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Article: Simulation of agglomeration/defluidization inhibition process in aluminum-sodium system by experimental and thermodynamic approaches

TitleSimulation of agglomeration/defluidization inhibition process in aluminum-sodium system by experimental and thermodynamic approaches
Authors
KeywordsAgglomeration inhibition
Fluidized bed
Incineration
Prediction model
Addition of Al
Issue Date2012
PublisherElsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/powtec
Citation
Powder Technology, 2012, v. 224, p. 395-403 How to Cite?
Abstract
This study modifies a defluidization time prediction model under the influence of agglomeration inhibition provided by the addition of Al into a fluidized bed system. Operational parameters, such as the Al/Na ratio, temperature, gas velocity, and the particle size of bed materials, were considered by the prediction model developed by Lin et al., and thermodynamic consideration of the Al-Na-Si reaction system revealed the agglomeration mechanism. An exponential decay of f N was found with the increase of the Al/Na ratio, and the data analysis gave a regression formula of f N=0.0601+0.4983*exp [-4.4183*(Al/Na ratio)], with an R 2 of 0.9972. The simulation data generally match well with the experimental results, particularly at lower operation temperatures and Geldart B group's particles, with acceptable average errors of -8.4% and -4.9%, respectively. However, relatively poor matches were found in the cases with different gas velocities, a higher operation temperature (900°C), and a larger particle size (Geldart D group) of bed materials. © 2012 Elsevier B.V..
Persistent Identifierhttp://hdl.handle.net/10722/150670
ISSN
2013 Impact Factor: 2.269
2013 SCImago Journal Rankings: 0.944
ISI Accession Number ID
References

 

Author Affiliations
  1. The University of Hong Kong
  2. National University of Kaohsiung
  3. National Chung Hsing University
DC FieldValueLanguage
dc.contributor.authorKuo, JHen_US
dc.contributor.authorShih, Ken_US
dc.contributor.authorLin, CLen_US
dc.contributor.authorWey, MYen_US
dc.date.accessioned2012-06-26T06:06:38Z-
dc.date.available2012-06-26T06:06:38Z-
dc.date.issued2012en_US
dc.identifier.citationPowder Technology, 2012, v. 224, p. 395-403en_US
dc.identifier.issn0032-5910en_US
dc.identifier.urihttp://hdl.handle.net/10722/150670-
dc.description.abstractThis study modifies a defluidization time prediction model under the influence of agglomeration inhibition provided by the addition of Al into a fluidized bed system. Operational parameters, such as the Al/Na ratio, temperature, gas velocity, and the particle size of bed materials, were considered by the prediction model developed by Lin et al., and thermodynamic consideration of the Al-Na-Si reaction system revealed the agglomeration mechanism. An exponential decay of f N was found with the increase of the Al/Na ratio, and the data analysis gave a regression formula of f N=0.0601+0.4983*exp [-4.4183*(Al/Na ratio)], with an R 2 of 0.9972. The simulation data generally match well with the experimental results, particularly at lower operation temperatures and Geldart B group's particles, with acceptable average errors of -8.4% and -4.9%, respectively. However, relatively poor matches were found in the cases with different gas velocities, a higher operation temperature (900°C), and a larger particle size (Geldart D group) of bed materials. © 2012 Elsevier B.V..en_US
dc.languageengen_US
dc.publisherElsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/powtecen_US
dc.relation.ispartofPowder Technologyen_US
dc.subjectAgglomeration inhibitionen_US
dc.subjectFluidized beden_US
dc.subjectIncinerationen_US
dc.subjectPrediction modelen_US
dc.subjectAddition of Al-
dc.titleSimulation of agglomeration/defluidization inhibition process in aluminum-sodium system by experimental and thermodynamic approachesen_US
dc.typeArticleen_US
dc.identifier.emailShih, K: kshih@hkucc.hku.hken_US
dc.identifier.emailWey, MY: mywey@dragon.nchu.edu.tw-
dc.identifier.authorityShih, K=rp00167en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.powtec.2012.03.036en_US
dc.identifier.scopuseid_2-s2.0-84860524936en_US
dc.identifier.hkuros205541-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84860524936&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume224en_US
dc.identifier.spage395en_US
dc.identifier.epage403en_US
dc.identifier.isiWOS:000304792000052-
dc.publisher.placeSwitzerlanden_US
dc.identifier.scopusauthoridWey, MY=7004787466en_US
dc.identifier.scopusauthoridLin, CL=8948924800en_US
dc.identifier.scopusauthoridShih, K=14072108900en_US
dc.identifier.scopusauthoridKuo, JH=24438027500en_US

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