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题名: Dechlorination of dioxins with Pd/C in ethanol-water solution under mild conditions
作者: Zhang, Feng1;  Chen, Jiping1;  Zhang, Haijun1;  Ni, Yuwen1;  Zhang, Qing1;  Liang, Xinmiao1
关键词: hydrodechlorination ;  Pd/C catalyst ;  dioxins ;  fly ash
刊名: SEPARATION AND PURIFICATION TECHNOLOGY
发表日期: 2008-02-15
DOI: 10.1016/j.seppur.2007.06.016
卷: 59, 期:2, 页:164-168
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Engineering, Chemical
研究领域[WOS]: Engineering
英文摘要: Dechlornations of polychlorinated dibenzo-p-dioxins (PCDDs), polychlorinated dibenzofurans (PCDFs) and coplanar polychlorinated biphenyls (co-PCBs) were carried out in ethanol-water solution of NaOH in the presence of Pd/C catalyst with using of H-2. The dechlorination of octachlorodibenzo-p-furan (OCDF) proceeded with Pd/C under mild conditions (atmospheric pressure and <100 degrees C) to give a chlorine-free product, dibenzo-p-furan (DF), in high yield. After a reaction of 3 h at 50 degrees C, 98.8% of OCDF was degraded and the yield of DF was 85.2%. PCDD/Fs and co-PCBs extract from fly ash of commercial solid-waste incinerator was degraded in this catalytic system at 50 degrees C for 6 h. Pd/C exhibited excellent reaction activity in this catalytic system. In the dechlorination of environmental sample, the concentrations of toxic congeners and TEQ decreased to a promising level. (C) 2007 Elsevier B.V. All rights reserved.
关键词[WOS]: DIBENZO-P-DIOXINS ;  SUPPORTED PALLADIUM CATALYSTS ;  FLY-ASH ;  COPLANAR PCBS ;  HYDRODECHLORINATION ;  DEGRADATION ;  CALCIUM ;  PCDFS ;  PCDDS
语种: 英语
WOS记录号: WOS:000253327400006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141140
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian, Peoples R China

Recommended Citation:
Zhang, Feng,Chen, Jiping,Zhang, Haijun,et al. Dechlorination of dioxins with Pd/C in ethanol-water solution under mild conditions[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2008,59(2):164-168.
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