LrgpV1, Main, Merge, bibRecord, 001A83

Analytical resolution of a cyclic two-way chromatographic binary system

Identifieur interne : 001A83 ( Main/Merge ); précédent : 001A82; suivant : 001A84

Analytical resolution of a cyclic two-way chromatographic binary system

Auteurs : C. Castel [France] ; M. Sardin [France] ; M. O. Simnnnot [France]

Source :

AIChE journal [ 0001-1541 ] ; 2002.

RBID : Pascal:02-0221531

Descripteurs français

Pascal (Inist)
- Etude théorique, Simulation numérique, Elution, Mélange binaire, Chlorure, Hydrogénocarbonate, Anion minéral, Equilibre local, Distribution concentration, Bilan masse, Chromatographie échange ion, Résine échangeuse anion, Méthode cyclique.

English descriptors

KwdEn :
- Anionic resin, Binary mixture, Chlorides, Concentration distribution, Cyclic method, Elution, Hydrogencarbonates, Inorganic anion, Ion exchange chromatography, Local equilibrium, Mass balance, Numerical simulation, Theoretical study.

Abstract

The focus is on analytical resolution of the mass-balance relation in the case of a binary ion-exchange system containing chloride and hydrocarbonate anions involved in a two-way chromatographic cyclic process under critical operating conditions, that is, feed and elution solutions with the same total normality and percolation volumes. Local equilibrium theory is used to demonstrate the convergence of the system toward a periodic state and to calculate iteratively the instantaneous and asymptotic concentration profiles inside the separation column. One of the main results is that the calculated chloride composition on the inlet side of the column after the elution step is equal to the chloride composition in the feed solution.

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to stream PascalFrancis, to step Corpus: 000891
to stream PascalFrancis, to step Curation: 000220
to stream PascalFrancis, to step Checkpoint: 000804

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Pascal:02-0221531

Le document en format XML

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<term>Elution</term>
<term>Hydrogencarbonates</term>
<term>Inorganic anion</term>
<term>Ion exchange chromatography</term>
<term>Local equilibrium</term>
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<term>Numerical simulation</term>
<term>Theoretical study</term>
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<term>Elution</term>
<term>Mélange binaire</term>
<term>Chlorure</term>
<term>Hydrogénocarbonate</term>
<term>Anion minéral</term>
<term>Equilibre local</term>
<term>Distribution concentration</term>
<term>Bilan masse</term>
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<front><div type="abstract" xml:lang="en">The focus is on analytical resolution of the mass-balance relation in the case of a binary ion-exchange system containing chloride and hydrocarbonate anions involved in a two-way chromatographic cyclic process under critical operating conditions, that is, feed and elution solutions with the same total normality and percolation volumes. Local equilibrium theory is used to demonstrate the convergence of the system toward a periodic state and to calculate iteratively the instantaneous and asymptotic concentration profiles inside the separation column. One of the main results is that the calculated chloride composition on the inlet side of the column after the elution step is equal to the chloride composition in the feed solution.</div>
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Analytical resolution of a cyclic two-way chromatographic binary system

Analytical resolution of a cyclic two-way chromatographic binary system

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri