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Fluidization of sawdust in a cold model circulating fluidized bed: Experimental study
Miao, Qi1; Wang, Chu2; Wu, Chuangzhi2; Yin, Xiuli2; Zhu, Jesse1
2011-02-15
Source PublicationCHEMICAL ENGINEERING JOURNAL
Volume167Issue:1Pages:335-341
AbstractHydrodynamics plays a crucial role in defining the performance of gas-solid circulating fluidized beds (CFBs). In this study, a typical biomass particle, sawdust, was selected as the bed materials to experimentally investigate its fluidization characteristics in a cold model circulating fluidized bed. The column was 10 m in height and 280 mm in diameter, and was equipped with 12 differential pressure transducers to measure axial pressure drop along the riser. A reflective optical fiber probe was employed to measure local solids holdup and local particle velocity. The effects of operating conditions on axial and radial distributions of solids holdup and particle velocity were analysed. The flow structure of sawdust in CFB was compared with that of FCC and sand particles. The results show that the shapes of the sawdust solids holdup and particle velocity distributions are similar to those of FCC and sand particles, though their typical operating conditions are quite different because of different particle properties and reactor geometries. (c) 2011 Elsevier B.V. All rights reserved.
SubtypeArticle
KeywordHydrodynamics Circulating Fluidized Bed Biomass Sawdust Solids Holdup Bed Voidage Particle Velocity
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.cej.2010.12.080
WOS Subject ExtendedEngineering
WOS KeywordPOWER-GENERATION SYSTEM ; FLOW DEVELOPMENT ; BIOMASS GASIFICATION ; PARTICLE-VELOCITY ; RISER REACTORS ; DESIGN ; HYDRODYNAMICS ; OPERATION ; PLANT ; LONG
Indexed BySCI
Language英语
WOS SubjectEngineering, Environmental ; Engineering, Chemical
WOS IDWOS:000288586100040
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Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10403
Collection中国科学院广州能源研究所
Affiliation1.Univ Western Ontario, Particle Technol Res Ctr, London, ON N6A 5B9, Canada
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, CAS Key Lab Renewable Energy & Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Miao, Qi,Wang, Chu,Wu, Chuangzhi,et al. Fluidization of sawdust in a cold model circulating fluidized bed: Experimental study[J]. CHEMICAL ENGINEERING JOURNAL,2011,167(1):335-341.
APA Miao, Qi,Wang, Chu,Wu, Chuangzhi,Yin, Xiuli,&Zhu, Jesse.(2011).Fluidization of sawdust in a cold model circulating fluidized bed: Experimental study.CHEMICAL ENGINEERING JOURNAL,167(1),335-341.
MLA Miao, Qi,et al."Fluidization of sawdust in a cold model circulating fluidized bed: Experimental study".CHEMICAL ENGINEERING JOURNAL 167.1(2011):335-341.
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