Review of Hybrid Membrane Distillation Systems

Membrane distillation (MD) is an attractive separation process that can work with heat sources with low temperature differences and is less sensitive to concentration polarization and membrane fouling than other pressure-driven membrane separation processes, thus allowing it to use low-grade thermal...

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Main Authors: Heng Zhang, Haizhen Xian
Format: Article
Language:English
Published: MDPI AG 2024-01-01
Series:Membranes
Subjects:
Online Access:https://www.mdpi.com/2077-0375/14/1/25
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author Heng Zhang
Haizhen Xian
author_facet Heng Zhang
Haizhen Xian
author_sort Heng Zhang
collection DOAJ
description Membrane distillation (MD) is an attractive separation process that can work with heat sources with low temperature differences and is less sensitive to concentration polarization and membrane fouling than other pressure-driven membrane separation processes, thus allowing it to use low-grade thermal energy, which is helpful to decrease the consumption of energy, treat concentrated solutions, and improve water recovery rate. This paper provides a review of the integration of MD with waste heat and renewable energy, such as solar radiation, salt-gradient solar ponds, and geothermal energy, for desalination. In addition, MD hybrids with pressure-retarded osmosis (PRO), multi-effect distillation (MED), reverse osmosis (RO), crystallization, forward osmosis (FO), and bioreactors to dispose of concentrated solutions are also comprehensively summarized. A critical analysis of the hybrid MD systems will be helpful for the research and development of MD technology and will promote its application. Eventually, a possible research direction for MD is suggested.
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spelling doaj.art-d09685e875564b3887e15e8a478ba9ff2024-01-26T17:36:41ZengMDPI AGMembranes2077-03752024-01-011412510.3390/membranes14010025Review of Hybrid Membrane Distillation SystemsHeng Zhang0Haizhen Xian1School of Power, Energy and Mechanical Engineering, North China Electric Power University, Beijing 102206, ChinaSchool of Power, Energy and Mechanical Engineering, North China Electric Power University, Beijing 102206, ChinaMembrane distillation (MD) is an attractive separation process that can work with heat sources with low temperature differences and is less sensitive to concentration polarization and membrane fouling than other pressure-driven membrane separation processes, thus allowing it to use low-grade thermal energy, which is helpful to decrease the consumption of energy, treat concentrated solutions, and improve water recovery rate. This paper provides a review of the integration of MD with waste heat and renewable energy, such as solar radiation, salt-gradient solar ponds, and geothermal energy, for desalination. In addition, MD hybrids with pressure-retarded osmosis (PRO), multi-effect distillation (MED), reverse osmosis (RO), crystallization, forward osmosis (FO), and bioreactors to dispose of concentrated solutions are also comprehensively summarized. A critical analysis of the hybrid MD systems will be helpful for the research and development of MD technology and will promote its application. Eventually, a possible research direction for MD is suggested.https://www.mdpi.com/2077-0375/14/1/25membrane distillationhybrid systemsrenewable energyforward osmosisreverse osmosis
spellingShingle Heng Zhang
Haizhen Xian
Review of Hybrid Membrane Distillation Systems
Membranes
membrane distillation
hybrid systems
renewable energy
forward osmosis
reverse osmosis
title Review of Hybrid Membrane Distillation Systems
title_full Review of Hybrid Membrane Distillation Systems
title_fullStr Review of Hybrid Membrane Distillation Systems
title_full_unstemmed Review of Hybrid Membrane Distillation Systems
title_short Review of Hybrid Membrane Distillation Systems
title_sort review of hybrid membrane distillation systems
topic membrane distillation
hybrid systems
renewable energy
forward osmosis
reverse osmosis
url https://www.mdpi.com/2077-0375/14/1/25
work_keys_str_mv AT hengzhang reviewofhybridmembranedistillationsystems
AT haizhenxian reviewofhybridmembranedistillationsystems