CAS OpenIR
Simulation with a structure-based mass-transfer model for turbulent fluidized beds
Yan, Dong1,2; Li, Hongzhong1; Zou, Zheng1; Zhu, Qingshan1,2
2018-08-01
Source PublicationPARTICUOLOGY
ISSN1674-2001
Volume39Pages:40-47
Abstract

A structure-based mass-transfer model for turbulent fluidized beds (TFBs) was established according to mass conservation and the balance of mass transfer and reaction. Unlike the traditional method, which assumes a homogeneous structure, this model considered the presence of voids and particle clusters in TFBs and built correlations for each phase. The flow parameters were solved based on a previously proposed structure-based drag model. The catalytic combustion of methane at three temperatures and ozone decomposition at various gas velocities were used to validate the model. The TFB reactions comprised intrinsic reaction kinetics, internal diffusion, and external diffusion. The simulation results, which compared favorably with experimental data and were better than those based on the average method, demonstrated that methane was primarily consumed at the bottom of the bed and the methane concentration was closely related to the presence of the catalyst. The flow and diffusion had an important effect on the methane concentration. This model also predicted the outlet concentrations for ozone decomposition, which increased with increasing gas velocity. Interphase mass transfer was presented as the limiting step for this system. This structure-based mass-transfer model is important for the industrial application of TFBs. (C) 2017 Chinese Society of Particuology and Institute of Process Engineering, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.

KeywordMass Transfer Simulation Turbulent Fluidized Bed Structure-based
DOI10.1016/j.partic.2017.09.003
Language英语
WOS KeywordSolid Riser Flows ; Natural-gas ; Hydrodynamics ; Combustion ; Decomposition ; Particles ; Regimes ; Reactor
Funding ProjectState Key Development Program for Basic Research of China (973 Program)[2015CB251402] ; National Natural Science Foundation of China[21325628]
WOS Research AreaEngineering ; Materials Science
WOS SubjectEngineering, Chemical ; Materials Science, Multidisciplinary
Funding OrganizationState Key Development Program for Basic Research of China (973 Program) ; National Natural Science Foundation of China
WOS IDWOS:000434751200005
PublisherELSEVIER SCIENCE INC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/24591
Collection中国科学院过程工程研究所
Corresponding AuthorLi, Hongzhong; Zhu, Qingshan
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, POB 353, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Yan, Dong,Li, Hongzhong,Zou, Zheng,et al. Simulation with a structure-based mass-transfer model for turbulent fluidized beds[J]. PARTICUOLOGY,2018,39:40-47.
APA Yan, Dong,Li, Hongzhong,Zou, Zheng,&Zhu, Qingshan.(2018).Simulation with a structure-based mass-transfer model for turbulent fluidized beds.PARTICUOLOGY,39,40-47.
MLA Yan, Dong,et al."Simulation with a structure-based mass-transfer model for turbulent fluidized beds".PARTICUOLOGY 39(2018):40-47.
Files in This Item:
File Name/Size DocType Version Access License
Simulation with a st(1821KB)期刊论文出版稿限制开放CC BY-NC-SAApplication Full Text
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Yan, Dong]'s Articles
[Li, Hongzhong]'s Articles
[Zou, Zheng]'s Articles
Baidu academic
Similar articles in Baidu academic
[Yan, Dong]'s Articles
[Li, Hongzhong]'s Articles
[Zou, Zheng]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Yan, Dong]'s Articles
[Li, Hongzhong]'s Articles
[Zou, Zheng]'s Articles
Terms of Use
No data!
Social Bookmark/Share
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.