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出 处:《中国环境科学》2018年第3期852-861,共10页China Environmental Science
基 金:国家自然科学基金资助项目(21337001)
摘 要:简要介绍了纳米二氧化钛(Ti O_2)光催化技术的发展历史和反应原理.重点讨论了纳米Ti O_2光催化技术在大气污染物催化转化方面的研究进展与前沿问题,分析发现该技术对一些典型大气有机污染物、氮氧化物、硫化物以及二氧化碳等有较高的去除效率(去除率多在80%~99%之间).总结了纳米Ti O_2光催化技术在大气污染治理中的应用状况,结果表明在空气净化、机动车尾气净化、化石燃料脱硫以及温室效应控制等方面已初步进入实用阶段.Here the history and basic principles of nano-TiO2 photocatalytic technology were briefly reviewed. Theprogress and challenges of applying nano-TiO2 photocatalytic technology in eliminating typical atmospheric pollutantswere discussed in detail. The results show that nano-TiO2 photocatalytic technology can efficiently remove organicpollutants, NOx, sulfide, as well as CO2 with a general removal ratio of 80~99%. The applications of nano-TiO2photocatalytic technology in atmospheric pollution control were also summarized. Nano-TiO2 photocatalytic technologyhas already found its applications in the field of air purification, vehicles exhaust purification, desulfurization of fossilfuels, and control of green-house effect.
分 类 号:X511[环境科学与工程—环境工程]
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