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Effect of H2O Vapor on NO reduction by CO: experimental and kinetic modeling study
Li S(李森); Wei XL(魏小林); Guo XF(郭啸峰); Li, S, Chinese Acad Sci, Inst Mech, 15 Beisihuanxi Rd, Beijing 100190, Peoples R China.
Source PublicationENERGY & FUELS
2012-07-01
Volume26Issue:7Pages:4277-4283
ISSN0887-0624
AbstractThe experiment and kinetic modeling prediction were conducted to investigate the effect of H2O vapor on NO reduction by CO. The experiment was performed in a 36-kW combustion reactor, and modeling prediction was done using the plug-flow reactor model. In the presence of H2O, the formation of free-radical H is conducive to NO reduction. H2O has a complex effect on NO emission: at T < 1100 degrees C, NO emission decreases with the increase of H2O content and temperature, the reaction pathway of NO reduction is NO -> HNO -> NH -> N2O -> N-2, and the controlling factors of NO reduction are temperature and H2O concentration;at 1100 degrees C < T < 1400 degrees C, NO emission decreases as the H2O content increases and remains constant with the change of temperature at [H2O] < 1.0%, NO reduction depends on H2O concentration rather than temperature, and increasing H2O concentration makes free-radical H reach high equilibrium concentration; at T > 1400 degrees C, the effects of H2O content and temperature on NO emission at [H2O] < 1.0% are similar to that at T < 1100 degrees C, NO emission increases with H2O content but decreases with temperature at [H2O] >1%, NO reduction depends on the combined effects of H and CO.
KeywordNitric-oxide Catalytic-reduction Carbon-monoxide Flames
Subject Area化工流体力学
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000306503100034
Funding OrganizationFinancial support by National Natural Science Foundation of China (No. 50976123) and the Knowledge Innovation Program of the Chinese Academy of Sciences (No. KGCX2-YW-321) is acknowledged.
DepartmentLHD高效洁净燃烧(CPCR)
Classification二类/Q1
Citation statistics
Cited Times:20[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/46384
Collection高温气体动力学国家重点实验室
Corresponding AuthorLi, S, Chinese Acad Sci, Inst Mech, 15 Beisihuanxi Rd, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Li S,Wei XL,Guo XF,et al. Effect of H2O Vapor on NO reduction by CO: experimental and kinetic modeling study[J]. ENERGY & FUELS,2012,26(7):4277-4283.
APA Li S,Wei XL,Guo XF,&Li, S, Chinese Acad Sci, Inst Mech, 15 Beisihuanxi Rd, Beijing 100190, Peoples R China..(2012).Effect of H2O Vapor on NO reduction by CO: experimental and kinetic modeling study.ENERGY & FUELS,26(7),4277-4283.
MLA Li S,et al."Effect of H2O Vapor on NO reduction by CO: experimental and kinetic modeling study".ENERGY & FUELS 26.7(2012):4277-4283.
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