfone (PSF) tetrahydrofuran (THF) chloroform (CF) membrane gas separation |
url | https://www.mdpi.com/2077-0375/11/4/286 |
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