Vapor Permeation: Fundamentals, Principles and Applications

Moulik, Siddhartha; Parakala, Sowmya; Sridhar, S.

doi:10.1002/9781119418399.ch8

Cited by 2 publications

(1 citation statement)

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“…[ 1 ] The driving force in the MD process is the vapor pressure difference induced by the temperature difference. [ 2 ] MD has been used for desalinating various feeds, such as seawater, reverse osmosis (RO)/multi‐effect distillation (MED)/multistage flash (MSF) brine, and mine/gas‐produced wastewater. [ 3 ] The MD performance is directly affected by the structural and physicochemical parameters of the utilized membranes.…”

Section: Introductionmentioning

confidence: 99%

Enhanced Anti‐Wetting Methods of Hydrophobic Membrane for Membrane Distillation

Zhang

Zhao

2023

Advanced Science

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Increasing issues of hydrophobic membrane wetting occur in the membrane distillation (MD) process, stimulating the research on enhanced anti‐wetting methods for membrane materials. In recent years, surface structural construction (i.e., constructing reentrant‐like structures), surface chemical modification (i.e., coating organofluorides), and their combination have significantly improved the anti‐wetting properties of the hydrophobic membranes. Besides, these methods change the MD performance (i.e., increased/decreased vapor flux and increased salt rejection). This review first introduces the characterization parameters of wettability and the fundamental principles of membrane surface wetting. Then it summarizes the enhanced anti‐wetting methods, the related principles, and most importantly, the anti‐wetting properties of the resultant membranes. Next, the MD performance of hydrophobic membranes prepared by different enhanced anti‐wetting methods is discussed in desalinating different feeds. Finally, facile and reproducible strategies are aspired for the robust MD membrane in the future.

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Section: Introductionmentioning

confidence: 99%