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MnO2 coated Fe2O3 spindles designed for production of C5+ hydrocarbons in Fischer-Tropsch synthesis
Zhang, Yulan1,2; Ma, Longlong1; Wang, Tiejun1; Li, Xinjun1
2016-08-01
Source PublicationFUEL
Volume177Pages:197-205
AbstractManganese served as promoter for the Fe-based catalysts has been considered to have great potential in Fischer-Tropsch (FT) synthesis. However, many previous researchers mainly focus on the enhancement of lower olefins, primarily because the previous reported Fe-Mn spinel oxide hindered its wide applications. In this article, Fe2O3@MnO2 spindles were fabricated by coverage of hematite with MnO2 via a hydrothermal reaction and applied in FT synthesis reaction. Different from the conventional Fe-Mn catalysts, the synthesized core-shell catalysts exhibited enhanced catalytic performance, especially in C5+ hydrocarbons selectivity. It demonstrated that Mn promoter could accelerate the dissociation of CO and thus enhanced the concentration of active intermediates for chain growth. Compared with the pure Fe2O3 (Mn-free) catalyst, the selectivity toward C5+ hydrocarbons over Fe2O3@MnO2 (Mn-9) catalyst was increased from 44.6 to 66.6 wt%. Meanwhile, the undesired CH4 was decreased from 16.8 to 8.9 wt%. (C) 2016 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordFischer-tropsch Synthesis Mn Promoter Fe-based Catalyst C5++ Hydrocarbon
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.fuel.2016.03.023
WOS Subject ExtendedEnergy & Fuels ; Engineering
WOS KeywordONE-POT SYNTHESIS ; CATALYTIC PERFORMANCE ; CARBON NANOTUBES ; CO HYDROGENATION ; IRON CATALYSTS ; MANGANESE ; SUPPORT ; NANOPARTICLES ; SELECTIVITY ; MORPHOLOGY
Indexed BySCI
Language英语
WOS SubjectEnergy & Fuels ; Engineering, Chemical
WOS IDWOS:000373061800023
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/11205
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zhang, Yulan,Ma, Longlong,Wang, Tiejun,et al. MnO2 coated Fe2O3 spindles designed for production of C5+ hydrocarbons in Fischer-Tropsch synthesis[J]. FUEL,2016,177:197-205.
APA Zhang, Yulan,Ma, Longlong,Wang, Tiejun,&Li, Xinjun.(2016).MnO2 coated Fe2O3 spindles designed for production of C5+ hydrocarbons in Fischer-Tropsch synthesis.FUEL,177,197-205.
MLA Zhang, Yulan,et al."MnO2 coated Fe2O3 spindles designed for production of C5+ hydrocarbons in Fischer-Tropsch synthesis".FUEL 177(2016):197-205.
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