Efficient Degradation of Toluene over MnO2/TiO2 Nanobelts under Vacuum Ultraviolet Irradiation
Efficient Degradation of Toluene over MnO2/TiO2 Nanobelts under Vacuum Ultraviolet Irradiation
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真空紫外辐照下MnO2/TiO2纳米带高效降解甲苯
DOI：
10.1021/acs.iecr.2c03256
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发表时间：
2023-01
期刊：
影响因子：
--
通讯作者：
Qi Xu
中科院分区：
文献类型：
--
作者：
Qi Zhang;Fang Guo;Liangyun Yu;Bailin Wang;Jingya Ding;Lan Fan;Yifan Wu;Bairen Yang;Qi Xu
甲苯作为一种挥发性有机化合物，不仅对大气和水造成污染，而且危害人类健康。真空紫外线(VUV)虽然能有效促进甲苯的降解，但会产生大量的臭氧，造成二次污染。因此，研究既能促进甲苯降解又能促进臭氧分解的催化剂具有重要意义。本文采用浸渍还原法制备了分散均匀的MnO2/TiO2催化剂，并将其用于真空紫外光催化降解甲苯。通过对臭氧的利用和去除，提高了甲苯的去除效率。所制备的MnO2/TiO2催化剂对甲苯的脱除效率为88%，对臭氧的脱除效率为97%。真空紫外光照射对甲苯的去除效率是紫外光照射下的4.9倍。真空紫外光与多功能催化剂的协同作用有效地提高了甲苯的脱除效率。
Toluene, as a kind of volatile organic compounds, not only causes pollution to the atmosphere and water but also damages human health. Although vacuum ultraviolet (VUV) can effectively promote the degradation of toluene, it will produce a large amount of O3, which will cause secondary pollution. Therefore, it is very important to study catalysts that can promote both toluene degradation and ozone decomposition. In this work, a MnO2/TiO2catalyst with uniformly dispersed MnO2was prepared using the immersion reduction method, which was used to degrade toluene under VUV. The toluene removal efficiency was improved by the utilization and elimination of O3. The toluene removal efficiency over the prepared MnO2/TiO2catalyst was 88%, and the O3removal rate was 97%. The toluene removal efficiency under VUV was 4.9 times that of UV. The synergistic effect of VUV and multifunctional catalyst effectively improved the toluene removal efficiency.
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影响因子：
15
作者：
Zhibing Sun;Ya-Nan Si;Shu‐Na Zhao;Qian-You Wang;Shuangquan Zang
通讯作者：
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影响因子：
15.1
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影响因子：
22.1
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