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Impacts of SiC Carrier and Nickel Precursor of NiLa/support Catalysts for CO2 Selective Hydrogenation to Synthetic Natural Gas (SNG)
Li, Le1,2; Zheng, Jian3; Liu, Yuefeng4; Wang, Wei1; Huang, Qingsong1; Chu, Wei1,2
KeywordAnti-coking Co2 Hydrogenation Dispersion Nickel Precursor Beta-sic
Source PublicationCHEMISTRYSELECT
2017-05-02
DOI10.1002/slct.201601745
Volume2Pages:3750-3757
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Multidisciplinary
WOS Research AreaChemistry
WOS KeywordFISCHER-TROPSCH SYNTHESIS ; SILICON-CARBIDE ; COBALT CATALYSTS ; CARBON NANOTUBES ; METHANATION ; PERFORMANCE ; SUPPORT ; NI/GAMMA-AL2O3 ; SYNGAS ; TIO2
AbstractThe porous silicon carbide (b-SiC) carrier supported nickellanthanum based catalysts (NiLa/SiC) were synthesized via incipient-wetness impregnation by using two types of nickel salts as the precursor, for the selective hydrogenation of carbon dioxide (CO2 + 4H(2)-> CH4 + 2H(2)O). The alumina supported catalysts were also prepared and tested for comparison. The samples were characterized using TEM, TPR, XRD, SEM, TG-DTG techniques. Compared to the Al2O3 supported catalysts, the SiC supported catalysts were more resistant to sintering and carbon deposition due to the high thermal conductivity of SiC support. The relative weak metal-support interaction on Ni nanoparticles supported on SiC carrier resulted in the easy reduction of active species during the activation process. Meanwhile, the performances of the catalysts prepared from nickel acetate were better than those of using nickel nitrate, while enhanced nickel dispersion and better reducibility of the catalyst from nickel acetate werr evidenced by TEM, TPR and XRD results. Catalytic performances exhibited that Ni-Ac-La/SiC catalyst possessed the higher activity with 89.4% conversion of CO2 and almost 100% selectivity to methane with slight deactivation after 3000 min test under reaction conditions.
Language英语
WOS IDWOS:000401890300023
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/152244
Collection中国科学院大连化学物理研究所
Affiliation1.Sichuan Univ, Sch Chem Engn, Chengdu 610065, Peoples R China
2.Sichuan Univ, Inst New Energy & Low carbon Technol, Chengdu 610065, Sichuan, Peoples R China
3.Southwest Univ Sci & Technol, State Key Lab Cultivat Base Nonmet Composites & F, Mianyang 621010, Peoples R China
4.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy DNL, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Li, Le,Zheng, Jian,Liu, Yuefeng,et al. Impacts of SiC Carrier and Nickel Precursor of NiLa/support Catalysts for CO2 Selective Hydrogenation to Synthetic Natural Gas (SNG)[J]. CHEMISTRYSELECT,2017,2:3750-3757.
APA Li, Le,Zheng, Jian,Liu, Yuefeng,Wang, Wei,Huang, Qingsong,&Chu, Wei.(2017).Impacts of SiC Carrier and Nickel Precursor of NiLa/support Catalysts for CO2 Selective Hydrogenation to Synthetic Natural Gas (SNG).CHEMISTRYSELECT,2,3750-3757.
MLA Li, Le,et al."Impacts of SiC Carrier and Nickel Precursor of NiLa/support Catalysts for CO2 Selective Hydrogenation to Synthetic Natural Gas (SNG)".CHEMISTRYSELECT 2(2017):3750-3757.
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