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Membranes
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Membrane Distillation for Water Treatment and Recycling
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Membrane Distillation for Water Treatment and Recycling

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

Deadline for manuscript submissions: closed (30 October 2023) | Viewed by 2767

Special Issue Editors

Prof. Dr. Jianfeng Li

E-Mail Website
Guest Editor
College of Environmental & Resource Sciences, Shanxi University, Taiyuan 030006, China
Interests: membrane separation; wastewater treatment; catalytic degradation; coagulation; resource reclamation
Prof. Dr. Jun Wang

E-Mail Website
Guest Editor
Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, 18 Shuangqing Road, Beijing 100085, China
Interests: water treatment; membrane fabrication; membrane separation processes; wastewater detoxication and re-source recovery
Prof. Dr. Kuichang Zuo

E-Mail Website
Guest Editor
The Key Laboratory of Water and Sediment Sciences, Ministry of Education, College of Environment Sciences and Engineering, Peking University, Beijing 100871, China
Interests: water treatment; membrane technology; electrochemis-try; nanotechnology

Special Issue Information

Dear Colleagues,

With decades of development, membrane distillation (MD) has been a promising technology ranging from the treatment of hypersaline solutions and wastewaters to resource recovery. Its ability to utilize low-grade thermal energy to treat challenging wastewater which cannot be treated by conventional pressure-driven membrane processes is highly advantageous. MD can also be integrated with other water treatment technologies towards zero liquid discharge, establishing an ideal process for sustainable concentrate treatment. Similar to other membrane processes, membrane fouling and consequent wetting are major challenges in MD processes. In recent years, novel membrane designs and process configurations have been developed to overcome these bottleneck problems and improve MD energy efficiency, playing a vital role in its further industrial application.

This Special Issue of Membranes on “Membrane Distillation for Water Treatment and Recycling” aims to collect recent progress, breakthroughs, applications, challenges, and future directions of MD technology. Improvements in MD membranes and configurations are encouraged. We also welcome studies on membrane characterization, numerical model calculation/simulation, and technologies for the upscaling of MD, enabling wider utilization. We look forward to receiving your contributions.

Prof. Dr. Jianfeng Li
Prof. Dr. Jun Wang
Prof. Dr. Kuichang Zuo
Guest Editors

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

  • membrane distillation
  • wastewater treatment
  • novel MD configurations
  • new membrane materials
  • membrane fouling and wetting
  • water–energy–environment nexus

Published Papers (2 papers)

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Research

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25 pages, 4209 KiB  
Article
Experimental and Simulation Study of Solar-Powered Air-Gap Membrane Distillation Technology for Water Desalination
by Mostafa AbdEl-Rady Abu-Zeid, Mohamed Bassyouni, Yasser Fouad, Toderaș Monica, Abdelfatah Marni Sandid and Yasser Elhenawy
Membranes 2023, 13(10), 821; https://doi.org/10.3390/membranes13100821 - 01 Oct 2023
Cited by 1 | Viewed by 1525
Abstract
This work aimed to investigate temperature polarization (TP) and concentration polarization (CP), which affect solar-powered air-gap membrane distillation (SP-AGMD) system performance under various operating conditions. A mathematical model for the SP-AGMD system using the experimental results was performed to calculate the temperature polarization [...] Read more.
This work aimed to investigate temperature polarization (TP) and concentration polarization (CP), which affect solar-powered air-gap membrane distillation (SP-AGMD) system performance under various operating conditions. A mathematical model for the SP-AGMD system using the experimental results was performed to calculate the temperature polarization coefficient (τ), interface temperature (Tfm), and interface concentration (Cfm) at various salt concentrations (Cf), feed temperatures (Tf), and flow rates (Mf). The system of SP-AGMD was simulated using the TRNSYS program. An evacuated tube collector (ETC) with a 2.5 m2 surface area was utilized for solar water heating. Electrical powering of cooler and circulation water pumps in the SP-AGMD system was provided using a photovoltaic system. Data were subjected to one-way analysis of variance (ANOVA) and Spearman’s correlation analysis to test the significant impact of operating conditions and polarization phenomena at p < 0.05. Statistical analysis showed that Mf induced a highly significant difference in the productivity (Pr) and heat-transfer (hf) coefficients (p < 0.001) and a significant difference in τ (p < 0.05). Great F-ratios showed that Mf is the most influential parameter. Pr was enhanced by 99% and 146%, with increasing Tf (60 °C) and Mf (12 L/h), respectively, at a stable salt concentration (Cf) of 0.5% and a cooling temperature (Tc) of 20 °C. Also, the temperature increased to 85 °C when solar radiation reached 1002 W/m2 during summer. The inlet heat temperature of AGMD increased to 73 °C, and the Pr reached 1.62 kg/(m2·h). Full article
(This article belongs to the Special Issue Membrane Distillation for Water Treatment and Recycling)
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Review

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19 pages, 4448 KiB  
Review
Recent Advances in Dopamine-Based Membrane Surface Modification and Its Membrane Distillation Applications
by Haodong Jia, Jing Ren, Yue Kong, Zhongjia Ji, Shujuan Guo and Jianfeng Li
Membranes 2024, 14(4), 81; https://doi.org/10.3390/membranes14040081 - 28 Mar 2024
Viewed by 684
Abstract
Surface modification of membranes is essential for improving flux and resistance to contamination for membranes. This is of great significance for membrane distillation, which relies on the vapor pressure difference across the membrane as the driving force. In recent years, biomimetic mussel-inspired substances [...] Read more.
Surface modification of membranes is essential for improving flux and resistance to contamination for membranes. This is of great significance for membrane distillation, which relies on the vapor pressure difference across the membrane as the driving force. In recent years, biomimetic mussel-inspired substances have become the research hotspots. Among them, dopamine serves as surface modifiers that would achieve highly desirable and effective membrane applications owing to their unique physicochemical properties, such as universal adhesion, enhanced hydrophilicity, tunable reducibility, and excellent thermal conductivity. The incorporation of a hydrophilic layer, along with the utilization of photothermal properties and post-functionalization capabilities in modified membranes, effectively addresses challenges such as low flux, contamination susceptibility, and temperature polarization during membrane distillation. However, to the best of our knowledge, there is still a lack of comprehensive and in-depth discussions. Therefore, this paper systematically compiles the modification method of dopamine on the membrane surface and summarizes its application and mechanism in membrane distillation for the first time. It is believed that this paper would provide a reference for dopamine-assisted membrane separation during production, and further promote its practical application. Full article
(This article belongs to the Special Issue Membrane Distillation for Water Treatment and Recycling)
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