臭氧催化氧化与耦合工艺处理工业废水的研究进展

Research progress of ozone catalytic oxidation and coupling process for industrial wastewater treatment

臭氧催化氧化因其具有氧化能力强、降解效果好且无二次污染等优势被广泛应用在多种工业废水处理中,成为当前工业废水深度处理领域的研究热点之一。如今大部分学者对臭氧催化氧化反应过程中的催化剂反应机理、副产物种类和反应方式等问题仍存在不同见解。通过详细查阅近年来国内外关于臭氧催化氧化及其耦合工艺研究的文献以及其他相关报道资料,分别对该工艺的性能特点和反应机理、处理工业废水的应用、相关耦合工艺以及未来发展方向等四个方面进行了详细综述,认为臭氧催化氧化技术今后的研究重点应根据不同类型的工业废水有针对性地开发出高效稳定的臭氧催化剂以及新型臭氧反应器,并且对其相关耦合工艺进行优化,提升臭氧催化效率,以此减少臭氧和催化剂用量,降低工艺运行成本,从而有利于该工艺在深度处理工业废水领域进一步推广与应用。

Ozone catalytic oxidation is widely used in a variety of industrial wastewater treatment due to its strong oxidizing ability,good degradation effect and no secondary pollution.It has become one of the current research hotspots in the field of advanced industrial wastewater treatment.Nowadays,most scholars still have different opinions on the catalyst reaction mechanism,by-product types and reaction methods in the process of ozone catalytic oxidation reaction.In present work,the recent domestic and foreign literature on the research of ozone catalytic oxidation and its coupling process and other related reports were reviewed in details,respectively.The performance characteristics and reaction mechanism of the process,the application of industrial wastewater treatment,related coupling processes,and future development directions,etc were discussed.The four aspects were reviewed in detail,and it was believed that the future research focus of ozone catalytic oxidation technology should be based on different types of industrial wastewater to develop high-efficiency and stable ozone catalysts and new ozone reactors.Furthermore,by optimizing related coupling processes to improve the catalytic efficiency of ozone and reduce the amount of ozone and catalyst,the operating cost of the process,it is conducive to the further promotion and application of the process in the field of advanced treatment of industrial wastewater.