IEECAS OpenIR  > 黄土与第四纪地质国家重点实验室(2010~)
Distribution of trace elements in feed coal and combustion residues from two coal-fired power plants at Huainan, Anhui, China
Tang, Q (Tang, Quan)[ 1,2,3 ]; Liu, GJ (Liu, Guijian)[ 1,2,3 ]; Zhou, CC (Zhou, Chuncai)[ 1,3 ]; Sun, RY (Sun, Ruoyu)[ 1 ]
2013-05-01
Source PublicationFUEL
Volume107Pages:315-322
Subtype期刊论文
Abstract

The rapid expansion of coal-fired power plants (CFPPs) in China has produced huge volume of toxic elements associated combustion residues, which pose great threat to local environment. In this study, feed coal, fly ash, bottom ash and FGD gypsum samples were collected from two different CFPPs at Huainan, Anhui, China. Feed coal and combustion residues were morphologically and mineralogically characterized by scanning electron microscopy equipped with energy-dispersive microanalyser and X-ray diffraction. Concentrations of thirteen major and trace elements in these samples were determined by inductively coupled plasma atomic emission spectrometry (B, Ti, Mn, Ni and Zn), inductively coupled plasma mass spectrometry (Cd, Co, Cr, Cu, Pb, Sn and V) and atomic fluorescence spectroscopy (As). The results show that most of the trace elements were concentrated in the fly ash, only Fe and Mn were enriched in the bottom ash. The diameters of ash particles removed by the electrostatic precipitator were in an inverse relationship with the enrichment factors of most trace elements. To address possible exposure of combustion residues in the environment, laboratory controlled leaching tests were carried out on fly ash and gypsum to understand the environmental behaviors of these elements. Both fly ash and gypsum were identified as not-hazardous wastes.

KeywordCoal Trace Elements Fly Ash Bottom Ash Coal-fired Power Plants
DOI10.1016/j.fuel.2013.01.009
Indexed BySCI ; EI
Language英语
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Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/9995
Collection黄土与第四纪地质国家重点实验室(2010~)
Corresponding AuthorLiu, GJ (Liu, Guijian)[ 1,2,3 ]
Affiliation1.CAS Key Laboratory of Crust-Mantle Materials and the Environments, School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026, China;
2.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, The Chinese Academy of Sciences, Xi’an, Shaanxi 710075, China;
3.University of Science and Technology of China - City University of Hong Kong Joint Advanced Research Center, Suzhou, Jiangsu 215123, China
Recommended Citation
GB/T 7714
Tang, Q ,Liu, GJ ,Zhou, CC ,et al. Distribution of trace elements in feed coal and combustion residues from two coal-fired power plants at Huainan, Anhui, China[J]. FUEL,2013,107:315-322.
APA Tang, Q ,Liu, GJ ,Zhou, CC ,&Sun, RY .(2013).Distribution of trace elements in feed coal and combustion residues from two coal-fired power plants at Huainan, Anhui, China.FUEL,107,315-322.
MLA Tang, Q ,et al."Distribution of trace elements in feed coal and combustion residues from two coal-fired power plants at Huainan, Anhui, China".FUEL 107(2013):315-322.
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