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VOx promoted Ni catalysts supported on the modified bentonite for CO and CO2 methanation
Lu, Xiaopeng1,2; Gu, Fangna2; Liu, Qing2; Gao, Jiajian2; Liu, Youjun1,2; Li, Huifang2; Jia, Lihua1; Xu, Guangwen2; Zhong, Ziyi3; Su, Fabing2
2015-07-01
Source PublicationFUEL PROCESSING TECHNOLOGY
ISSN0378-3820
Volume135Issue:JULPages:34-46
AbstractNi catalysts supported on the raw bentonite (RB) and the acid-alkali treated bentonite (B), which were prepared by the impregnation method, were tested for methanation of CO2 and CO respectively to produce synthetic natural gas (SNG). XRD, nitrogen adsorption, SEM, TEM, TG, H-2-TPR, and XPS were employed for the characterization of the samples. The results showed that the Ni catalysts supported on the B support were more active than that supported on the RB support because of the improved Ni particles dispersion on the former that had larger specific surface area. After addition of proper amount of the VOx promoter, the catalytic activity of the B supported catalysts was further improved. This could be attributed to the enhanced H-2 uptakes, increased Ni dispersion, reduced Ni nanoparticle size, and the electronic effect of VOx that can promote dissociation of CO in the methanation reaction. In the lifetime test of CO2 and CO methanation under atmospheric pressure, the Ni/B catalysts promoted by the VOx promoter were highly stable as they had superior anti-coking and anti-sintering performance to the catalyst without the promoter. This type of the catalysts is promising for industrial production of SNG. (C) 2014 Elsevier B.V. All rights reserved.
KeywordCo Methanation Co2 Methanation Sng Macro-mesoporous Bentonite Vox
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.fuproc.2014.10.009
Indexed BySCI
Language英语
WOS KeywordSYNTHETIC NATURAL-GAS ; CARBON-DIOXIDE ; NICKEL-CATALYSTS ; NI/AL2O3 CATALYSTS ; OXIDES ; HYDROGENATION ; VANADIUM ; SYNGAS ; PERFORMANCE ; DEPOSITION
WOS Research AreaChemistry ; Energy & Fuels ; Engineering
WOS SubjectChemistry, Applied ; Energy & Fuels ; Engineering, Chemical
WOS IDWOS:000355371100007
Citation statistics
Cited Times:54[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19255
Collection多相复杂系统国家重点实验室
Affiliation1.Qiqihar Univ, Coll Chem & Chem Engn, Qiqihar 161006, Heilongjiang Pr, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
3.ASTAR, Inst Chem Engn & Sci, Singapore 627833, Singapore
Recommended Citation
GB/T 7714
Lu, Xiaopeng,Gu, Fangna,Liu, Qing,et al. VOx promoted Ni catalysts supported on the modified bentonite for CO and CO2 methanation[J]. FUEL PROCESSING TECHNOLOGY,2015,135(JUL):34-46.
APA Lu, Xiaopeng.,Gu, Fangna.,Liu, Qing.,Gao, Jiajian.,Liu, Youjun.,...&Su, Fabing.(2015).VOx promoted Ni catalysts supported on the modified bentonite for CO and CO2 methanation.FUEL PROCESSING TECHNOLOGY,135(JUL),34-46.
MLA Lu, Xiaopeng,et al."VOx promoted Ni catalysts supported on the modified bentonite for CO and CO2 methanation".FUEL PROCESSING TECHNOLOGY 135.JUL(2015):34-46.
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