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Membranes
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Recent Advances in Membrane Distillation
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Recent Advances in Membrane Distillation

A special issue of Membranes (ISSN 2077-0375). This special issue belongs to the section "Membrane Surfaces and Interfaces".

Deadline for manuscript submissions: closed (30 November 2021) | Viewed by 5005

Special Issue Editor

Prof. Dr. Fei Guo

E-Mail Website1 Website2
Guest Editor
School of Energy and Power Engineering, Dalian University of Technology, No.2 Linggong Road, Dalian 116024, China
Interests: membrane distillation; thermodynamics; electrospinning
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The membrane distillation (MD) process is a combination of thermodynamics, transport, and membrane technology. It is the trend of the next generation separation technology by applying porous membranes as the media. The observed growing interest in MD technology is attributed to the MD advantageous characteristics. To date, tremendous progress has been made in all aspects of MD science and technology from the laboratory towards its industrial implementation.

This Special Issue will cover the recently advance in MD topics, including both fundamental and applied MD concepts. Original research and reviews that provide the most recent and cutting-edge accomplishments, with emphasis on the following topics, but not limited to these, are welcome:

  • Membrane formation, structure, function, and performance
  • Novel configurations and modules
  • Pilot plant design and advanced systems
  • Transport analysis
  • Simulation and theoretical modelling in MD processes
  • Design, technical, economic and regulatory analyses of full-scale plants
  • Use of renewable energy and waste heat sources
  • Evaluation of MD energy requirements and MD desalination costs
  • Potential applications

Prof. Dr. Fei Guo
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Membranes is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Applications of membrane distillation
  • Novel membranes and configurations
  • Transmembrane behaviors
  • Thermodynamics
  • Pilot plant design

Published Papers (2 papers)

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Research

15 pages, 3112 KiB  
Article
Membranes for the Gas/Liquid Phase Separation at Elevated Temperatures: Characterization of the Liquid Entry Pressure
by Sara Claramunt, Florian Völker, Uta Gerhards, Manfred Kraut and Roland Dittmeyer
Membranes 2021, 11(12), 907; https://doi.org/10.3390/membranes11120907 - 23 Nov 2021
Cited by 5 | Viewed by 1785
Abstract
Hydrophobic membranes were characterized at elevated temperatures. Pressure was applied at the feed and permeate side to ensure liquid phase conditions. Within this scope, the applicability of different polymeric and ceramic membranes in terms of liquid entry pressure was studied using water. The [...] Read more.
Hydrophobic membranes were characterized at elevated temperatures. Pressure was applied at the feed and permeate side to ensure liquid phase conditions. Within this scope, the applicability of different polymeric and ceramic membranes in terms of liquid entry pressure was studied using water. The Visual Method and the Pressure Step Method were applied for the experimental investigation. The results show the Pressure Step Method to be an early detection method. The tests at higher pressure and temperature conditions using the Pressure Step Method revealed the temperature as being the main factor affecting the liquid entry pressure. Novel LEP data up to 120 °C and 2.5 bar were obtained, which broadens the application range of hydrophobic membranes. Full article
(This article belongs to the Special Issue Recent Advances in Membrane Distillation)
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11 pages, 6100 KiB  
Article
Mass Transfer Analysis of Air-Cooled Membrane Distillation Configuration for Desalination
by Shuo Cong, Qingxiu Miao and Fei Guo
Membranes 2021, 11(4), 281; https://doi.org/10.3390/membranes11040281 - 10 Apr 2021
Cited by 3 | Viewed by 2576
Abstract
It has been proposed that the air-cooled configuration for air gap membrane distillation is an effective way to simplify the system design and energy source requirement. This offers potential for the practical applications of membrane distillation on an industrial scale. In this work, [...] Read more.
It has been proposed that the air-cooled configuration for air gap membrane distillation is an effective way to simplify the system design and energy source requirement. This offers potential for the practical applications of membrane distillation on an industrial scale. In this work, membrane distillation tests were performed using a typical water-cooled membrane distillation (WCMD) configuration and an air-cooled membrane distillation (ACMD) configuration with various condensing plates and operating conditions. To increase the permeate flux of an ACMD system, the condensing plate in the permeate side should transfer heat to the atmosphere more effectively, such as using a more thermally conductive plate, adding fins, or introducing forced convection air flow. Importantly, a practical mass transfer model was proposed to describe the ACMD performance in terms of permeate flux. This model can be simplified by introducing specific correction values to the mass transfer coefficient of a WCMD process under the same conditions. The two factors relate to the capacity (B) and the efficiency (σ), which can be considered as the characteristic factors of a membrane distillation (MD) system. The experimental results are consistent with the theoretical estimations based on this model, which can be used to describe the performance of an MD process. Full article
(This article belongs to the Special Issue Recent Advances in Membrane Distillation)
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