| 光谱学与光谱分析 |
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| A Study on Preparation and Characteristic of RuO2/TiO2 Coupled Photocatalyst |
| YAO Bing-hua1, WANG Li-ming1, YU Xiao-jiao1, YANG Guo-nong1, ZHAO Gao-yang1，ZHENG Huai-li2 |
1. Department of Applied Chemistry, Xi′an University of Technology, Xi′an 710048, China
2. College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China |
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Abstract RuO2/TiO2 coupled photocatalyst was prepared by sol-gel-dipping method. Being a model reaction, the photocatalytic degradation of direct fast black G was investigated in RuO2/TiO2 powder suspension irradiated by UV-lamp. The results showed that the addition of RuO2 to TiO2 greatly enhanced its photocatalytic activity, and the optimum dipped content of RuO2 was 0.16%, the optimum value of the calcinations temperature and the addition of RuO2/TiO2 powder were 500 ℃ and 5.00 g·L-1, respectively. The photocatalytic degradation of direct fast black G was experimentally demonstrated to follow the Langmuir-Hinshelwood kinetic model, and the adsorption constant (14.22 L·mmol-1) and the reaction rate constant [4.94×10-3 mmol(L·min)-1] were determined, respectively.
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Received: 2003-12-30
Accepted: 2004-04-16
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Corresponding Authors:
YAO Bing-hua
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| Cite this article: |
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YAO Bing-hua,WANG Li-ming,YU Xiao-jiao, et al. A Study on Preparation and Characteristic of RuO2/TiO2 Coupled Photocatalyst [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2005, 25(06): 934-937.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2005/V25/I06/934 |
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