Heterogeneous Catalytic Ozonation for Water Treatment: Preparation and Application of Catalyst

IF 2.1 4区 环境科学与生态学 Q3 ENGINEERING, ENVIRONMENTAL
Zekun Yang, Haitao Yang, Y. Liu, Chaoquan Hu, Hailong Jing, Hongtao Li
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引用次数: 5

Abstract

ABSTRACT Catalytic ozonation including homogeneous and heterogeneous ozonation has been extensively used in water and wastewater treatment in recent years. The liquid homogeneous catalysts cause secondary pollution and have limited development prospects. The heterogeneous catalyst exists in solid form, which is easy to separate solid from liquid, convenient to operate, and has high catalytic ozone decomposition efficiency. It can effectively mineralize organic pollutants and has great development potential. The catalyst is the core part of the whole method. In this study, the mechanism of heterogeneous catalytic ozone oxidation is briefly introduced. Several common preparation methods of ozone catalysts are reviewed. Various catalytic ozonation catalysts such as metal oxides, metals/metal oxides on supports, and carbon-based materials are summarized in detail. The application of heterogeneous catalytic ozonation in the degradation of phenols, pesticides, dyes, drugs, and other toxic organic pollutants is reviewed. At present, the structure of the catalyst is unstable, the active components of the catalyst are easily lost, and the catalytic effect is lost. Therefore, the development of supported catalysts with good stability has become the main direction of current research. The preparation and application of heterogeneous catalytic oxidation are also reviewed, which will be beneficial to further research.
非均相催化臭氧氧化水处理:催化剂的制备与应用
催化臭氧氧化包括均相臭氧氧化和非均相臭氧氧化,近年来在水和废水处理中得到了广泛的应用。液体均相催化剂造成二次污染,发展前景有限。多相催化剂以固体形式存在,固液分离容易,操作方便,催化臭氧分解效率高。它能有效地矿化有机污染物,具有很大的开发潜力。催化剂是整个方法的核心部分。本文简要介绍了非均相催化臭氧氧化的机理。综述了几种常用的臭氧催化剂的制备方法。对金属氧化物、金属/金属氧化物载体、碳基材料等多种臭氧化催化剂进行了详细的综述。综述了非均相催化臭氧化在降解酚类、农药、染料、药物和其他有毒有机污染物方面的应用。目前催化剂结构不稳定,催化剂的活性成分容易丢失,催化效果丧失。因此,开发具有良好稳定性的负载型催化剂已成为当前研究的主要方向。综述了多相催化氧化的制备方法及应用,为今后的研究提供参考。
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来源期刊
Ozone: Science & Engineering
Ozone: Science & Engineering 环境科学-工程:环境
CiteScore
5.90
自引率
11.10%
发文量
40
审稿时长
2 months
期刊介绍: The only journal in the world that focuses on the technologies of ozone and related oxidation technologies, Ozone: Science and Engineering brings you quality original research, review papers, research notes, and case histories in each issue. Get the most up-to date results of basic, applied, and engineered research including: -Ozone generation and contacting- Treatment of drinking water- Analysis of ozone in gases and liquids- Treatment of wastewater and hazardous waste- Advanced oxidation processes- Treatment of emerging contaminants- Agri-Food applications- Process control of ozone systems- New applications for ozone (e.g. laundry applications, semiconductor applications)- Chemical synthesis. All submitted manuscripts are subject to initial appraisal by the Editor, and, if found suitable for further consideration, to peer review by independent, anonymous expert referees.
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