IEECAS OpenIR  > 黄土与第四纪地质国家重点实验室(2010~)
Transformation behavior of mineral composition and trace elements during coal gangue combustion
Zhou, CC (Zhou, Chuncai)[1,2]; Liu, GJ (Liu, Guijian)[1,2]; Yan, ZC (Yan, Zhicao)[1]; Fang, T (Fang, Ting)[1]; Wang, RW (Wang, Ruwei)[1]
2012-07-01
Source PublicationFUEL
Volume97Pages:644-650
Subtype期刊论文
Abstract

The transformation behavior of mineral and trace elements during combustion of Chinese coal gangue at varies temperatures were studied. The coal gangue sample was placed at muffle roaster and heated up to 8-desired temperature points, from 500 degrees C to 1200 degrees C with 100 degrees C for each interval. The mineral compositions of coal gangue and its combustion ash were determined by X-ray powder diffraction techniques (XRD). FTIR spectroscopy analysis was taken to determine coal gangue and combustion ash functional group, phase transition characteristics and the variation in combustion. The concentration of trace element in coal gangue and combustion ash was analyzed by inductively coupled plasma mass spectrometry (ICP-MS). Results show that the transformation behavior of mineral phase of coal gangue mainly relies on the combustion temperature. The volatilize ratios of selected trace elements increase with increasing combustion temperature. Besides, 10 trace elements studied in the current study can be classified into two categories according to their volatilize tendencies: (a) Ni, Cu, Zn, Cd, Sn, Pb and As were vaporized at intermediate temperature and have high volatilize ratio; (b) V, Cr, and Co were relative non-volatile.

KeywordCoal Gangue Mineral Composition Trace Elements Combustion Transformation Behavior
Indexed BySCI ; EI
Language英语
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/10179
Collection黄土与第四纪地质国家重点实验室(2010~)
Corresponding AuthorLiu, GJ (Liu, Guijian)[1,2]
Affiliation1.CAS Key Laboratory of Crust–Mantle Materials and Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui 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
Recommended Citation
GB/T 7714
Zhou, CC ,Liu, GJ ,Yan, ZC ,et al. Transformation behavior of mineral composition and trace elements during coal gangue combustion[J]. FUEL,2012,97:644-650.
APA Zhou, CC ,Liu, GJ ,Yan, ZC ,Fang, T ,&Wang, RW .(2012).Transformation behavior of mineral composition and trace elements during coal gangue combustion.FUEL,97,644-650.
MLA Zhou, CC ,et al."Transformation behavior of mineral composition and trace elements during coal gangue combustion".FUEL 97(2012):644-650.
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