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Overcoming the Limitations of Forward Osmosis and Membrane Distillation in Sustainable Hybrid Processes Managing the Water-Energy Nexus

Suleman, Muhammad LU ; Al-Rudainy, Basel LU and Lipnizki, Frank LU orcid (2025) In Membranes 15(6).
Abstract

Energy-efficient and cost-effective water desalination systems can significantly replenish freshwater reserves without further stressing limited energy resources. Currently, the majority of the desalination systems are operated by non-renewable energy sources such as fossil fuel power plants. The viability of any desalination process depends primarily on the type and amount of energy it utilizes and on the product recovery. In recent years, membrane distillation (MD) and forward osmosis (FO) have drawn the attention of the scientific community because of FO's low energy demand and the potential of MD operation with low-grade heat or a renewable source like geothermal, wind, or solar energy. Despite the numerous potential advantages of... (More)

Energy-efficient and cost-effective water desalination systems can significantly replenish freshwater reserves without further stressing limited energy resources. Currently, the majority of the desalination systems are operated by non-renewable energy sources such as fossil fuel power plants. The viability of any desalination process depends primarily on the type and amount of energy it utilizes and on the product recovery. In recent years, membrane distillation (MD) and forward osmosis (FO) have drawn the attention of the scientific community because of FO's low energy demand and the potential of MD operation with low-grade heat or a renewable source like geothermal, wind, or solar energy. Despite the numerous potential advantages of MD and FO, there are still some limitations that negatively affect their performance associated with the water-energy nexus. This critical review focuses on the hybrid forward osmosis-membrane distillation (FO-MD) processes, emphasizing energy demand and product quality. It starts with exploring the limitations of MD and FO as standalone processes and their performance. Based on this, the importance of combining these technologies into an FO-MD hybrid process and the resulting strengths of it will be demonstrated. The promising applications of this hybrid process and their advantages will be also explored. Furthermore, the performance of FO-MD processes will be compared with other hybrid processes like FO-nanofiltration (FO-NF) and FO-reverse osmosis (FO-RO). It will be outlined how the FO-MD hybrid process could outperform other hybrid processes when utilizing a low-grade heat source. In conclusion, it will be shown that the FO-MD hybrid process can offer a sustainable solution to address water scarcity and efficiently manage the water-energy nexus.

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Please use this url to cite or link to this publication:
author
; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Membrane processes, Desalination, Forward osmosis, Membrane distillation, Draw solution
in
Membranes
volume
15
issue
6
article number
162
pages
45 pages
publisher
MDPI AG
external identifiers
  • pmid:40559341
ISSN
2077-0375
DOI
10.3390/membranes15060162
project
DEmonstration of concentrated SOLar power coupled wIth advaNced desAlinaTion system in the gulf regION.
language
English
LU publication?
yes
id
3cdbfbd5-83c8-4c9c-addc-792c18eeac6f
date added to LUP
2025-06-26 07:18:09
date last changed
2025-06-26 12:44:49
@article{3cdbfbd5-83c8-4c9c-addc-792c18eeac6f,
  abstract     = {{<p>Energy-efficient and cost-effective water desalination systems can significantly replenish freshwater reserves without further stressing limited energy resources. Currently, the majority of the desalination systems are operated by non-renewable energy sources such as fossil fuel power plants. The viability of any desalination process depends primarily on the type and amount of energy it utilizes and on the product recovery. In recent years, membrane distillation (MD) and forward osmosis (FO) have drawn the attention of the scientific community because of FO's low energy demand and the potential of MD operation with low-grade heat or a renewable source like geothermal, wind, or solar energy. Despite the numerous potential advantages of MD and FO, there are still some limitations that negatively affect their performance associated with the water-energy nexus. This critical review focuses on the hybrid forward osmosis-membrane distillation (FO-MD) processes, emphasizing energy demand and product quality. It starts with exploring the limitations of MD and FO as standalone processes and their performance. Based on this, the importance of combining these technologies into an FO-MD hybrid process and the resulting strengths of it will be demonstrated. The promising applications of this hybrid process and their advantages will be also explored. Furthermore, the performance of FO-MD processes will be compared with other hybrid processes like FO-nanofiltration (FO-NF) and FO-reverse osmosis (FO-RO). It will be outlined how the FO-MD hybrid process could outperform other hybrid processes when utilizing a low-grade heat source. In conclusion, it will be shown that the FO-MD hybrid process can offer a sustainable solution to address water scarcity and efficiently manage the water-energy nexus.</p>}},
  author       = {{Suleman, Muhammad and Al-Rudainy, Basel and Lipnizki, Frank}},
  issn         = {{2077-0375}},
  keywords     = {{Membrane processes; Desalination; Forward osmosis; Membrane distillation; Draw solution}},
  language     = {{eng}},
  month        = {{05}},
  number       = {{6}},
  publisher    = {{MDPI AG}},
  series       = {{Membranes}},
  title        = {{Overcoming the Limitations of Forward Osmosis and Membrane Distillation in Sustainable Hybrid Processes Managing the Water-Energy Nexus}},
  url          = {{http://dx.doi.org/10.3390/membranes15060162}},
  doi          = {{10.3390/membranes15060162}},
  volume       = {{15}},
  year         = {{2025}},
}