非均相催化臭氧氧化水中难降解有机物效率与机理研究进展

Study progress of the efficiency and mechanism of the heterogeneous catalytic ozonation of refractory organic pollutants in water

非均相催化剂催化臭氧氧化水中难降解有机污染物,是目前环境处理技术研究中的热点。综述了非均相催化臭氧氧化体系中,不同催化剂催化臭氧氧化去除水中难降解有机物的最新进展,主要包括金属氧化物、活性炭、负载型催化剂及其他常见催化剂催化臭氧氧化对水中难降解有机物的降解效果,并分析了催化剂的使用寿命及稳定性,同时阐述了非均相催化臭氧氧化降解水中难降解有机物的反应机理。

Heterogeneous catalytic ozonation is a hot spot in the research of environmental treatment technology at present for degradation organic pollutants in water. Different catalysts in heterogeneous catalytic ozonation system for removal of refractory organics in water were reviewed, mainly include metal oxide, activated carbon, load type catalyst and other common catalysts. The life and the stability of the catalysts were also analyzed. The reaction mechanisms of catalytic ozonation for degradation of organic compounds were explored.