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Destruction of Polychlorinated Aromatic Compounds by Spinel-Type Complex Oxides
Fan, Yun; Lu, Xianbo; Ni, Yuwen; Zhang, Haijun; Zhao, Liang; Chen, Jiping; Sun, Chenglin
刊名ENVIRONMENTAL SCIENCE & TECHNOLOGY
2010-04-15
DOI10.1021/es9031437
44期:8页:3079-3084
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Technology ; Life Sciences & Biomedicine
类目[WOS]Engineering, Environmental ; Environmental Sciences
研究领域[WOS]Engineering ; Environmental Sciences & Ecology
关键词[WOS]OCTACHLORODIBENZO-P-DIOXIN ; FLY-ASH ; METAL-OXIDES ; CATALYTIC-ACTIVITY ; ORGANIC-COMPOUNDS ; DECHLORINATION ; HYDRODECHLORINATION ; HEXACHLOROBENZENE ; DIBENZOFURANS ; DEGRADATION
英文摘要Destruction of polychlorinated aromatic compounds was carried out over spinel-type catalysts XY(2)O(4) (where X = Mg, Ca, Cu, Ni, Zn, and Y = Al, Fe). The catalysts were characterized by XRD, nitrogen adsorption desorption isotherms and FTIR. The performance of these catalysts toward the decomposition of hexachlorobenzene (HCB) and octachlorodibenzo-p-dioxin (OCDD) was evaluated in a closed system. The spinel-type catalyst with mesoporous structure demonstrated high catalytic activity for the hydrodechlorination of polychlorinated aromatic compounds. Among them, the copper aluminum spinel (CuAl(2)O(4)), specifically calcined at 600 degrees C, exhibited the best activity. More than 85% dechlorination efficiency of HCB and 99% decomposition of polychlorinated dibenzodioxin (PCDD) were achieved at 250 degrees C for 30 min over the above catalyst which was more effective than the corresponding metallic copper and copper oxide catalysts during the thermal degradation of polychlorinated aromatic compounds. The correlation of catalytic performance to structural characteristics is discussed based on the detailed characterization. The simple preparation procedure and reasonable cost of the spinel-type catalysts present a good potential for the thermal treatment of polychlorinated aromatic pollutants at lower temperatures.
语种英语
WOS记录号WOS:000276556000053
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被引频次:24[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/142136
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
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GB/T 7714
Fan, Yun,Lu, Xianbo,Ni, Yuwen,et al. Destruction of Polychlorinated Aromatic Compounds by Spinel-Type Complex Oxides[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2010,44(8):3079-3084.
APA Fan, Yun.,Lu, Xianbo.,Ni, Yuwen.,Zhang, Haijun.,Zhao, Liang.,...&Sun, Chenglin.(2010).Destruction of Polychlorinated Aromatic Compounds by Spinel-Type Complex Oxides.ENVIRONMENTAL SCIENCE & TECHNOLOGY,44(8),3079-3084.
MLA Fan, Yun,et al."Destruction of Polychlorinated Aromatic Compounds by Spinel-Type Complex Oxides".ENVIRONMENTAL SCIENCE & TECHNOLOGY 44.8(2010):3079-3084.
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