CAS OpenIR  > 湿法冶金清洁生产技术国家工程实验室
A comparative study of influence of fluidized conditions on sticking time during reduction of Fe2O3 particles with CO
Zhang, Ben1,2; Wang, Zhi2; Gong, Xuzhong2; Guo, Zhancheng1,2; Guo, ZC
2012-07-01
Source PublicationPOWDER TECHNOLOGY
ISSN0032-5910
Volume225Issue:0Pages:1-6
AbstractThe Fe2O3 particles were reduced with CO in a fluidized bed and the sticking time as a process parameter was defined based on the pressure drop to describe the sticking. Influences of fluidized conditions (CO concentration, reduction potential, gas velocity and temperature) on the sticking time were compared. The order is temperature> CO concentration > reduction potential > gas velocity. On account of increasing iron-iron contact area when particles collided together, which resulted from increase of the metallization ratio and the specific surface area of particles, the sticking time decreased with increasing CO concentration and reduction potential. On the other hand, the sticking time increased with gas velocity for enhancing momentum of particles. Due to increase of the surface energy of precipitated iron, as a dominant source of driving force for sticking, the sticking time decreased with increasing temperature. Crown Copyright (C) 2012 Published by Elsevier B.V. All rights reserved.
KeywordIron Oxide Fluidized Bed Sticking Time Metallization Ratio
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.powtec.2012.02.009
Indexed BySCI
Language英语
WOS KeywordFINE IRON-ORES ; BED REDUCTION ; GASEOUS REDUCTION ; SULFUR PRESSURE ; WUSTITE ; MAGNETITE ; GROWTH
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000305380400001
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Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/3581
Collection湿法冶金清洁生产技术国家工程实验室
Corresponding AuthorGuo, ZC
Affiliation1.Univ Sci & Technol Beijing, State Key Lab Adv Met, Beijing 100083, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Ben,Wang, Zhi,Gong, Xuzhong,et al. A comparative study of influence of fluidized conditions on sticking time during reduction of Fe2O3 particles with CO[J]. POWDER TECHNOLOGY,2012,225(0):1-6.
APA Zhang, Ben,Wang, Zhi,Gong, Xuzhong,Guo, Zhancheng,&Guo, ZC.(2012).A comparative study of influence of fluidized conditions on sticking time during reduction of Fe2O3 particles with CO.POWDER TECHNOLOGY,225(0),1-6.
MLA Zhang, Ben,et al."A comparative study of influence of fluidized conditions on sticking time during reduction of Fe2O3 particles with CO".POWDER TECHNOLOGY 225.0(2012):1-6.
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