Modelling of mass transfer during pervaporation of ethanol/water mixture using polydimethylsiloxane membrane
The application of pervaporation (PV) as a membrane-based separation process for the recovery of dilute organic solutes has become a promising alternative to conventional distillation due to its easy scaleup, energy-saving, process continuity. The present study aims at the modelling of mass transfer...
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my.upm.eprints.942262023-05-09T01:32:35Z http://psasir.upm.edu.my/id/eprint/94226/ Modelling of mass transfer during pervaporation of ethanol/water mixture using polydimethylsiloxane membrane Zentou, Hamid Z. Abidin, Zurina Yunus, Robiah Awang Biak, Dayang Radiah Issa, Mohammed Abdullah Pudza, Musa Yahaya The application of pervaporation (PV) as a membrane-based separation process for the recovery of dilute organic solutes has become a promising alternative to conventional distillation due to its easy scaleup, energy-saving, process continuity. The present study aims at the modelling of mass transfer during the pervaporation process for ethanol recovery from ethanol/water mixture using a solution-diffusion model at different concentrations (5–20%), and different temperatures (30–60 °C). The results revealed that the estimated values of ethanol reference permeance and water reference permeance were respectively Q0eth = 11.77 ± 0.10 g/m2 h kPa and Q0water = 13.31 ± 0.16 g/m2 h kPa. It was also found that the estimated value of ethanol activation energy (Ea(eth)) was 60.40 ± 6.40 kJ/mol whereas the estimated value of water activation energy (Ea(w)) was 56.09 ± 5.05 kJ/mol. The validation of the suggested solution-diffusion model was assessed in terms of mean absolute percentage error (MAPE) using fermentation broth where it showed high accuracy with a low value of MAPE for the ethanol flux (MAPE = 2.8%), water flux (MAPE = 2%), total flux (MAPE = 3.2%). These findings suggest the solution-diffusion model as an efficient tool for optimizing and controlling the pervaporation process when it is coupled with continuous alcoholic fermentation for bioethanol production. Elsevier 2021-11 Article PeerReviewed Zentou, Hamid and Z. Abidin, Zurina and Yunus, Robiah and Awang Biak, Dayang Radiah and Issa, Mohammed Abdullah and Pudza, Musa Yahaya (2021) Modelling of mass transfer during pervaporation of ethanol/water mixture using polydimethylsiloxane membrane. Chemical Engineering Research and Design, 175. 320 - 329. ISSN 0263-8762 https://www.sciencedirect.com/science/article/pii/S0263876221003877 10.1016/j.cherd.2021.09.019 |
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The application of pervaporation (PV) as a membrane-based separation process for the recovery of dilute organic solutes has become a promising alternative to conventional distillation due to its easy scaleup, energy-saving, process continuity. The present study aims at the modelling of mass transfer during the pervaporation process for ethanol recovery from ethanol/water mixture using a solution-diffusion model at different concentrations (5–20%), and different temperatures (30–60 °C). The results revealed that the estimated values of ethanol reference permeance and water reference permeance were respectively Q0eth = 11.77 ± 0.10 g/m2 h kPa and Q0water = 13.31 ± 0.16 g/m2 h kPa. It was also found that the estimated value of ethanol activation energy (Ea(eth)) was 60.40 ± 6.40 kJ/mol whereas the estimated value of water activation energy (Ea(w)) was 56.09 ± 5.05 kJ/mol. The validation of the suggested solution-diffusion model was assessed in terms of mean absolute percentage error (MAPE) using fermentation broth where it showed high accuracy with a low value of MAPE for the ethanol flux (MAPE = 2.8%), water flux (MAPE = 2%), total flux (MAPE = 3.2%). These findings suggest the solution-diffusion model as an efficient tool for optimizing and controlling the pervaporation process when it is coupled with continuous alcoholic fermentation for bioethanol production. |
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Zentou, Hamid Z. Abidin, Zurina Yunus, Robiah Awang Biak, Dayang Radiah Issa, Mohammed Abdullah Pudza, Musa Yahaya |
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Zentou, Hamid Z. Abidin, Zurina Yunus, Robiah Awang Biak, Dayang Radiah Issa, Mohammed Abdullah Pudza, Musa Yahaya Modelling of mass transfer during pervaporation of ethanol/water mixture using polydimethylsiloxane membrane |
author_facet |
Zentou, Hamid Z. Abidin, Zurina Yunus, Robiah Awang Biak, Dayang Radiah Issa, Mohammed Abdullah Pudza, Musa Yahaya |
author_sort |
Zentou, Hamid |
title |
Modelling of mass transfer during pervaporation of ethanol/water mixture using polydimethylsiloxane membrane |
title_short |
Modelling of mass transfer during pervaporation of ethanol/water mixture using polydimethylsiloxane membrane |
title_full |
Modelling of mass transfer during pervaporation of ethanol/water mixture using polydimethylsiloxane membrane |
title_fullStr |
Modelling of mass transfer during pervaporation of ethanol/water mixture using polydimethylsiloxane membrane |
title_full_unstemmed |
Modelling of mass transfer during pervaporation of ethanol/water mixture using polydimethylsiloxane membrane |
title_sort |
modelling of mass transfer during pervaporation of ethanol/water mixture using polydimethylsiloxane membrane |
publisher |
Elsevier |
publishDate |
2021 |
url |
http://psasir.upm.edu.my/id/eprint/94226/ https://www.sciencedirect.com/science/article/pii/S0263876221003877 |
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1768009389831094272 |
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13.209306 |