Symposium on application of pulse techniques to kinetic measurements: Une nouvelle formulation dynamique des interactions fluide solide — Application à des mesures de diffusivités intraparticulaires et de constantes d'équilibre d'adsorption
Identifieur interne : 003620 ( Main/Exploration ); précédent : 003619; suivant : 003621Symposium on application of pulse techniques to kinetic measurements: Une nouvelle formulation dynamique des interactions fluide solide — Application à des mesures de diffusivités intraparticulaires et de constantes d'équilibre d'adsorption
Auteurs : Jacques Villermavx Et [France] ; Didier Matras [France]Source :
- The Canadian Journal of Chemical Engineering [ 0008-4034 ] ; 1973-12.
English descriptors
- KwdEn :
- Aiche journal, Avec, Avon, Axiale, Bcoulement piston, Cette, Chem, Chemical engineering, Cinetique, Colonne chromatographique, Comporte comme, Concentration moyenne, Concentration superficielle, Constante, Dispersion, Dispersion axiale, Externe, Fluide, Fluide porteur, Fonction, Garnissage, Garnissage poreux, Laplace, Matiere, Mesures, Methode, Mieux comprendre, Moment centre, Ordre, Passage intersticiel, Permet, Premier ordre, Reponse, Reponse impulsionnelle, Resistance externe, Solide, Temp, Transfer function, Transfert, Variance.
- Teeft :
- Aiche journal, Avec, Avon, Axiale, Bcoulement piston, Cette, Chem, Chemical engineering, Cinetique, Colonne chromatographique, Comporte comme, Concentration moyenne, Concentration superficielle, Constante, Dispersion, Dispersion axiale, Externe, Fluide, Fluide porteur, Fonction, Garnissage, Garnissage poreux, Laplace, Matiere, Mesures, Methode, Mieux comprendre, Moment centre, Ordre, Passage intersticiel, Permet, Premier ordre, Reponse, Reponse impulsionnelle, Resistance externe, Solide, Temp, Transfer function, Transfert, Variance.
Abstract
A general model of the dynamics of linear chromatographic interactions between a fluid and a solid is proposed, according to the following steps: 1 Analysis of the processes occurring at the particle level. Transfer function relating the mean concentration in the particle to the surface concentration. Contribution of external and internal mass transfer. Approximation by a first order system. 2 Transfer function of a mixing cell containing solid particles. Approximation by two coupled first order systems. 3 Generalization to any kind of flow. Association of mixing cells in series: model of a chromatographic column. Mean and variance of the impulse response. Two experimental examples are given: 1 Measurement of the internal tortuosity and ethane adsorption isotherms in microporous alumina pellets using a spontaneously jet stirred gas solid reactor. 2 Determination of the effective diffusivity of argon in porous alumina beads using the so called “two measurements chromatographic method”.
Url:
DOI: 10.1002/cjce.5450510603
Affiliations:
Links toward previous steps (curation, corpus...)
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- to stream Main, to step Curation: 003620
Le document en format XML
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Nancy</wicri:noRegion><wicri:noRegion>Institut National Polytechnique de Nancy</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j" type="main">The Canadian Journal of Chemical Engineering</title><title level="j" type="alt">CANADIAN JOURNAL OF CHEMICAL ENGINEERING</title><idno type="ISSN">0008-4034</idno><idno type="eISSN">1939-019X</idno><imprint><biblScope unit="vol">51</biblScope><biblScope unit="issue">6</biblScope><biblScope unit="page" from="636">636</biblScope><biblScope unit="page" to="641">641</biblScope><biblScope unit="page-count">6</biblScope><publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher><pubPlace>Hoboken</pubPlace><date type="published" when="1973-12">1973-12</date></imprint><idno type="ISSN">0008-4034</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0008-4034</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aiche 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scheme="Teeft" xml:lang="en"><term>Aiche journal</term><term>Avec</term><term>Avon</term><term>Axiale</term><term>Bcoulement piston</term><term>Cette</term><term>Chem</term><term>Chemical engineering</term><term>Cinetique</term><term>Colonne chromatographique</term><term>Comporte comme</term><term>Concentration moyenne</term><term>Concentration superficielle</term><term>Constante</term><term>Dispersion</term><term>Dispersion axiale</term><term>Externe</term><term>Fluide</term><term>Fluide porteur</term><term>Fonction</term><term>Garnissage</term><term>Garnissage poreux</term><term>Laplace</term><term>Matiere</term><term>Mesures</term><term>Methode</term><term>Mieux comprendre</term><term>Moment centre</term><term>Ordre</term><term>Passage intersticiel</term><term>Permet</term><term>Premier ordre</term><term>Reponse</term><term>Reponse impulsionnelle</term><term>Resistance externe</term><term>Solide</term><term>Temp</term><term>Transfer function</term><term>Transfert</term><term>Variance</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">A general model of the dynamics of linear chromatographic interactions between a fluid and a solid is proposed, according to the following steps: 1 Analysis of the processes occurring at the particle level. Transfer function relating the mean concentration in the particle to the surface concentration. Contribution of external and internal mass transfer. Approximation by a first order system. 2 Transfer function of a mixing cell containing solid particles. Approximation by two coupled first order systems. 3 Generalization to any kind of flow. Association of mixing cells in series: model of a chromatographic column. Mean and variance of the impulse response. Two experimental examples are given: 1 Measurement of the internal tortuosity and ethane adsorption isotherms in microporous alumina pellets using a spontaneously jet stirred gas solid reactor. 2 Determination of the effective diffusivity of argon in porous alumina beads using the so called “two measurements chromatographic method”.</div></front></TEI><affiliations><list><country><li>France</li></country></list><tree><country name="France"><noRegion><name sortKey="Villermavx Et, Jacques" sort="Villermavx Et, Jacques" uniqKey="Villermavx Et J" first="Jacques" last="Villermavx Et">Jacques Villermavx Et</name></noRegion><name sortKey="Matras, Didier" sort="Matras, Didier" uniqKey="Matras D" first="Didier" last="Matras">Didier Matras</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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