Abstract
AbstractDue to the fact that traditional heavy metal‐based catalysts toward wastewater treatment could cause the problem of secondary contamination, it is imperative to seek for more eco‐friendly catalysts to address this tricky issue. Recently, numerous novel metal‐based heterogeneous catalysts, especially perovskite oxides, have been widely investigated for the activation of peroxymonosulfate (PMS), which is significant in the removal of organic pollutants. Here, we report a novel perovskite oxide (La0.7Sr0.3)CoO3‐δ (LSC)‐based 3D ceramic hollow fiber catalyst for aqueous‐phase advanced oxidation. Through it cooperating with PMS, the methylene blue (20 ppm) can be completely degraded only about 30 minutes. The mechanism of advanced oxidation process is explored via the electron paramagnetic resonance test on the active species. In addition, it also displays high activity for the degradation of other pollutes, such as tetrabromobisphenol A and rhodamine B. This study provides a new strategy to effectively degrade contaminant via introducing 3D ceramic catalysts.image
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