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Emission characteristics of Cd, Pb and Mn from coal combustion: Field study at coal-fired power plants in China
Alternative TitleFuel Process. Technol.
Deng, Shuang1,2; Shi, Yingjie2; Liu, Yu2; Zhang, Chen2; Wang, Xiangfeng2; Cao, Qing2; Li, Songgeng3; Zhang, Fan2
2014-10-01
Source PublicationFUEL PROCESSING TECHNOLOGY
ISSN0378-3820
Volume126Issue:10mPages:469-475
AbstractA full-scale field study of cadmium (Cd), lead (Pb) and manganese (Mn) emissions from coal combustion was carried out at six coal-fired power plants in China. Simultaneous sampling of coal, bottom and fly ashes, flue gas, and the byproducts from wet FGD process was performed. The formation of particulate bound Pb in flue gas was strongly affected by chlorine content in coal, ratio of trace metal content to ash content in coal and loss-on-ignition of fly ash. However, these factors had no significant effect on formation of particulate bound Cd and Mn in flue gas. Release rates and enrichment factors of the metals were calculated for comparison. Mass balances of the trace metals in the tested power plants were carried out. It was found out that Pb has the highest release rate among the trace metals. Most of the trace metals entered into bottom and fly ashes in the combustion process. Pb was enriched more in fly ash relative to Cd and Mn. The existing air pollution control devices at the power plants were able to remove most of the metals in the flue gas. Emission factors of Pb, Cd and Mn were calculated for each tested power plant. (C) 2014 Elsevier B.V. All rights reserved.; A full-scale field study of cadmium (Cd), lead (Pb) and manganese (Mn) emissions from coal combustion was carried out at six coal-fired power plants in China. Simultaneous sampling of coal, bottom and fly ashes, flue gas, and the byproducts from wet FGD process was performed. The formation of particulate bound Pb in flue gas was strongly affected by chlorine content in coal, ratio of trace metal content to ash content in coal and loss-on-ignition of fly ash. However, these factors had no significant effect on formation of particulate bound Cd and Mn in flue gas. Release rates and enrichment factors of the metals were calculated for comparison. Mass balances of the trace metals in the tested power plants were carried out. It was found out that Pb has the highest release rate among the trace metals. Most of the trace metals entered into bottom and fly ashes in the combustion process. Pb was enriched more in fly ash relative to Cd and Mn. The existing air pollution control devices at the power plants were able to remove most of the metals in the flue gas. Emission factors of Pb, Cd and Mn were calculated for each tested power plant. (C) 2014 Elsevier B.V. All rights reserved.
KeywordTrace Elements Emission Characteristics Coal Combustion Power Plant
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.fuproc.2014.06.009
URL查看原文
Indexed BySCI
Language英语
WOS KeywordFLUE-GAS DESULFURIZATION ; ATMOSPHERIC EMISSIONS ; SPECIATION ; ELEMENTS ; CADMIUM ; METALS ; SE ; HG ; CR
WOS Research AreaChemistry ; Energy & Fuels ; Engineering
WOS SubjectChemistry, Applied ; Energy & Fuels ; Engineering, Chemical
WOS IDWOS:000340329600053
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Cited Times:38[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/11362
Collection研究所(批量导入)
Affiliation1.State Key Lab Environm Criteria & Risk Assessment, Beijing 100012, Peoples R China
2.Chinese Res Inst Environm Sci, Beijing 100012, Peoples R China
3.Chinese Res Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Deng, Shuang,Shi, Yingjie,Liu, Yu,et al. Emission characteristics of Cd, Pb and Mn from coal combustion: Field study at coal-fired power plants in China[J]. FUEL PROCESSING TECHNOLOGY,2014,126(10m):469-475.
APA Deng, Shuang.,Shi, Yingjie.,Liu, Yu.,Zhang, Chen.,Wang, Xiangfeng.,...&Zhang, Fan.(2014).Emission characteristics of Cd, Pb and Mn from coal combustion: Field study at coal-fired power plants in China.FUEL PROCESSING TECHNOLOGY,126(10m),469-475.
MLA Deng, Shuang,et al."Emission characteristics of Cd, Pb and Mn from coal combustion: Field study at coal-fired power plants in China".FUEL PROCESSING TECHNOLOGY 126.10m(2014):469-475.
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