Membrane Catalytic Oxidation in Water Treatment

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

Deadline for manuscript submissions: closed (30 April 2025) | Viewed by 448

Special Issue Editor


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Guest Editor
School of Marine Science and Technology, Harbin Institute of Technology at Weihai, Weihai 264209, China
Interests: advanced oxidation water treatment technology; development and application of high-performance catalytic materials

Special Issue Information

Dear Colleagues,

This Special Issue aims to explore the application of membrane catalytic oxidation (MCO) technology in the field of water treatment, focusing on its innovative approaches, efficiency, and potential for sustainable water purification. Membrane catalytic oxidation represents a cutting-edge method that combines the advantages of membrane separation processes and catalytic oxidation reactions to degrade contaminants in water, offering an advanced solution to the growing demand for high-performance water treatment technologies. This Special Issue will cover a wide range of topics related to membrane catalytic oxidation, including but not limited to the following:

  • Inorganic electrified membranes;
  • Confined catalytic membranes;
  • Catalytic membrane materials and designs;
  • Fundamentals and mechanisms of catalytic membranes.

Dr. Ying Zhao
Guest Editor

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Keywords

  • catalytic membrane
  • advanced oxidation processes (AOPs)
  • organic pollutants
  • hydroxyl radicals
  • ozonation
  • water and wastewater treatment
  • degradation pathways

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Published Papers (1 paper)

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Research

11 pages, 5466 KiB  
Article
Electrocatalytic PANI-Encapsulated Aluminum Silicate/Ceramic Membranes for Efficient and Energy-Saving Removal of 4-Chlorophenol in Wastewater
by Shuo Wang, Tianhao Huang, Haoran Ma, Zihan Liu, Houbing Xia, Zhiqiang Sun, Jun Ma and Ying Zhao
Membranes 2025, 15(4), 114; https://doi.org/10.3390/membranes15040114 - 7 Apr 2025
Viewed by 282
Abstract
The removal of chlorinated organic pollutants from wastewater is a critical environmental challenge, as traditional methods for treating toxic pollutants like phenol and chlorophenols often suffer from high energy consumption and long treatment times, limiting their practical use. Electrocatalytic filtration has emerged as [...] Read more.
The removal of chlorinated organic pollutants from wastewater is a critical environmental challenge, as traditional methods for treating toxic pollutants like phenol and chlorophenols often suffer from high energy consumption and long treatment times, limiting their practical use. Electrocatalytic filtration has emerged as a promising alternative, but efficient, energy-saving electrocatalytic membranes for pollutants like 4-chlorophenol (4-CP) are still underexplored. A new type of electrocatalytic coupling membrane catalyst, ASP/CM (PANI-encapsulated aluminum silicate/ceramic membrane), was prepared using inexpensive silicate and polyaniline as the base materials, with in situ polymerization combined with co-focus magnetron sputtering. Under optimal conditions (25 mA/cm2, 10 mM Na2SO4, 1.0 mL·min−1 flow rate, and 50 μM 4-CP concentration), the membrane achieved about 95.1% removal of 4-CP and the degradation rate after five cycles was higher than 85%. In addition, O2•− and •OH are important active species in the electrocatalytic degradation of 4-CP. The 4-CP electrocatalytic membrane filtration process is a dual process of cathode reduction dechlorination and anodic oxidation. This work offers new insights into developing next-generation electrocatalytic membranes and expands the practical applications of electrocatalytic filtration systems. Full article
(This article belongs to the Special Issue Membrane Catalytic Oxidation in Water Treatment)
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