CAS OpenIR  > 中科院上海应用物理研究所2011-2020年
Defective TiO2 for Propane Dehydrogenation
Li, CF; Guo, XJ; Shang, QH; Yan, X; Ren, CL; Lang, WZ; Guo, YJ
2020
Source PublicationINDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
ISSN0888-5885
Volume59Issue:10Pages:4377-4387
Subtype期刊论文
AbstractNonoxidative propane dehydrogenation (PDH) has become a more attractive process worldwide because of the low cost and abundance of shale gas that has recently become available. Orthodox catalysts for PDH based on Pt and CrOx face challenges because of the high cost of the former and the toxicity of the latter. Herein, we present defective TiO2 -based catalysts for the PDH reaction, which are inexpensive and eco-friendly. Comprehensive characterizations of their structure, morphology, and surfaces reveal that the fourfold-coordinated titanium atoms surrounding oxygen vacancies (OVs) are the main active sites for PDH. Density functional theory calculations have been employed to further explain the superior catalytic properties of defective TiO2 for PDH. Experimental results have demonstrated that the catalytic performance of PDH was significantly improved using TiO2 subjected to a reduction treatment. Moreover, the hydrogen reduction temperature for pristine TiO2 was found to influence the catalytic performance.
KeywordCATALYTIC DEHYDROGENATION PHOTOCATALYTIC ACTIVITY DOPED TIO2 TI3+ NITROGEN VACANCY ORIGIN SILICA WATER SITE
DOI10.1021/acs.iecr.9b06759
Indexed BySCI ; EI
Language英语
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Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/32778
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Shanghai Normal Univ, Educ Minist, Key Lab Resource Chem, Coll Chem & Mat Sci, Shanghai 200234, Peoples R China
2.Shanghai Normal Univ, Shanghai Key Lab Rare Earth Funct Mat, Coll Chem & Mat Sci, Shanghai 200234, Peoples R China
3.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Recommended Citation
GB/T 7714
Li, CF,Guo, XJ,Shang, QH,et al. Defective TiO2 for Propane Dehydrogenation[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2020,59(10):4377-4387.
APA Li, CF.,Guo, XJ.,Shang, QH.,Yan, X.,Ren, CL.,...&Guo, YJ.(2020).Defective TiO2 for Propane Dehydrogenation.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,59(10),4377-4387.
MLA Li, CF,et al."Defective TiO2 for Propane Dehydrogenation".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 59.10(2020):4377-4387.
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