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Preparation of Nano-Cu2O/Pearl Shell Composites for Treating Organic Dyes
Zou Xiaolan1,2; Yu Yanqing1,2; Li Chaofeng1,2; Zhu Xiaobin1
2011-06-01
发表期刊CHINESE JOURNAL OF CATALYSIS
卷号32期号:6页码:950-956
文章类型Article
摘要Waste pearl shells were activated and used as carriers to prepare a nano-Cu2O/pearl shell composite photocatalyst by in situ hydrolysis. The composites were characterized by X-ray diffraction, X-ray photoelectron spectrometer, scanning electron microscopy, and UV-Vis diffuse reflectance spectrometer. Reactive red dye B-3G solutions were used as simulate wastewater to investigate the photocatalytic performance under visible light irradiation. The loaded Cu2O particles had an average diameter of 16.8 nm, were oval in shape and have absorption bands in the UV and visible region similar to those of pure Cu2O particles. The nano-Cu2O/pearl shell composites had much higher photocatalytic activities than pure Cu2O. Over 98% of the B-3G solutes were decolorized by these composites under the conditions of pH = 6.0-12.0, reaction time = 90 min, and B-3G concentration <= 220 mg/L. The photocatalytic decolorization of B-3G followed pseudo-first order kinetics. The formation mechanism of the nano-Cu2O/pearl shell composites was studied by Fourier transform infrared spectroscopy. It involved the interaction and combination of Cu2O and CaO.
关键词Pearl Shells In Situ Hydrolysis Nano-cu2o Photocatalysis Dye B-3g
DOI10.1016/S1872-2067(10)60231-8
收录类别SCI
语种英语
WOS记录号WOS:000292429000009
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/32927
专题海洋生物技术研发中心
作者单位1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Shandong, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
第一作者单位中国科学院海洋研究所
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Zou Xiaolan,Yu Yanqing,Li Chaofeng,et al. Preparation of Nano-Cu2O/Pearl Shell Composites for Treating Organic Dyes[J]. CHINESE JOURNAL OF CATALYSIS,2011,32(6):950-956.
APA Zou Xiaolan,Yu Yanqing,Li Chaofeng,&Zhu Xiaobin.(2011).Preparation of Nano-Cu2O/Pearl Shell Composites for Treating Organic Dyes.CHINESE JOURNAL OF CATALYSIS,32(6),950-956.
MLA Zou Xiaolan,et al."Preparation of Nano-Cu2O/Pearl Shell Composites for Treating Organic Dyes".CHINESE JOURNAL OF CATALYSIS 32.6(2011):950-956.
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