CAS OpenIR  > 中科院上海应用物理研究所2004-2010年
Transformation behaviors of excluded pyrite during O(2)/CO(2) combustion of pulverized coal
Sheng, CD; Lin, J(林俊); Li, Y; Wang, C
2010
Conference Name6th International Symposium on Coal Combustion
Source PublicationASIA-PACIFIC JOURNAL OF CHEMICAL ENGINEERING
Pages304
Conference DateDEC 01-04, 2007
Conference PlaceWuhan, PEOPLES R CHINA
AbstractThe article was addressed to the transformation of excluded pyrite during O(2)/CO(2) combustion of pulverized coal. Raw pyrite mineral was added to a pulverized coal sample, which was density fractionated to remove the excluded minerals, to simulate the excluded pyrite present in coal. The mixed sample was burned in a drop tube furnace in O(2)/CO(2) and O(2)/N(2) conditions to generate the residue ash, which was characterized by Mossbauer spectroscopic and size analyses. It was found that, in comparison with O(2)/N(2) combustion at the same oxygen concentration, slightly less iron glass silicate was formed from excluded pyrite and silicates although the transformation of pyrite to oxides was slowed in O(2)/CO(2) combustion, different from the behaviors of included pyrite in pulverized coal those were observed in previous study. Additionally, less fragmentation of excluded pyrite particles was also observed in O(2)/CO(2) combustion. (C) 2009 Curtin University of Technology and John Wiley & Sons, Ltd.
ISSN1932-2143
Indexed BySCI
Funding Project应物所课题组
Language英语
Document Type会议论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/8917
Collection中科院上海应用物理研究所2004-2010年
Recommended Citation
GB/T 7714
Sheng, CD,Lin, J,Li, Y,et al. Transformation behaviors of excluded pyrite during O(2)/CO(2) combustion of pulverized coal[C],2010:304.
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