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Fischer Tropsch synthesis from H-2-deficient biosyngas over Mn added Co/SiO2 catalysts
Li, Yuping1; Qin, Xinxin1; Wang, Tiejun1; Ma, Longlong1; Chen, Lungang1; Tsubaki, Noritatsu2
2014-11-15
Source PublicationFUEL
Volume136Pages:130-135
AbstractCo/SiO2 catalysts with 0.4-7.0 wt.% of Mn addition were prepared and evaluated for Fischer-Tropsch synthesis (FTS), using H-2-deficient biosyngas (H-2/CO/CO2/N-2 = 45/45/7/3, vol%) as feed gas. 0.8 wt.% of Mn addition to Co/SiO2 increased Co dispersion and weakened Co-Si interaction on Co-(0.8%) Mn/SiO2 catalyst. Co reducibility was improved to 32.1% and 79.3% at 150-400 degrees C and 150-750 degrees C respectively by H-2-temperature programmed reduction (TPR), which resulted in CO conversion of 52.6% and C5+ yield of 43.6% at 24 h time on stream when H-2-deficient biosyngas was used as feed gas for FTS. Co was further dispersed with low reducibility at higher Mn addition amount, which decreased CO conversion and favored gaseous hydrocarbon synthesis over Co-(2.0%) Mn/SiO2 and Co-(7.0%) Mn/SiO2. The higher H-2/CO usage ratio was obtained over Co/SiO2 using H-2-deficient biosyngas, compared with that using feed gas with H-2/CO ratio of 2.0 over the same catalyst. The existence of small amount of CO2 (like 7.0 vol%) in biosyngas might be the main reason to inhibit water gas shift reaction and impel CO2 conversion. (C) 2014 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordFischer Tropsch Synthesis H-2-deficient Biosyngas Co/sio2 Mn Addition
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.fuel.2014.06.048
WOS Subject ExtendedEnergy & Fuels ; Engineering
WOS KeywordMANGANESE OXIDE ; SYNGAS ; CO2 ; HYDROCARBONS ; PROMOTER ; CO/GAMMA-AL2O3 ; HYDROGENATION ; DEACTIVATION ; SELECTIVITY ; CONVERSION
Indexed BySCI
Language英语
WOS SubjectEnergy & Fuels ; Engineering, Chemical
WOS IDWOS:000341302300015
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10698
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, CAS Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
2.Toyama Univ, Sch Engn, Dept Appl Chem, Toyama 9308555, Japan
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Li, Yuping,Qin, Xinxin,Wang, Tiejun,et al. Fischer Tropsch synthesis from H-2-deficient biosyngas over Mn added Co/SiO2 catalysts[J]. FUEL,2014,136:130-135.
APA Li, Yuping,Qin, Xinxin,Wang, Tiejun,Ma, Longlong,Chen, Lungang,&Tsubaki, Noritatsu.(2014).Fischer Tropsch synthesis from H-2-deficient biosyngas over Mn added Co/SiO2 catalysts.FUEL,136,130-135.
MLA Li, Yuping,et al."Fischer Tropsch synthesis from H-2-deficient biosyngas over Mn added Co/SiO2 catalysts".FUEL 136(2014):130-135.
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