Integrated MnO2 nanosheet ultrafiltration ceramic membrane with micro-nano bubbles for catalytic treatment of dye wastewater

Yalong Duan,Jiang Yu,Ruxia Zhang, Pengfei Han,Ping Ren, Min Liu,Ngie Hing Wong,Jaka Sunarso

Separation and Purification Technology（2022）

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摘要

•Coating MnO2 nanosheets on Al2O3 ceramic membranes via the hydrothermal route.•Integrated MnO2/Al2O3 CM with micro-nano bubbles for dye wastewater treatment.•·OH and 1O2 are the primary reactive species for methylene blue (MB) degradation.•Initial MB concentration, temperature, flux, and pH affected MB degradation.•Mechanism of micro-nano bubble catalysis with MnO2 catalysts for MB degradation.

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关键词

Catalytic membrane reactor,Ceramic membrane,Manganese oxide nanosheet,Methylene blue,Micro-nano bubbles

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