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Direct promotion effect of Fe on no reduction by activated carbon loaded with Fe species
Xiao, Jianbai1; Xu, Qiuxia2; Xu, Qiang1; Jiang, Wei1; Zhang, Jianbin3; Wei, Xionghui1
2016-04-01
发表期刊JOURNAL OF CHEMICAL THERMODYNAMICS
ISSN0021-9614
卷号95期号:APR页码:216-230
摘要Activated carbon materials loaded with Fe species were prepared via an impregnation method and studied. Various analyses showed good dispersion of Fe species on the activated carbon surface when the loading amount did not exceed 2 g of iron(III) nitrate nonahydrate on 10 g of activated carbon. Additionally, the simultaneously existing forms of Fe species on the activated samples were found to be Fe3O4, FeO, and elemental Fe(0). NO reduction experiments under anaerobic conditions showed that the loading of Fe species enhanced the NO reducing ability from an NO conversion of (28 to 86)% at 850 degrees C, which is a more remarkable influence on NO reduction than that of the well-known C-O complexes. Thermodynamic analysis and detailed experimental results led to a new mechanism with two independent routes, both of which require Fe participation and proceed at temperatures below and above 800 degrees C, respectively, and generate different COx products. Furthermore, one of the routes was more efficient in reducing NO than the other. This mechanism explained the experiments much better than the existing C-O theory of complexes. (C) 2015 Elsevier Ltd. All rights reserved.
关键词No Reduction Activated Carbon Fe Species Thermodynamics Analysis Surface Complexes
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1016/j.jct.2015.12.003
收录类别SCI
语种英语
关键词[WOS]SELECTIVE CATALYTIC-REDUCTION ; GROUP METAL-CATALYSTS ; LEAN-BURN CONDITIONS ; NITRIC-OXIDE ; NITROGEN-OXIDES ; FLUE-GAS ; TEMPERATURE ; OXYGEN ; CHAR ; COMBUSTION
WOS研究方向Thermodynamics ; Chemistry
WOS类目Thermodynamics ; Chemistry, Physical
项目资助者BoyuanHengsheng High-Technology Co., Ltd., Beijing, China
WOS记录号WOS:000368762600027
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/20600
专题多相复杂系统国家重点实验室
作者单位1.Peking Univ, Dept Appl Chem, Coll Chem & Mol Engn, Beijing 100871, Peoples R China
2.Chinese Acad Sci, Beijing Key Lab Ion Liquids Clean Proc, State Key Lab Multiphase Complex Syst, Key Lab Green Proc & Engn,Inst Proc Engn, Beijing 100190, Peoples R China
3.Inner Mongolia Univ Technol, Coll Chem Engn, Hohhot 010051, Peoples R China
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Xiao, Jianbai,Xu, Qiuxia,Xu, Qiang,et al. Direct promotion effect of Fe on no reduction by activated carbon loaded with Fe species[J]. JOURNAL OF CHEMICAL THERMODYNAMICS,2016,95(APR):216-230.
APA Xiao, Jianbai,Xu, Qiuxia,Xu, Qiang,Jiang, Wei,Zhang, Jianbin,&Wei, Xionghui.(2016).Direct promotion effect of Fe on no reduction by activated carbon loaded with Fe species.JOURNAL OF CHEMICAL THERMODYNAMICS,95(APR),216-230.
MLA Xiao, Jianbai,et al."Direct promotion effect of Fe on no reduction by activated carbon loaded with Fe species".JOURNAL OF CHEMICAL THERMODYNAMICS 95.APR(2016):216-230.
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