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Pt/TS-1 catalysts: Effect of the platinum loading method on the dehydrogenation of n-butane
Shao, Mingyuan1,2,3; Hu, Chaoquan1,2,3; Xu, Xuebing1,3; Song, Yang3; Zhu, Qingshan1,2,3
2021-07-05
Source PublicationAPPLIED CATALYSIS A-GENERAL
ISSN0926-860X
Volume621Pages:9
AbstractA series of catalysts in which platinum was supported on the crystalline pure titanium silicalite (TS-1) were prepared using two different loading methods, namely, an ethylene glycol (EG) reduction method and the conventional incipient wetness impregnation (IM) technique. Various characterization techniques were used to study the effect of the loading method on the physicochemical and morphological properties of the prepared catalysts. Also the effect of the platinum-loading method on the dehydrogenation of n-butane was investigated in a fixed-bed reactor. The results show that the EG method favors the formation of a more-concentrated Pt dispersion, which results in much better catalytic activities for the selective formation of butenes and butadiene (> 97 %). This phenomenon is interpreted by carrying out density functional theory (DFT) calculations with focus on the relationship between the coverage of n-butane on Pt surface and the activation barrier for the first C-H bond cleavage.
KeywordN-butane Direct dehydrogenation Pre-reduction DFT Particle size
DOI10.1016/j.apcata.2021.118194
Language英语
WOS KeywordIN-SITU DRIFT ; OXIDATIVE DEHYDROGENATION ; PROPANE DEHYDROGENATION ; ALLOY ; CO ; PERFORMANCE ; ADSORPTION ; CE
Funding ProjectNational Natural Science Foundation of China[22078328]
WOS Research AreaChemistry ; Environmental Sciences & Ecology
WOS SubjectChemistry, Physical ; Environmental Sciences
Funding OrganizationNational Natural Science Foundation of China
WOS IDWOS:000656678600004
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/48979
Collection中国科学院过程工程研究所
Corresponding AuthorHu, Chaoquan; Zhu, Qingshan
Affiliation1.Chinese Acad Sci, State Key Lab Multiphase Complex Syst, Inst Proc Engn, Beijing, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Nanjing IPE Inst Green Mfg Ind, Nanjing, Peoples R China
Recommended Citation
GB/T 7714
Shao, Mingyuan,Hu, Chaoquan,Xu, Xuebing,et al. Pt/TS-1 catalysts: Effect of the platinum loading method on the dehydrogenation of n-butane[J]. APPLIED CATALYSIS A-GENERAL,2021,621:9.
APA Shao, Mingyuan,Hu, Chaoquan,Xu, Xuebing,Song, Yang,&Zhu, Qingshan.(2021).Pt/TS-1 catalysts: Effect of the platinum loading method on the dehydrogenation of n-butane.APPLIED CATALYSIS A-GENERAL,621,9.
MLA Shao, Mingyuan,et al."Pt/TS-1 catalysts: Effect of the platinum loading method on the dehydrogenation of n-butane".APPLIED CATALYSIS A-GENERAL 621(2021):9.
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