超声浸渍法对CuO/CeO2/γ-Al2O3催化剂催化燃烧挥发性有机化合物性能的影响

GUO Jianguang; LI Zhong; XI Hongxia; XIA Qibin

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超声浸渍法对CuO/CeO₂/γ-Al₂O₃催化剂催化燃烧挥发性有机化合物性能的影响

更新时间：2025-12-10

- 超声浸渍法对CuO/CeO₂/γ-Al₂O₃催化剂催化燃烧挥发性有机化合物性能的影响
- CIESC Journal Issue 4, (2006)
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- Online First：25 April 2006，
  
  Published：25 April 2006
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GUO Jianguang, LI Zhong, XI Hongxia, et al. 超声浸渍法对CuO/CeO₂/γ-Al₂O₃催化剂催化燃烧挥发性有机化合物性能的影响[J]. CIESC Journal, 2006, (4).
DOI：

GUO Jianguang, LI Zhong, XI Hongxia, et al. 超声浸渍法对CuO/CeO₂/γ-Al₂O₃催化剂催化燃烧挥发性有机化合物性能的影响[J]. CIESC Journal, 2006, (4). DOI：

摘要

Abstract

CuO/CeO2/γ-Al2O3 catalysts were prepared by both an ultrasound-assisted impregnation method and by a conventional impregnation method. The catalytic combustion of two volatile organic compounds (VOCs)

toluene and benzene

was carried out by using these CuO/CeO2/γ-Al2O3 catalysts. The surface properties of these catalysts were characterized with X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). The experimental results showed that the ignition temperature and total conversion temperature of the VOCs on the CuO/CeO2/γ-Al2O3 catalysts prepared by ultrasound-assisted impregnation were much lower than those on the CuO/CeO2/γ-Al2O3 catalysts prepared by conventional impregnation

and the activity of the CuO/CeO2/γ-Al2O3 catalysts prepared by ultrasound-assisted impregnation was much higher than that of the CuO/CeO2/γ-Al2O3 catalysts prepared by conventional impregnation. XRD results showed that the use of ultrasound improved the dispersion of Cu ions on the surface of the CuO/CeO2/γ-Al2O3 catalysts.XPS results indicated that the use of ultrasound promoted the distribution of active components on the surface of the CuO/CeO2/γ-Al2O3 catalysts and increased the Cu+ content on the surface of the catalysts so that the activity of the catalysts for VOCs combustion can be enhanced.

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