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Plasma-assisted catalytic dry reforming of methane (DRM) over metal-organic frameworks (MOFs)-based catalysts
Vakili, Reza1; Gholami, Rahman1; Stere, Cristina E.1; Chansai, Sarayute1; Chen, Huanhao1; Holmes, Stuart M.1; Jiao, Yilai2; Hardacre, Christopher1; Fan, Xiaolei1
Corresponding AuthorFan, Xiaolei(xiaolei.fan@manchester.ac.uk)
2020
Source PublicationAPPLIED CATALYSIS B-ENVIRONMENTAL
ISSN0926-3373
Volume260Pages:11
AbstractPlasma-assisted dry reforming of methane (DRM) was performed in a dielectric barrier discharge (DBD) reactor. The effect of different packing materials including ZrO2, UiO-67 MOF and PtNP@UiO-67 on plasma discharge was investigated, showing that ZrO2 suppressed the plasma generation while UiO-67 improves it due to its porous nature which favours the formation of filamentary microdischarges and surface discharges. The improved plasma discharge increased the conversion of CH4 and CO2 by about 18% and 10%, respectively, compared to the plasma-alone mode. In addition, the distribution of hydrocarbon products changed from dominant C2H6 in the plasma-alone mode to C2H2 and C2H4 in the UiO-67 promoted plasma-assisted DRM. The UiO-67 MOF was stable in plasma, showing no significant changes in its properties under different treatment times, discharge powers and gases. Pt nanoparticles (NPs) on UiO-67 improved plasma-assisted DRM, especially the selectivity due to the presence of surface reactions. Due to the dehydrogenation of hydrocarbons over Pt NPs, the selectivity to hydrocarbons decreased by 30%, compared to the UiO-67 packing. In situ diffuse reflectance infrared Fourier transformed spectroscopy (DRIFTS) was carried out to probe the surface reactions on PtNP@UiO-67 catalyst, showing the decomposition of surface formats to CO and C2H4 dehydrogenation over the metallic Pt. The PtNP@UiO-67 catalyst showed good reusability in the plasma-assisted DRM, and H-2 production was improved by high CH4/CO2 molar ratio and low feed flow rate.
KeywordNon-thermal plasma Catalytic dry reforming of methane Metal-organic frameworks (MOFs) Dielectric barrier discharge (DBD) reactor In situ DRIFTS
Funding OrganizationUniversity of Manchester President's Doctoral Scholar Award ; European Commission Marie Sklodowska-Curie Individual Fellowship
DOI10.1016/j.apcatb.2019.118195
Indexed BySCI
Language英语
Funding ProjectUniversity of Manchester President's Doctoral Scholar Award ; European Commission Marie Sklodowska-Curie Individual Fellowship[748196]
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Physical ; Engineering, Environmental ; Engineering, Chemical
WOS IDWOS:000496894300042
PublisherELSEVIER
Citation statistics
Cited Times:30[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/136878
Collection中国科学院金属研究所
Corresponding AuthorFan, Xiaolei
Affiliation1.Univ Manchester, Sch Chem Engn & Analyt Sci, Oxford Rd, Manchester M13 9PL, Lancs, England
2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Vakili, Reza,Gholami, Rahman,Stere, Cristina E.,et al. Plasma-assisted catalytic dry reforming of methane (DRM) over metal-organic frameworks (MOFs)-based catalysts[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2020,260:11.
APA Vakili, Reza.,Gholami, Rahman.,Stere, Cristina E..,Chansai, Sarayute.,Chen, Huanhao.,...&Fan, Xiaolei.(2020).Plasma-assisted catalytic dry reforming of methane (DRM) over metal-organic frameworks (MOFs)-based catalysts.APPLIED CATALYSIS B-ENVIRONMENTAL,260,11.
MLA Vakili, Reza,et al."Plasma-assisted catalytic dry reforming of methane (DRM) over metal-organic frameworks (MOFs)-based catalysts".APPLIED CATALYSIS B-ENVIRONMENTAL 260(2020):11.
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