Hydrophobic Membranes

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 September 2023) | Viewed by 2628

Special Issue Editors

State Key Laboratory of Separation Membranes and Membrane Processes, School of Material Science and Engineering, Tiangong University, Tianjin 300387, China
Interests: separation membranes and processes; preparation and modification of hydrophobic membrane; nanofiltration & ultrafiltration membranes
College of Environment and Ecology, Chongqing University, Chongqing 400045, China
Interests: membrane processes; water treatment
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The selective transfer of volatile components in mixed matrices makes hydrophobic membranes preferable in gas separation, transmembrane chemical absorption, pervaporation, membrane distillation, and other applications. However, the fouling issues and trade-off effect between selectivity and permeability are inevitable for hydrophobic membranes, same to the other membrane types. Moreover, wetting of hydrophobic membranes and the induced doubt on process endurance/efficiency/technology readiness level are all barriers against its further development. Consequently, there exists a great gap between laboratory research and industrial applications for hydrophobic membranes, which requires numerous effort to critically discuss the current status and further potentials for hydrophobic membrane.

This Special Issue aims to collect the recent contribution, state-of-the-art progress, and novel perspective about hydrophobic membranes. Researches on materials and process of hydrophobic membrane, modelling related to separation/transfer mechanism, operating parameters/systematic performance prediction/module and accessories for hydrophobic membrane application, as well as effective strategy of anti-fouling/wetting are all encouraged, which are within the journal scope.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but not limited to) the following:

  • Tailored hydrophobic membrane materials (organic/inorganic/mixed …)
  • New hydrophobic membrane fabrication methods
  • Tailored module and up-scaled performance
  • Separation and/or transfer mechanism (mass/heat …)
  • Fouling/wetting issues in various circumstances (phenomenon/characterization/mechanism …)
  • Promising strategies against membrane fouling/wetting
  • Hydrophobic membrane applications toward carbon emission mitigation
  • Processes and applications in desalination/resource recovery/water purification …

Dr. Chunrui Wu
Dr. Le Han
Guest Editors

Manuscript Submission Information

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2200 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

  • hydrophobic membranes
  • membrane materials
  • fouling
  • wetting
  • applications

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Published Papers (1 paper)

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Research

17 pages, 5530 KiB  
Article
Treatment of Aniline Wastewater by Membrane Distillation and Crystallization
by Fangli Zhang, Wei Hou, Zhonglin Yang, Zhaohui Wang, Rizhi Chen, Enrico Drioli, Xiaozu Wang and Zhaoliang Cui
Membranes 2023, 13(6), 561; https://doi.org/10.3390/membranes13060561 - 30 May 2023
Cited by 7 | Viewed by 2019
Abstract
Aniline is a highly toxic organic pollutant with “carcinogenic, teratogenic and mutagenesis” characteristics. In the present paper, a membrane distillation and crystallization (MDCr) process was proposed to achieve zero liquid discharge (ZLD) of aniline wastewater. Hydrophobic polyvinylidene fluoride (PVDF) membranes were used in [...] Read more.
Aniline is a highly toxic organic pollutant with “carcinogenic, teratogenic and mutagenesis” characteristics. In the present paper, a membrane distillation and crystallization (MDCr) process was proposed to achieve zero liquid discharge (ZLD) of aniline wastewater. Hydrophobic polyvinylidene fluoride (PVDF) membranes were used in the membrane distillation (MD) process. The effects of the feed solution temperature and flow rate on the MD performance were investigated. The results showed that the flux of the MD process was up to 20 L·m−2·h−1 and the salt rejection was above 99% under the feeding condition of 60 °C and 500 mL/min. The effect of Fenton oxidation pretreatment on the removal rate of aniline in aniline wastewater was also investigated, and the possibility of realizing the ZLD of aniline wastewater in the MDCr process was verified. Full article
(This article belongs to the Special Issue Hydrophobic Membranes)
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