Optimization of forward osmosis system for the utilization of reverse osmosis brine

This research aimed to utilize the concentrated brine by incorporating a forward osmosis (FO) system as a post-treatment in a reverse osmosis (RO) plant. The objective of this study was to optimize the operating condition of an FO system utilizing RO brine. Water flux and reverse solute flux were me...

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Main Authors: Eusebio, Ramon Christian, Promentilla, Michael Angelo, Kim, Han Seung
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Published: Animo Repository 2016
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Online Access:https://animorepository.dlsu.edu.ph/faculty_research/2391
https://animorepository.dlsu.edu.ph/context/faculty_research/article/3390/type/native/viewcontent
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spelling oai:animorepository.dlsu.edu.ph:faculty_research-33902021-08-26T01:17:24Z Optimization of forward osmosis system for the utilization of reverse osmosis brine Eusebio, Ramon Christian Promentilla, Michael Angelo Kim, Han Seung This research aimed to utilize the concentrated brine by incorporating a forward osmosis (FO) system as a post-treatment in a reverse osmosis (RO) plant. The objective of this study was to optimize the operating condition of an FO system utilizing RO brine. Water flux and reverse solute flux were measured at different draw solution (DS) concentrations. Change in the salinity of the feed and permeate flux are the two parameters that were monitored and evaluated. To further optimize the process, membrane fouling was also investigated. Fouled membrane was subjected to scanning electron microscopy and energy dispersive X-ray analyses. Seawater was used as the feed while sodium chloride was used to simulate different brine concentrations. It was observed that increasing the concentration of brine enhances permeate flux. However, increase in reverse solute flux was also observed compensating the high water flux. Fouling in the support layer of FO membrane was evident at 200 g/L DS concentration. While 100 g/L was found to be the most suitable for FO system with almost similar fouling propensity as compared to 50 and 75 g/L. With lower internal concentration polarization and optimized operating condition, FO system could be efficiently used in utilizing RO brine. © 2016 Balaban Desalination Publications. All rights reserved. 2016-12-07T08:00:00Z text text/html https://animorepository.dlsu.edu.ph/faculty_research/2391 https://animorepository.dlsu.edu.ph/context/faculty_research/article/3390/type/native/viewcontent Faculty Research Work Animo Repository Osmosis Reverse osmosis Salt Chemical Engineering
institution De La Salle University
building De La Salle University Library
continent Asia
country Philippines
Philippines
content_provider De La Salle University Library
collection DLSU Institutional Repository
topic Osmosis
Reverse osmosis
Salt
Chemical Engineering
spellingShingle Osmosis
Reverse osmosis
Salt
Chemical Engineering
Eusebio, Ramon Christian
Promentilla, Michael Angelo
Kim, Han Seung
Optimization of forward osmosis system for the utilization of reverse osmosis brine
description This research aimed to utilize the concentrated brine by incorporating a forward osmosis (FO) system as a post-treatment in a reverse osmosis (RO) plant. The objective of this study was to optimize the operating condition of an FO system utilizing RO brine. Water flux and reverse solute flux were measured at different draw solution (DS) concentrations. Change in the salinity of the feed and permeate flux are the two parameters that were monitored and evaluated. To further optimize the process, membrane fouling was also investigated. Fouled membrane was subjected to scanning electron microscopy and energy dispersive X-ray analyses. Seawater was used as the feed while sodium chloride was used to simulate different brine concentrations. It was observed that increasing the concentration of brine enhances permeate flux. However, increase in reverse solute flux was also observed compensating the high water flux. Fouling in the support layer of FO membrane was evident at 200 g/L DS concentration. While 100 g/L was found to be the most suitable for FO system with almost similar fouling propensity as compared to 50 and 75 g/L. With lower internal concentration polarization and optimized operating condition, FO system could be efficiently used in utilizing RO brine. © 2016 Balaban Desalination Publications. All rights reserved.
format text
author Eusebio, Ramon Christian
Promentilla, Michael Angelo
Kim, Han Seung
author_facet Eusebio, Ramon Christian
Promentilla, Michael Angelo
Kim, Han Seung
author_sort Eusebio, Ramon Christian
title Optimization of forward osmosis system for the utilization of reverse osmosis brine
title_short Optimization of forward osmosis system for the utilization of reverse osmosis brine
title_full Optimization of forward osmosis system for the utilization of reverse osmosis brine
title_fullStr Optimization of forward osmosis system for the utilization of reverse osmosis brine
title_full_unstemmed Optimization of forward osmosis system for the utilization of reverse osmosis brine
title_sort optimization of forward osmosis system for the utilization of reverse osmosis brine
publisher Animo Repository
publishDate 2016
url https://animorepository.dlsu.edu.ph/faculty_research/2391
https://animorepository.dlsu.edu.ph/context/faculty_research/article/3390/type/native/viewcontent
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