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Reduction of NO by Biomass Pyrolysis Products in an Experimental Drop-Tube
Do, Hai-Sam1,2; Bunman, Yutthasin1,2; Gao, Shiqiu1; Xu, Guangwen1
Source PublicationENERGY & FUELS

To understand the mechanisnr of NOx reduction by reburning biomass pyrolysis products, the present work is devoted to investigate the capabilities of biomass char, tar, and pyrolysis gas (Py-gas) for NO reduction through experiments in a drop-tube reactor. Pyrolysis of distilled spirit lees at 500 degrees C produced the char and tar tested, while Py-gas was prepared from cylinder gases according to the analysis of experimental Py-gas. The, realized NO reduction efficiency varied with the stoichiometric ratio (SR), reaction temperature, residence time, and initial NO and CO concentrations. At a specified mass rate of 0.15 g/min, tar enabled the best, NO reduction in comparison to char and Py-gas. The presence of CO in Py-gas inhibited the homogeneous NO reduction reactions to cause lower NO reduction efficiency by this agent. For biomass char and tar, their realized NO reduction reactions were promoted, by high temperature and high initial NO and CO concentrations. Moreover, the suitable SR values for obtaining the highest NO reduction efficiency by reburning pyrolysiS products were found to be 0:6-0:8.

WOS HeadingsScience & Technology ; Technology
Indexed BySCI
WOS KeywordEntrained Flow Reactor ; Nitric-oxide Reduction ; Fluidized-bed ; Fuel Characteristics ; Combustion ; Char ; Tar ; Gasification ; Carbon ; Coal
WOS Research AreaEnergy & Fuels ; Engineering
WOS SubjectEnergy & Fuels ; Engineering, Chemical
Funding OrganizationNational Natural Science Foundation of China(21161140329) ; National Key Technology Development Program of China(20012BAC03B05)
WOS IDWOS:000400039800123
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Chinese Acad Sci, State Key Lab Multiphase Complex Syst, Inst Proc Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Do, Hai-Sam,Bunman, Yutthasin,Gao, Shiqiu,et al. Reduction of NO by Biomass Pyrolysis Products in an Experimental Drop-Tube[J]. ENERGY & FUELS,2017,31(4):4499-4506.
APA Do, Hai-Sam,Bunman, Yutthasin,Gao, Shiqiu,&Xu, Guangwen.(2017).Reduction of NO by Biomass Pyrolysis Products in an Experimental Drop-Tube.ENERGY & FUELS,31(4),4499-4506.
MLA Do, Hai-Sam,et al."Reduction of NO by Biomass Pyrolysis Products in an Experimental Drop-Tube".ENERGY & FUELS 31.4(2017):4499-4506.
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