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Catalysts 2019, 9(3), 241; https://doi.org/10.3390/catal9030241

Application of Heterogeneous Catalytic Ozonation for Refractory Organics in Wastewater

1
School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, China
2
State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, China
3
College of Chemistry and Chemical Engineering, Xi’an Shiyou University, Xi’an 710065, China
4
Safety & Environment & Technology Supervision Research Institute of Southwest Oil & Gas Field Company, PetroChina, Chengdu 6100041, China
*
Author to whom correspondence should be addressed.
Received: 22 January 2019 / Revised: 27 February 2019 / Accepted: 27 February 2019 / Published: 5 March 2019
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Abstract

Catalytic ozonation is believed to belong to advanced oxidation processes (AOPs). Over the past decades, heterogeneous catalytic ozonation has received remarkable attention as an effective process for the degradation of refractory organics in wastewater, which can overcome some disadvantages of ozonation alone. Metal oxides, metals, and metal oxides supported on oxides, minerals modified with metals, and carbon materials are widely used as catalysts in heterogeneous catalytic ozonation processes due to their excellent catalytic ability. An understanding of the application can provide theoretical support for selecting suitable catalysts aimed at different kinds of wastewater to obtain higher pollutant removal efficiency. Therefore, the main objective of this review article is to provide a summary of the accomplishments concerning catalytic ozonation to point to the major directions for choosing the catalysts in catalytic ozonation in the future. View Full-Text
Keywords: AOPs; heterogeneous catalytic ozonation; mechanisms; ozonation AOPs; heterogeneous catalytic ozonation; mechanisms; ozonation
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Wang, B.; Zhang, H.; Wang, F.; Xiong, X.; Tian, K.; Sun, Y.; Yu, T. Application of Heterogeneous Catalytic Ozonation for Refractory Organics in Wastewater. Catalysts 2019, 9, 241.

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