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Influence of variation in the operating conditions on PCDD/F distribution in a full-scale MSW incinerator
Zhang, Hai-Jun; Ni, Yu-Wen; Chen, Ji-Ping; Zhang, Qing; Chen JP(陈吉平); Chen JP(陈吉平)
关键词Waste Incineration Pcdd/f Temperature O-2 Content Homologue Pattern Isomer Pattern
刊名CHEMOSPHERE
2008
DOI10.1016/j.chemosphere.2007.06.054
70期:4页:721-730
收录类别SCI
文章类型Article
部门归属1
项目归属103
产权排名1;1
WOS标题词Science & Technology ; Life Sciences & Biomedicine
类目[WOS]Environmental Sciences
研究领域[WOS]Environmental Sciences & Ecology
关键词[WOS]DIBENZO-P-DIOXINS ; DE-NOVO SYNTHESIS ; MUNICIPAL WASTE INCINERATION ; FLUIDIZED-BED INCINERATOR ; FLY-ASH ; COMBUSTION CONDITIONS ; POLYCHLORINATED DIBENZOFURANS ; FLUE-GAS ; MECHANISM ; EMISSIONS
英文摘要Optimizing the operating parameters to minimize polychlorodibenzo-p-dioxins and polychlorodibenzofurans (PCDD/F) emission is the common interest of the municipal solid waste (MSW) incineration industry. In this study, we investigated the distribution of tetra- to octa-CDD/F along the flue gas line in a full-scale reciprocating grate incinerator and evaluated the effects of temperature control and O-2 level on PCDD/F formation. Six runs were laid out and all performed under sufficient burning conditions, in which the combustion efficiency of MSW was more than 99.9%. The total concentration of tetra- to octa-CDD/F measured at the boiler outlet showed an increasing tendency with the increase of boiler outlet temperature (TB) from 214 degrees C to 264 degrees C. When flue gas ran across the semi-dry scrubber and cyclone precipitator, in which the temperature varied from 264 degrees C to 162 degrees C, the concentrations of the lower chlorinated dioxins and furans were significantly raised, especially for the TCDF. Increasing 02 supply from 6.0% to 10.5% essentially led to a higher yield of tetra- to octa-PCDD/F, suggested that under sufficient burning conditions the lower O-2 level was favorable for reducing PCDD/F formation and emission. The variation of O-2 level did not give rise to a systematical change of PCDD/F homologue pattern. For all measurements, the isomer distributions of tetra- to hepta-PCDD/F were more or less the same, nearly independent of variations in the operating conditions and sampling positions. Only the significant increase of the sum of 1,3,7,8-TCDF and 1,3,7,9-TCDF was found in the zone after the boiler section. (c) 2007 Elsevier Ltd. All rights reserved.
语种英语
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WOS记录号WOS:000253254600020
引用统计
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/321008/99329
专题中国科学院大连化学物理研究所
通讯作者Chen JP(陈吉平); Chen JP(陈吉平)
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
推荐引用方式
GB/T 7714
Zhang, Hai-Jun,Ni, Yu-Wen,Chen, Ji-Ping,et al. Influence of variation in the operating conditions on PCDD/F distribution in a full-scale MSW incinerator[J]. CHEMOSPHERE,2008,70(4):721-730.
APA Zhang, Hai-Jun,Ni, Yu-Wen,Chen, Ji-Ping,Zhang, Qing,陈吉平,&陈吉平.(2008).Influence of variation in the operating conditions on PCDD/F distribution in a full-scale MSW incinerator.CHEMOSPHERE,70(4),721-730.
MLA Zhang, Hai-Jun,et al."Influence of variation in the operating conditions on PCDD/F distribution in a full-scale MSW incinerator".CHEMOSPHERE 70.4(2008):721-730.
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