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Relationship between Iron Phase and Activity of Iron-Based Fischer-Tropsch Synthesis Catalyst
Ding Mingyue1,2; Yang Yong2; Xiang Hongwei2; Li Yongwang2
2010-09-01
Source PublicationCHINESE JOURNAL OF CATALYSIS
Volume31Issue:9Pages:1145-1150
AbstractA typical Fe-based catalyst for Fischer-Tropsch synthesis (FTS) was prepared by a combination method of continuous co-precipitation and spray-drying technology The study was undertaken to investigate the iron phase transformation under different pretreatment conditions and the influence of phase structure on FTS activity of the catalyst in a stirred tank slurry reactor N(2) adsorption-desorption, X-ray diffraction, and Mossbauer effect spectroscopy were used to characterize the catalyst It was found that alpha-Fe(2)O(3) in the fresh catalyst was reduced first to Fe(3)O(4) and then converted to iron carbides (Fe,C) in the syngas atmosphere Increasing the reduction space velocity promoted the reduction and carburization of the catalyst Higher reduction pressure facilitated the reduction of alpha-Fe(2)O(3) to Fe(3)O(4) but suppressed the carburization of magnetite During FTS the catalytic activity decreased gradually with increasing magnetite content and decreasing iron carbide content
SubtypeArticle
KeywordFischer-tropsch Synthesis Iron-based Catalyst Syngas Iron Oxide Iron Carbide
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.3724/SPJ.1088.2010.00139
WOS Subject ExtendedChemistry ; Engineering
WOS KeywordMANGANESE CATALYST ; POTASSIUM ; TRANSFORMATION ; PERFORMANCE ; PROMOTER
Indexed BySCI
Language英语
WOS SubjectChemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
WOS IDWOS:000282671300010
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10327
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Key Lab Renewable Energy & Gas Hydrate, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, State Key Lab Coal Convers, Inst Coal Chem, Taiyuan 030001, Shanxi, Peoples R China
Recommended Citation
GB/T 7714
Ding Mingyue,Yang Yong,Xiang Hongwei,et al. Relationship between Iron Phase and Activity of Iron-Based Fischer-Tropsch Synthesis Catalyst[J]. CHINESE JOURNAL OF CATALYSIS,2010,31(9):1145-1150.
APA Ding Mingyue,Yang Yong,Xiang Hongwei,&Li Yongwang.(2010).Relationship between Iron Phase and Activity of Iron-Based Fischer-Tropsch Synthesis Catalyst.CHINESE JOURNAL OF CATALYSIS,31(9),1145-1150.
MLA Ding Mingyue,et al."Relationship between Iron Phase and Activity of Iron-Based Fischer-Tropsch Synthesis Catalyst".CHINESE JOURNAL OF CATALYSIS 31.9(2010):1145-1150.
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