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Combustion characteristics and kinetics of partial gasified coal char
Xiang, Y. H.1; Guo, R. X.2; Li, H. B.1; Wang, Y.3
2008
Source PublicationENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS
Volume30Issue:2Pages:110-118
AbstractCombustion characteristics and kinetics of partial gasified coal char (PGC-char) were investigated in this article. Two-stage distributed activation energy model (TS-DAEM) and simple model were used to model the combustion kinetics. The experimental results showed that the combustion characteristics of PGC-chars varied with coal types and percentage of gasification. Modeling results showed that TS-DAEM could suitably describe the combustion of PGC-char. The activation energy and preexponential factor increased with the increasing of PGC-char gasification percentage, but the percent of high reactivity part decreased. This indicated that the difficulty reactive part in the partial gasified coal char became more and more with the gasification conversion. However, simple model wasn't fit to describe the combustion of PGC-char, especially for PGC-chars with obvious second peak in combustion DTG curves.
SubtypeArticle
KeywordCoal Char Combustion Characteristics Combustion Kinetics
WOS HeadingsScience & Technology ; Technology ; Life Sciences & Biomedicine
DOI10.1080/00908310600626804
WOS Subject ExtendedEnergy & Fuels ; Engineering ; Environmental Sciences & Ecology
WOS KeywordACTIVATION-ENERGY MODEL ; DEVOLATILIZATION ; PYROLYSIS ; K(0)(E) ; F(E)
Indexed BySCI
Language英语
WOS SubjectEnergy & Fuels ; Engineering, Chemical ; Environmental Sciences
WOS IDWOS:000251676500003
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10297
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
2.Shenzhen Environm Engn Consulting Serv Ctr, Environm Prorect Bur Shenzhen Municipal, Shenzhen, Peoples R China
3.Chinese Acad Sci, Inst Coal Chem, Taiyuan, Peoples R China
Recommended Citation
GB/T 7714
Xiang, Y. H.,Guo, R. X.,Li, H. B.,et al. Combustion characteristics and kinetics of partial gasified coal char[J]. ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS,2008,30(2):110-118.
APA Xiang, Y. H.,Guo, R. X.,Li, H. B.,&Wang, Y..(2008).Combustion characteristics and kinetics of partial gasified coal char.ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS,30(2),110-118.
MLA Xiang, Y. H.,et al."Combustion characteristics and kinetics of partial gasified coal char".ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS 30.2(2008):110-118.
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