Journal of the Chinese Ceramic Society, Volume. 52, Issue 10, 3180(2024)
Preparation of CuO/Sepiolite Catalytic Filtration Membrane and Its Activation Performance for Peroxymonosulfate
Sulfate radical-based advanced oxidation processes (SR-AOPs) are a highly promising technology for water treatment,and their processing capacity is affected by the catalyst. However, the existing catalysts are mostly powder-based and cannot meet the requirements of recovery and mass transfer in practical applications. Catalytic filtration membrane is a functional membrane that combines catalysis and filtration. It provides a support for the catalyst to ensure its recovery, and restricts the reaction to pores, facilitating a close contact between pollutants and active sites, thereby achieving efficient utilization of peroxymonosulfate. Sepiolite is an excellent catalyst carrier because of its excellent thermal stability, great adsorption capacity, and abundant acid-base sites. In addition, sepiolite is a high-quality film-making material with fibers interwoven into a mesh structure in the same or different directions. In the paper, we prepared a CuO/sepiolite catalytic filtration membrane (CuO/sepiolite) with excellent catalytic performance via impregnation-filtering coating-drying-calcination. In addition, the performance and activation mechanism of catalyzing peroxymonosulfate method were also investigated.
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PENG Qian, XING Jiajie, ZHONG Wanling, TANG Xuekun, LIU Kun. Preparation of CuO/Sepiolite Catalytic Filtration Membrane and Its Activation Performance for Peroxymonosulfate[J]. Journal of the Chinese Ceramic Society, 2024, 52(10): 3180
Received: Dec. 18, 2023
Accepted: --
Published Online: Nov. 14, 2024
The Author Email: Kun LIU (kliu@csu.edu.cn)