CAS OpenIR
Interactions in NOX chemistry during fluidized bed co-combustion of residual biomass and sewage sludge
Ulusoy, Burak1,2,3; Anicic, Bozidar1,2,3; Lin, Weigang1,3; Lu, Bona3,4; Wang, Wei3,4; Dam-Johansen, Kim1; Wu, Hao1
2021-06-15
Source PublicationFUEL
ISSN0016-2361
Volume294Pages:10
AbstractThis work investigates the interactions in NOX chemistry during biomass co-combustion in a continuous lab-scale bubbling fluidized bed reactor. Co-combustion experiments were performed at air staged and unstaged conditions, and the gas composition in the flue gas and within the reactor was measured. The used biomass fuels were straw, sunflower husk, sewage sludge, and sunflower seed. Based on the NO concentration in the flue gas, strawsunflower husk and straw-sunflower seed co-combustion were additive, while co-combustion of straw and sewage sludge revealed a synergy effect. The main cause was the presence of sewage sludge ash, which could catalyse the formation of NO from NH3 and HNCO, and possibly HCN. The catalytic effect of the ash increased with lower ash preparation temperature and better mixing of the ash with straw. During straw-sewage sludge cocombustion, the NH3 initially released from sewage sludge favoured the reduction of NO, while at later stages, when a significant amount of ash accumulated in the bed, the catalytic oxidation of NH3 to NO was dominant. Compared to air unstaged conditions, the NO emission was reduced and the impact of ash on the nitrogen chemistry was less pronounced at air staged conditions.
KeywordBiomass Co-combustion NOX Sewage sludge Fluidized bed
DOI10.1016/j.fuel.2021.120431
Language英语
Funding ProjectSinoDanish Centre for Education and Research ; Technical University of Denmark
WOS Research AreaEnergy & Fuels ; Engineering
WOS SubjectEnergy & Fuels ; Engineering, Chemical
Funding OrganizationSinoDanish Centre for Education and Research ; Technical University of Denmark
WOS IDWOS:000640910700008
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/48525
Collection中国科学院过程工程研究所
Corresponding AuthorWu, Hao
Affiliation1.Tech Univ Denmark, Dept Chem & Biochem Engn, Soltofts Plads 229, DK-2800 Lyngby, Denmark
2.Sino Danish Ctr Educ & Res, Beijing, Peoples R China
3.Univ Chinese Acad Sci, Sino Danish Coll, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Inst Proc Engn, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Ulusoy, Burak,Anicic, Bozidar,Lin, Weigang,et al. Interactions in NOX chemistry during fluidized bed co-combustion of residual biomass and sewage sludge[J]. FUEL,2021,294:10.
APA Ulusoy, Burak.,Anicic, Bozidar.,Lin, Weigang.,Lu, Bona.,Wang, Wei.,...&Wu, Hao.(2021).Interactions in NOX chemistry during fluidized bed co-combustion of residual biomass and sewage sludge.FUEL,294,10.
MLA Ulusoy, Burak,et al."Interactions in NOX chemistry during fluidized bed co-combustion of residual biomass and sewage sludge".FUEL 294(2021):10.
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