| 光谱学与光谱分析 |
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| Study on Preparation of CuO/Cu2(OH)3Cl Powder and Its Spectrum Behavior for Photodegradation Decoloration of Dyes |
| DENG Fan-zheng, ZHU Ai-xia, YANG Rui |
| Department of Chemistry, Huaibei Coal Industrial Teachers’ College，Huaibei 235000, China |
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Abstract Ultrafine powder CuO/Cu2(OH)3Cl photocatalysts were prepared by CuCl2 and NaOH reaction and heating meuhod of microwave liquid phase. XRD and FTIR were used to investigate the properties of the CuO/Cu2(OH)3Cl powder, and photocatalytic degradation of dyes by the CuO/Cu2(OH)3Cl catalysts was investigated. The results show that the decoloration rate is related to the pH value of dyes solution, irradiation time, as well as the intensity of irradiation. After irradiation with sun light for 4 h, the decoloration rate was up to 90% when the concentration of dyes was 20 mg·L-1, the amount of catalyst was 40 mg and the acidity was pH 8 in 50 mL dye solution. Adding Fe3+, H2O2 and other catalyst can improve the decoloration rate greatly. So the decoloration of dyes was due to photocatalytic degradation by analyzing the IR spectrum and the ultraviolet spectrum, and the photocatalytic activity of CuO/Cu2(OH)3Cl powder is good in photocatalytic decoloration of dyes, such as amido black, indigo carmine and so on. The stability of photocatalytic nature of powder CuO/Cu2(OH)3Cl was studied, and CuO/Cu2(OH)3Cl powder can be recycled.
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Received: 2004-12-28
Accepted: 2005-05-13
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Corresponding Authors:
DENG Fan-zheng
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| Cite this article: |
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DENG Fan-zheng,ZHU Ai-xia,YANG Rui. Study on Preparation of CuO/Cu2(OH)3Cl Powder and Its Spectrum Behavior for Photodegradation Decoloration of Dyes[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(02): 299-301.
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https://www.gpxygpfx.com/EN/Y2006/V26/I02/299 |
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