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Heterogeneous Catalytic Process for Wastewater Treatment
Summary
This book chapter reviews heterogeneous catalytic processes for treating difficult-to-break-down wastewater pollutants. While not focused on microplastics directly, the technologies described — including advanced oxidation — are relevant to removing plastic-associated chemical contaminants from water.
This chapter introduced heterogeneous catalysis and described diverse heterogeneous catalytic processes for wastewater treatment. The main advantages of heterogeneous catalysis were explained compared with homogeneous catalysis. The methods of synthesis and characterization of heterogeneous catalysts with some examples were then elaborated. The principle of heterogeneous catalytic treatment process of refractory wastewater was analyzed, and several different types of heterogeneous catalytic oxidation processes, technical progresses, and application examples were presented. The mechanisms of heterogeneous catalytic oxidation degradation of pollutants in wastewater were also discussed. According to the review, the heterogeneous catalytic oxidation technology was considered having a good application prospect, and the further research directions of heterogeneous catalysis were proposed.
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