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Journal ArticleDOI

Air gap membrane distillation: 2. Model validation and hollow fibre module performance analysis

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TLDR
In this article, the experimental results of counter current flow air gap membrane distillation experiments are presented and compared with predictive model calculations, and the results show that the previous developed predictive model, with membrane parameters determined from gas permeation experiments, describes correctly the dependence of water vapour flux on temperature level, temperature difference, air gap total pressure, hot water flow and membrane type.
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This article is published in Separation and Purification Technology.The article was published on 2005-06-01. It has received 62 citations till now. The article focuses on the topics: Membrane distillation & Water flow.

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Journal ArticleDOI

Membranes and theoretical modeling of membrane distillation: a review.

TL;DR: A comprehensive MD state-of-the-art review covering a wide range of commercial membranes, MD membrane engineering, their MD performance, transport mechanisms, experimental and theoretical modeling of different MD configurations as well as recent developments in MD is offered.
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Advances in Membrane Distillation for Water Desalination and Purification Applications

TL;DR: In this paper, a review of the fundamental heat and mass transfer processes in membrane distillation, recent advances in membrane technology, module configurations, and applications and economics of membrane distilled water is presented.
Journal ArticleDOI

Desalination and water recycling by air gap membrane distillation

TL;DR: In this article, the authors proposed an emerging technology for desalination based on Membrane Distillation (MD), where the main energy requirement is for low-grade thermal energy.
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Material gap membrane distillation: A new design for water vapor flux enhancement

TL;DR: In this paper, a material gap membrane distillation (MGMD) module was proposed for seawater desalination and successfully tested and an increase in the water vapor flux of about 200-800% was observed by filling the gap with sand and DI water at various feed water temperatures.
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Application of fluoroalkylsilanes (FAS) grafted ceramic membranes in membrane distillation process of NaCl solutions

TL;DR: In this paper, four hydrophobic active layer was created by grafting 1H,1H, 2H,2H,3H-perfluorodecyltriethoxysilane (C8 compound) on the commercial ceramic membrane (zirconia layer on the microporous alumina support).
References
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Journal ArticleDOI

Heat and mass transfer in membrane distillation

TL;DR: In this paper, the concept of temperature polarisation is introduced and shown to be important in the interpretation of experimental results, and hollow fiber and tubular membrane distillation systems are discussed.
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Seawater desalination by direct contact membrane distillation

TL;DR: In this paper, both the NaCl solution and real seawater are used as the feed of MD processes to investigate the differences in permeate flux, product water quality and membrane fouling.
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Membrane distillation of NaCl solution containing natural organic matter

TL;DR: In this article, the concentration of NaCl solution containing natural organic matter by membrane distillation (MD) has been performed and the morphology and composition of the fouling layer was studied using scanning electron microscopy (SEM) coupled with energy dispersion spectrometry (EDS) and Fourier transform infrared with diffuse reflectance spectroscopy (FTIR-DRS).
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Desalination by Membrane Distillation: A Parametric Study

TL;DR: In this article, an air-gap module with built-in condensing surface was used for conducting experiments on polyvinylidene fluoride flat membrane sheets and the quality of the permeate, quantified by conductivity measurements, and the percolation flux were monitored as the feed temperature, feed flow rate, cooling temperature, and cooling water flow fate were varied.
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The efficient use of energy in membrane distillation

TL;DR: In this paper, the transport processes in Membrane Distillation (MD) are described by reformulation of the conventional theories of heat and mass transfer, and a preliminary economic analysis shows that under some conditions MD is competitive with RO for production of distilled or potable water for industrial or arid-zone use.
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