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Promotional effects of Mn on SiO2-encapsulated iron-based spindles for catalytic production of liquid hydrocarbons
Zhang, Yulan1; Wang, Tiejun2; Ma, Longlong2; Shi, Ning1; Zhou, Dengfeng1; Li, Xinjun2
2017-06-01
Source PublicationJOURNAL OF CATALYSIS
Volume350Pages:41-47
AbstractFischer-Tropsch synthesis (FTS) is a key technology for the production of liquid fuels from syngas. Enhanced liquid fuel production and catalytic stability can be achieved by rational design of catalysts Due to the metal-promoter interaction, conventional Mn-modified ion-based catalysts showed high C-2 through C-4 olefin selectivity and low activity. In this paper, Mn-containing SiO2-encapsulated ion based double-shell spindles were fabricated and employed as a FTS catalyst. For the proposed design, the SiO2 shell not only is employed as an interlayer to weaken the contact between Fe and the Mn promoter, but also acted as the anchoring site for Mn nanoparticles. The results showed that the Mn-modified FeSiMn catalyst presents higher catalytic activity (3.41 x 10(-5) mol(co) g(Fe)(-1) s(-1)) and superior C5+, production (20.8 x 10(-4) g(HC) g(Fe)(-1) s-1) compared to the unmodified FeSi catalyst. This can be ascribed to the Mn-improved spillover effect. Thus, design of double-shell catalysts provides important clues for understanding the sole effect of the promoter on catalytic performance and for improving the production of liquid fuels. (C) 2017 Elsevier Inc. All rights reserved.
SubtypeArticle
KeywordFischer-tropsch Synthesis Iron-based Catalyst Mn Promoter Double-shell Catalyst C5++ Production
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.jcat.2017.02.019
WOS Subject ExtendedChemistry ; Engineering
WOS KeywordFISCHER-TROPSCH SYNTHESIS ; POTASSIUM PROMOTER ; CO ; HYDROGENATION
Indexed BySCI
Language英语
Funding OrganizationNational Key Basic Research Program of China (973 program)(2013CB228105) ; Project of the Key Laboratory of Light Metal Materials Processing of Guizhou Province(Qian Ke He Platform and Talent [2016] 5104) ; Science and Technology Innovation Talents Team of Aero Light Metal Material and Bonding Technique of Guizhou Province(Qian Ke He Talents Team [2015] 4008)
WOS SubjectChemistry, Physical ; Engineering, Chemical
WOS IDWOS:000402351800005
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/14146
Collection中国科学院广州能源研究所
Affiliation1.Guizhou Inst Technol, Key Lab Light Met Mat Proc Technol Guizhou Prov, 1 Caiguan Rd, Guiyang 550003, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, 2 Nengyuan Rd, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Yulan,Wang, Tiejun,Ma, Longlong,et al. Promotional effects of Mn on SiO2-encapsulated iron-based spindles for catalytic production of liquid hydrocarbons[J]. JOURNAL OF CATALYSIS,2017,350:41-47.
APA Zhang, Yulan,Wang, Tiejun,Ma, Longlong,Shi, Ning,Zhou, Dengfeng,&Li, Xinjun.(2017).Promotional effects of Mn on SiO2-encapsulated iron-based spindles for catalytic production of liquid hydrocarbons.JOURNAL OF CATALYSIS,350,41-47.
MLA Zhang, Yulan,et al."Promotional effects of Mn on SiO2-encapsulated iron-based spindles for catalytic production of liquid hydrocarbons".JOURNAL OF CATALYSIS 350(2017):41-47.
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