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Self-sustained catalytic combustion of carbon monoxide ignited by dielectric barrier discharge
Bin F(宾峰); Wei XL(魏小林); Li T(李腾); Liu DL; Hao QL; Dou BJ; Li, T (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China.; Dou, BJ (reprint author), Tianjin Univ Sci & Technol, Coll Marine & Environm Sci, Tianjin 300457, Peoples R China.
Source PublicationPROCEEDINGS OF THE COMBUSTION INSTITUTE
2017
Volume36Issue:3Pages:4193-4200
ISSN1540-7489
AbstractThis paper presents the results of a study of self-sustained catalytic combustion of CO ignited by dielectric barrier discharge (DBD) using Ce0.5Zr0.5Oy/TiO2 (CeZr/Ti), CuZr0.25Oy/TiO2 (CuZr/Ti), and CuCe0.75Zr0.25Oy/TiO2 (CuCeZr/Ti) catalysts. DBD excites and dissociates some of the reactant molecules in the gas phase. These are more easily adsorbed on the catalyst surface than are ground-state species, therefore induction begins at a lower background temperature than in thermal catalysis. CO is adsorbed on copper sites, therefore CeZr/Ti is inactive in CO ignition, but CuZr/Ti and CuCeZr/Ti achieve DBD ignition at 34 and 44 s, respectively, at a specific energy density (SED) of 1500 J/L. CO catalytic ignition by DBD involves two steps. The induction process is dominated by plasma catalysis. At the same SEDs, induction with CuCeZr/Ti begins earlier than those with CuZr/Ti, in good agreement with the reducibilities and oxygen-transfer properties of these catalysts. The ignition process is governed by thermal catalysis because the enhancement of external diffusion induced by increasing the temperature improves the reaction rate. CuZr/Ti provided more CO adsorption sites than did CuCeZr/Ti, contributing to shortening of the ignition delay. (C) 2016 by The Combustion Institute. Published by Elsevier Inc.
DOI10.1016/j.proci.2016.06.181
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000393412600096
WOS KeywordSelf-sustained catalytic combustion ; Carbon monoxide ; Ignition ; Dielectric barrier discharge
WOS Research AreaThermodynamics ; Energy & Fuels ; Engineering
WOS SubjectThermodynamics ; Energy & Fuels ; Engineering, Chemical ; Engineering, Mechanical
Funding OrganizationThis work is financially supported by the National Natural Science Found of China (No. 21307088). The work is also supported by State Key Laboratory of Engines, Tianjin University (K2014-8).
DepartmentLHD高效洁净燃烧(CPCR)
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Ranking1
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/60105
Collection高温气体动力学国家重点实验室
Corresponding AuthorLi, T (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China.; Dou, BJ (reprint author), Tianjin Univ Sci & Technol, Coll Marine & Environm Sci, Tianjin 300457, Peoples R China.
Recommended Citation
GB/T 7714
Bin F,Wei XL,Li T,et al. Self-sustained catalytic combustion of carbon monoxide ignited by dielectric barrier discharge[J]. PROCEEDINGS OF THE COMBUSTION INSTITUTE,2017,36(3):4193-4200.
APA 宾峰.,魏小林.,李腾.,Liu DL.,Hao QL.,...&Dou, BJ .(2017).Self-sustained catalytic combustion of carbon monoxide ignited by dielectric barrier discharge.PROCEEDINGS OF THE COMBUSTION INSTITUTE,36(3),4193-4200.
MLA 宾峰,et al."Self-sustained catalytic combustion of carbon monoxide ignited by dielectric barrier discharge".PROCEEDINGS OF THE COMBUSTION INSTITUTE 36.3(2017):4193-4200.
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