Carbon nanotubes modified by multi-heteroatoms polymer for oxidative dehydrogenation of propane: Improvement of propene selectivity and oxidation resistance | |
Cao, Tianlong1,2; Dai, Xueya2,3; Liu, Weijie2,3; Fu, Yu1; Qi, Wei2,3 | |
Corresponding Author | Fu, Yu(fuyu@mail.neu.edu.cn) ; Qi, Wei(wqi@imr.ac.cn) |
2022-04-15 | |
Source Publication | CARBON
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ISSN | 0008-6223 |
Volume | 189Pages:199-209 |
Abstract | Nanocarbon has been considered as a promising catalyst for oxidative dehydrogenation of propane (ODHP) due to its abundant reactive oxygen species, minimal carbon deposition and distinctive electronic and structural properties. Unfortunately, its further development has been restricted for a lengthy period due to its poor propene selectivity and low durability under high temperature or oxygen-rich conditions. To address these deficiencies, the hybrid catalysts composed of small amount of multiheteroatoms N, P, S co-doping polymer (PZS) and oxidized carbon nanotubes (OCNTs) were prepared, which can achieve 63% propene selectivity at 14.3% propane conversion with catalytic stability over 20 h in ODHP reactions at 520 degrees C. This distinctive catalytic performance has reached the best level of reported doped nanocarbon catalysts. In addition, a series of kinetic experiments and structural characterizations on the proposed catalysts indicated that the material has superior oxidation resistance and strong ability to inhibit the formation of carbon oxides. The P-O and S-C species on the catalyst surface play a very important role in improving the propene selectivity and enhancing the oxidation resistance of OCNTs. (c) 2021 Elsevier Ltd. All rights reserved. |
Keyword | Nanocarbon Oxidative dehydrogenation of propane Multi-heteroatoms polymer Propene selectivity Oxidation resistance |
Funding Organization | NSFC of China ; Natural Science Foundation of Liaoning Province of China |
DOI | 10.1016/j.carbon.2021.12.069 |
Indexed By | SCI |
Language | 英语 |
Funding Project | NSFC of China[22072163] ; NSFC of China[21761132010] ; NSFC of China[91645114] ; Natural Science Foundation of Liaoning Province of China[2020-YQ-02] |
WOS Research Area | Chemistry ; Materials Science |
WOS Subject | Chemistry, Physical ; Materials Science, Multidisciplinary |
WOS ID | WOS:000760358800007 |
Publisher | PERGAMON-ELSEVIER SCIENCE LTD |
Citation statistics | |
Document Type | 期刊论文 |
Identifier | http://ir.imr.ac.cn/handle/321006/173214 |
Collection | 中国科学院金属研究所 |
Corresponding Author | Fu, Yu; Qi, Wei |
Affiliation | 1.Northeastern Univ, Dept Chem, Coll Sci, Shenyang 110819, Peoples R China 2.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China 3.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China |
Recommended Citation GB/T 7714 | Cao, Tianlong,Dai, Xueya,Liu, Weijie,et al. Carbon nanotubes modified by multi-heteroatoms polymer for oxidative dehydrogenation of propane: Improvement of propene selectivity and oxidation resistance[J]. CARBON,2022,189:199-209. |
APA | Cao, Tianlong,Dai, Xueya,Liu, Weijie,Fu, Yu,&Qi, Wei.(2022).Carbon nanotubes modified by multi-heteroatoms polymer for oxidative dehydrogenation of propane: Improvement of propene selectivity and oxidation resistance.CARBON,189,199-209. |
MLA | Cao, Tianlong,et al."Carbon nanotubes modified by multi-heteroatoms polymer for oxidative dehydrogenation of propane: Improvement of propene selectivity and oxidation resistance".CARBON 189(2022):199-209. |
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