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题名: Breakthrough curves and elution profiles of single solutes in case of adsorption isotherms with two inflection points
作者: Zhang, WB;  Shan, YC;  Seidel-Morgenstern, A
通讯作者: Andreas Seidel-Morgenstern
关键词: equilibrium theory ;  adsorption isotherms ;  inflection points ;  breakthrough curves
刊名: JOURNAL OF CHROMATOGRAPHY A
发表日期: 2006-02-24
DOI: 10.1016/j.chroma.2005.12.094
卷: 1107, 期:1-2, 页:216-225
收录类别: SCI
文章类型: Article
部门归属: 18
项目归属: 1810
产权排名: 2;1
WOS标题词: Science & Technology ;  Life Sciences & Biomedicine ;  Physical Sciences
类目[WOS]: Biochemical Research Methods ;  Chemistry, Analytical
研究领域[WOS]: Biochemistry & Molecular Biology ;  Chemistry
英文摘要: The shape of breakthrough curves and elution profiles depends strongly on the course of the specific equilibrium functions characterizing the chromatographic system. For a highly efficient system the equilibrium theory provides a methodology how to predict the band profiles. The concept is frequently applied to analyze single component systems characterized by isotherms possessing simple shapes (Langmuir or anti-Langmuir behaviour). However, adsorption isotherms often possess more complicated shapes and have inflection points in their courses. This leads to the development of composite concentration waves and results in complex shapes of breakthrough curves and elution profiles. In this paper, the equilibrium theory is used to predict breakthrough curves for a chromatographic system characterized by an adsorption isotherm with two inflection points. The results obtained are validated by comparing with numerical solutions of the equilibrium dispersive model. (c) 2006 Elsevier B.V. All rights reserved.
关键词[WOS]: NONLINEAR-WAVES ;  CHROMATOGRAPHIC-SEPARATION ;  MULTICOMPONENT ;  SYSTEMS
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000235505100027
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/93629
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Max Planck Inst Dynam Komplexer Tech Syst, D-39106 Magdeburg, Germany
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116011, Peoples R China
3.Otto Von Guericke Univ Verfahrenstech, D-39106 Magdeburg, Germany

Recommended Citation:
Zhang, WB,Shan, YC,Seidel-Morgenstern, A. Breakthrough curves and elution profiles of single solutes in case of adsorption isotherms with two inflection points[J]. JOURNAL OF CHROMATOGRAPHY A,2006,1107(1-2):216-225.
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