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The properties and catalytic performance of PtSn/Mg(x-Ga)AlO catalysts for ethane dehydrogenation
Fang, Shuqi1; Zhang, Keting1; Wang, Chenguang2; Ma, Longlong2; Zhang, Qi2; Liu, Qiying2; Chen, Lungang2; Chen, Lingpeng2; Zhang, Qiao2; Tian, Zhipeng2,3
2017
Source PublicationRSC ADVANCES
Volume7Issue:37Pages:22836-22844
AbstractMg(Ga) AlO hydrotalcite materials with different Ga contents are synthesized via the coprecipitation method and then used as supports for PtSn/Mg(x-Ga) AlO catalysts, in which Pt and Sn nanoparticles are deposited via the anion exchange method. The results indicate that a suitable content of Ga evidently enhances the performances and stability of ethane dehydrogenation for the PtSn/Mg(x-Ga) AlO catalysts. The S-BET of the catalyst increases with the addition of Ga (2-4.5 wt%). The total acidity and strong acid sites decrease significantly when a small quantity of Ga is added. It is favorable for the catalysts to possess a smaller size and better distribution of Pt particles. Moreover, a suitable content of Ga enhances the interaction between Sn and the support and inhibits the reduction of oxidized Sn species, which is helpful to enhance the interaction between the Pt and Sn atoms. The PtSn/Mg(2-Ga) AlO catalyst exhibits the best performance of all the catalysts during the ethane dehydrogenation reaction, with an average ethane conversion of 25.4% for a period of 2 h. No evident activity decrease is observed after 4 cycles of 2 h testing.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1039/c7ra00670e
WOS Subject ExtendedChemistry
WOS KeywordLAYERED DOUBLE HYDROXIDES ; PROPANE DEHYDROGENATION ; ISOBUTANE DEHYDROGENATION ; ALKANE DEHYDROGENATION ; PTSNK/GAMMA-AL2O3 CATALYST ; OXIDATIVE DEHYDROGENATION ; HYDROTALCITE ; GA ; SUPPORT ; SITES
Indexed BySCI
Language英语
Funding OrganizationNSFC (Natural Science Foundation of China)(51476175 ; National Key basic Research Program of China (973 program)(2013BC228105) ; Chinese Academy of Sciences "one hundred talented plan" ; 51536009)
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000400338000027
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/14176
Collection中国科学院广州能源研究所
Affiliation1.Zhengzhou Univ, Sch Chem Engn & Energy, Zhengzhou 450001, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Fang, Shuqi,Zhang, Keting,Wang, Chenguang,et al. The properties and catalytic performance of PtSn/Mg(x-Ga)AlO catalysts for ethane dehydrogenation[J]. RSC ADVANCES,2017,7(37):22836-22844.
APA Fang, Shuqi.,Zhang, Keting.,Wang, Chenguang.,Ma, Longlong.,Zhang, Qi.,...&Tian, Zhipeng.(2017).The properties and catalytic performance of PtSn/Mg(x-Ga)AlO catalysts for ethane dehydrogenation.RSC ADVANCES,7(37),22836-22844.
MLA Fang, Shuqi,et al."The properties and catalytic performance of PtSn/Mg(x-Ga)AlO catalysts for ethane dehydrogenation".RSC ADVANCES 7.37(2017):22836-22844.
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