Titanium dioxide supported on HZSM-5 for acid red 1 photocatalytic degradation

被引：0
作者：
Zhao Lv
Yingjie Tao
Wenjie Zhang
机构：
[1] Shenyang Ligong University,School of Environmental and Chemical Engineering
来源：
Reaction Kinetics, Mechanisms and Catalysis | 2021年 / 133卷
关键词：
Photocatalytic degradation; Sol–gel; TiO; HZSM-5; Acid Red 1;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The TiO2 nano-crystals were synthesized on the HZSM-5 zeolite to facilitate the photocatalyst-water separation. The HZSM-5 surface was tightly coated with a TiO2 layer in the thickness of approximately 100 nm. The distinct boundaries of the TiO2 layer and the zeolite demonstrated the strong combination of the two materials. There was insignificant effect of this interaction on the properties of the TiO2-HZSM-5 (TOHZ) at a given titanium oxide content. The chemical environments of the two elements in the titanium dioxide were not influenced by the HZSM-5. The ECB (conduction band edge) and the EVB (valence band edge) were − 0.63 and 2.45 V for the TOHZ. The supported TOHZ photocatalyst had a promising activity on Acid Red 1 (AR1) degradation. 45.4% of the AR1 molecules were degraded in the solution using 300 mg/L of TOHZ after 30 min of reaction. Reusability test showed that 73.7% of the TOHZ’s activity was retained after five treatment cycles.
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页码：531 / 539
页数：8
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