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Title: Influence of operating parameters on N2O emission in O-2/CO2 combustion with high oxygen concentration in circulating fluidized bed
Author: Li ShiYuan(李诗媛)1; Xu, Mingxin1, 2; Jia, Lufei3; Tan, Li4; Lu, Qinggang1
Source: APPLIED ENERGY
Issued Date: 2016-07-01
Volume: 173, Pages:197-209
Keyword: Oxy-fuel combustion ; High oxygen concentration ; Circulating fluidized bed ; Operating parameters ; N2O
DOI: 10.1016/j.apenergy.2016.02.054
DOC Type: Article
English Abstract: Oxy-fuel circulating fluidized bed (CFB) combustion combining the advantages of oxy-fuel combustion and CFB technology is one of the most promising technologies for capturing CO2. However, the emission of N2O in oxy-fuel CFB combustion can be high enough to raise some related environmental issues. This study investigated N2O emission in O-2/CO2 CFB combustion with a high oxygen concentration based on the experimental results using a the 0.1 MWth oxy-fuel CFB. This study focused on the operating parameters. It was found that increasing the combustion temperature and overall oxygen concentration can lead to lower N2O emission, while increasing the excess oxygen ratio can lead to higher N2O emission levels. Both gas staging and oxygen staging have slight adverse influences on controlling N2O owing to the higher oxygen concentration in the secondary gas. Finally, the excess oxygen ratio in the primary zone was determined in order to assess the actual effects of gas and oxygen staging on both N2O and NO emissions. (C) 2016 Published by Elsevier Ltd.
WOS Headings: Science & Technology ; Technology
WOS Subject: Energy & Fuels ; Engineering, Chemical
WOS Subject Extended: Energy & Fuels ; Engineering
WOS Keyword Plus: FUEL COMBUSTION ; NITROUS-OXIDE ; POLLUTANT EMISSIONS ; FLUE-GAS ; COAL ; NO ; BOILERS ; CHAR ; REDUCTION ; CONVERSION
Indexed Type: SCI
Funder: Strategic Priority Research Program of the Chinese Academy of Sciences(XDA07030200) ; External Cooperation (BIC), Chinese Academy of Sciences(GJHZ201301)
Language: 英语
WOS ID: WOS:000377235200019
Citation statistics:
Content Type: 期刊论文
URI: http://ir.etp.ac.cn/handle/311046/112461
Appears in Collections:中国科学院工程热物理所(论文库)_期刊论文(SCI)

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description.institution: 1.Chinese Acad Sci, Inst Engn Thermophys, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.CanmetENERGY, 1 Haanel Dr, Ottawa, ON K1A 1M1, Canada
4.SIPO, Patent Off, Patent Examinat Cooperat Jiangsu Ctr, Beijing, Peoples R China
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