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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
Source PublicationJOURNAL OF CHEMICAL THERMODYNAMICS
ISSN0021-9614
Volume95Issue:APRPages:216-230
AbstractActivated 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.
KeywordNo Reduction Activated Carbon Fe Species Thermodynamics Analysis Surface Complexes
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/j.jct.2015.12.003
Indexed BySCI
Language英语
WOS KeywordSELECTIVE CATALYTIC-REDUCTION ; GROUP METAL-CATALYSTS ; LEAN-BURN CONDITIONS ; NITRIC-OXIDE ; NITROGEN-OXIDES ; FLUE-GAS ; TEMPERATURE ; OXYGEN ; CHAR ; COMBUSTION
WOS Research AreaThermodynamics ; Chemistry
WOS SubjectThermodynamics ; Chemistry, Physical
Funding OrganizationBoyuanHengsheng High-Technology Co., Ltd., Beijing, China
WOS IDWOS:000368762600027
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/20600
Collection多相复杂系统国家重点实验室
Affiliation1.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
Recommended Citation
GB/T 7714
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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