Utilizing Hybrid RO-OARO Systems as New Methods for Desalination Process
The scarcity of fresh water and its essential role in sustaining life on Earth have motivated researchers to seek new, low-cost, scalable technologies for water desalination. Therefore, the osmotically assisted reverse osmosis (OARO) membrane process presents an innovative approach to achieve moder...
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| Format: | Article |
| Language: | English |
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University of Baghdad/College of Engineering
2024-03-01
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| Series: | Iraqi Journal of Chemical and Petroleum Engineering |
| Subjects: | |
| Online Access: | https://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/1189 |
| _version_ | 1827572320965754880 |
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| author | Hassanain A. Hassan Ahmed Faiq Al-Alawy Muayad Al-shaeli |
| author_facet | Hassanain A. Hassan Ahmed Faiq Al-Alawy Muayad Al-shaeli |
| author_sort | Hassanain A. Hassan |
| collection | DOAJ |
| description |
The scarcity of fresh water and its essential role in sustaining life on Earth have motivated researchers to seek new, low-cost, scalable technologies for water desalination. Therefore, the osmotically assisted reverse osmosis (OARO) membrane process presents an innovative approach to achieve moderate water recoveries from high salinity water without undergoing a phase change. This work aims to investigate the performance of hybrid RO-OARO systems with various designs and operational parameters on recovery and R%. The hybrid systems were evaluated for 60 minutes at feed concentrations of 3.98-5.54 g/l, applied pressures ranging from 3 to 7 bars, and different membrane types. The results showed that the flux of the hybrid system increased by increasing the pressure and decreased by increasing the feed concentration. The highest recovery value was obtained for the RO-OARO system at an RO pressure of 7 bar and an OARO unit at 3 bar for a 3.98 g/l feed concentration. In contrast, when the reverse osmosis pressure was fixed at 5 bar, and the pressure of the OARO unit increased by 2 bar, the recovery value exceeded by about 6%. Furthermore, the FilmTech membrane showed the highest recovery at 31.7%, while the highest R% was 94.55% for the AquaTec membrane. The RO-OARO-OARO system contributed to increasing both the recovery and rejection values by 11.4 and 2.1%, respectively, compared with the RO-OARO system. The experiments in this study revealed a slight increase in the feed concentration of the reverse osmosis unit, indicating the efficiency of the hybrid systems compared to traditional RO systems.
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| first_indexed | 2024-04-24T16:29:06Z |
| format | Article |
| id | doaj.art-4a1f89fde5604e25be367372ceb08ed6 |
| institution | Directory Open Access Journal |
| issn | 1997-4884 2618-0707 |
| language | English |
| last_indexed | 2024-04-24T16:29:06Z |
| publishDate | 2024-03-01 |
| publisher | University of Baghdad/College of Engineering |
| record_format | Article |
| series | Iraqi Journal of Chemical and Petroleum Engineering |
| spelling | doaj.art-4a1f89fde5604e25be367372ceb08ed62024-03-30T08:18:40ZengUniversity of Baghdad/College of EngineeringIraqi Journal of Chemical and Petroleum Engineering1997-48842618-07072024-03-0125110.31699/IJCPE.2024.1.3Utilizing Hybrid RO-OARO Systems as New Methods for Desalination ProcessHassanain A. Hassan0https://orcid.org/0000-0003-1676-4569Ahmed Faiq Al-Alawy1https://orcid.org/0000-0001-5016-7106Muayad Al-shaeli2https://orcid.org/0000-0002-0888-4985Department of Chemical Engineering, College of Engineering, University of Baghdad, Baghdad, IraqDepartment of Chemical Engineering, College of Engineering, University of Baghdad, Baghdad, IraqPaul Wurth Chair, Faculty of Science, Technology and Medicine, University of Luxembourg, Esch-sur-Alzette, Luxembourg The scarcity of fresh water and its essential role in sustaining life on Earth have motivated researchers to seek new, low-cost, scalable technologies for water desalination. Therefore, the osmotically assisted reverse osmosis (OARO) membrane process presents an innovative approach to achieve moderate water recoveries from high salinity water without undergoing a phase change. This work aims to investigate the performance of hybrid RO-OARO systems with various designs and operational parameters on recovery and R%. The hybrid systems were evaluated for 60 minutes at feed concentrations of 3.98-5.54 g/l, applied pressures ranging from 3 to 7 bars, and different membrane types. The results showed that the flux of the hybrid system increased by increasing the pressure and decreased by increasing the feed concentration. The highest recovery value was obtained for the RO-OARO system at an RO pressure of 7 bar and an OARO unit at 3 bar for a 3.98 g/l feed concentration. In contrast, when the reverse osmosis pressure was fixed at 5 bar, and the pressure of the OARO unit increased by 2 bar, the recovery value exceeded by about 6%. Furthermore, the FilmTech membrane showed the highest recovery at 31.7%, while the highest R% was 94.55% for the AquaTec membrane. The RO-OARO-OARO system contributed to increasing both the recovery and rejection values by 11.4 and 2.1%, respectively, compared with the RO-OARO system. The experiments in this study revealed a slight increase in the feed concentration of the reverse osmosis unit, indicating the efficiency of the hybrid systems compared to traditional RO systems. https://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/1189hybridreverse osmosisosmotically assisted reverse osmosisdesalination |
| spellingShingle | Hassanain A. Hassan Ahmed Faiq Al-Alawy Muayad Al-shaeli Utilizing Hybrid RO-OARO Systems as New Methods for Desalination Process Iraqi Journal of Chemical and Petroleum Engineering hybrid reverse osmosis osmotically assisted reverse osmosis desalination |
| title | Utilizing Hybrid RO-OARO Systems as New Methods for Desalination Process |
| title_full | Utilizing Hybrid RO-OARO Systems as New Methods for Desalination Process |
| title_fullStr | Utilizing Hybrid RO-OARO Systems as New Methods for Desalination Process |
| title_full_unstemmed | Utilizing Hybrid RO-OARO Systems as New Methods for Desalination Process |
| title_short | Utilizing Hybrid RO-OARO Systems as New Methods for Desalination Process |
| title_sort | utilizing hybrid ro oaro systems as new methods for desalination process |
| topic | hybrid reverse osmosis osmotically assisted reverse osmosis desalination |
| url | https://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/1189 |
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