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Prediction of breakthrough curves for adsorption of lead(II) on activated carbon fibers in a fixed bed
Alternative TitleCarbon
Xiu, GH; Li, P
2000
Source PublicationCARBON
ISSN0008-6223
Volume38Issue:7Pages:975-981
AbstractThe breakthrough curves were measured for the adsorption of aqueous Pb(NO3)(2) on activated carbon fibers (ACFs) in a fixed-bed adsorber. With the adsorption equilibrium constant and the intraparticle diffusivity determined from separate experiments in a batch tank, the breakthrough curves were predicted by the orthogonal collocation method. By the analysis of the effects of intraparticle and external mass transfer resistances as well as the axial dispersion on the breakthrough curves, the axial dispersion is confirmed to be the main parameter that controls the adsorption dynamics. Based on this analysis, the quasi-lognormal distribution approximation for linear isotherms and the constant pattern profiles solution for nonlinear isotherms were presented to predict the breakthrough curves for ACF fixed beds. In addition, the effluent pH curves were discussed with the changes of experimental conditions. (C) 2000 Elsevier Science Ltd. All rights reserved.; The breakthrough curves were measured for the adsorption of aqueous Pb(NO3)(2) on activated carbon fibers (ACFs) in a fixed-bed adsorber. With the adsorption equilibrium constant and the intraparticle diffusivity determined from separate experiments in a batch tank, the breakthrough curves were predicted by the orthogonal collocation method. By the analysis of the effects of intraparticle and external mass transfer resistances as well as the axial dispersion on the breakthrough curves, the axial dispersion is confirmed to be the main parameter that controls the adsorption dynamics. Based on this analysis, the quasi-lognormal distribution approximation for linear isotherms and the constant pattern profiles solution for nonlinear isotherms were presented to predict the breakthrough curves for ACF fixed beds. In addition, the effluent pH curves were discussed with the changes of experimental conditions. (C) 2000 Elsevier Science Ltd. All rights reserved.
KeywordActivated Carbon Fibers Transport Properties Adsorption Modelling
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
URL查看原文
Indexed BySCI
Language英语
WOS KeywordREMOVAL ; WATER ; APPROXIMATION
WOS Research AreaChemistry ; Materials Science
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary
WOS IDWOS:000087261000002
Citation statistics
Cited Times:37[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6022
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Inst Chem Met, Beijing 100080, Peoples R China
2.Shenyang Inst Chem Technol, Dept Chem Engn, Shenyang 110021, Peoples R China
Recommended Citation
GB/T 7714
Xiu, GH,Li, P. Prediction of breakthrough curves for adsorption of lead(II) on activated carbon fibers in a fixed bed[J]. CARBON,2000,38(7):975-981.
APA Xiu, GH,&Li, P.(2000).Prediction of breakthrough curves for adsorption of lead(II) on activated carbon fibers in a fixed bed.CARBON,38(7),975-981.
MLA Xiu, GH,et al."Prediction of breakthrough curves for adsorption of lead(II) on activated carbon fibers in a fixed bed".CARBON 38.7(2000):975-981.
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