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Catalytic Effects of CeO2/Fe2O3 and Inherent Mineral Matter on Anthracite Combustion Reactions and Its Kinetic Analysis
Gong, Xuzhong1,2; Zhang, Shu3
2017-11-01
发表期刊ENERGY & FUELS
ISSN0887-0624
卷号31期号:11页码:12867-12874
摘要

Effects of external and internal catalysts on anthracite combustion reactivity and kinetics were investigated using the method of differential thermal analysis (DTA). It was found that the combustion reactivity of both raw and demineralized anthracites was all apparently improved by the introduction of CeO2 and Fe2O3. When CeO2 and Fe2O3 were used in raw anthracite, the combustion starting time from the DTA curve was advanced from 1470 to 1312 and 1325 s, respectively, as compared to the improvements from 1285 to 1089 and 1055 s while adding the same amounts of CeO2 and Fe2O3 into demineralized anthracite. The addition of catalysts has increased the combustion rate for raw anthracite much more significantly than that for demineralized anthracite. Reformed differential thermal analysis (RDTA, change the reference material from Al2O3 to raw anthracite) showed a direct effect of catalysts on its combustion, which broadly agreed with the results of the DTA study. The inherent mineral matter at high contents could potentially prevent the catalytic activity of CeO2. The kinetic study has demonstrated that the combustion reactions of all samples could see the two-stage scheme phenomena with different values of apparent activation energy and different fitting models. The addition of CeO2 and Fe2O3 has reduced the activation energy for demineralized anthracite more than that for raw anthracite.

文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1021/acs.energyfuels.7b02568
收录类别SCI
语种英语
关键词[WOS]Differential Thermal Analysis ; Zonguldak Bituminous Coal ; High Ash Coal ; Pulverized Coal ; Ignition Temperature ; Co2 Gasification ; Char Combustion ; Injection Pci ; Tg-dta ; Carbon
WOS研究方向Energy & Fuels ; Engineering
WOS类目Energy & Fuels ; Engineering, Chemical
项目资助者National Natural Science Foundation of China(U1610101)
WOS记录号WOS:000416204800137
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/23513
专题研究所(批量导入)
通讯作者Zhang, Shu
作者单位1.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Nanjing Forestry Univ, Coll Mat Sci & Engn, Nanjing 210037, Jiangsu, Peoples R China
推荐引用方式
GB/T 7714
Gong, Xuzhong,Zhang, Shu. Catalytic Effects of CeO2/Fe2O3 and Inherent Mineral Matter on Anthracite Combustion Reactions and Its Kinetic Analysis[J]. ENERGY & FUELS,2017,31(11):12867-12874.
APA Gong, Xuzhong,&Zhang, Shu.(2017).Catalytic Effects of CeO2/Fe2O3 and Inherent Mineral Matter on Anthracite Combustion Reactions and Its Kinetic Analysis.ENERGY & FUELS,31(11),12867-12874.
MLA Gong, Xuzhong,et al."Catalytic Effects of CeO2/Fe2O3 and Inherent Mineral Matter on Anthracite Combustion Reactions and Its Kinetic Analysis".ENERGY & FUELS 31.11(2017):12867-12874.
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