Analysis of Equilibrium Shifting by Inter-Stage Reactant Feeding in a Series of Isothermal Reactors
Identifieur interne : 000376 ( Hal/Checkpoint ); précédent : 000375; suivant : 000377Analysis of Equilibrium Shifting by Inter-Stage Reactant Feeding in a Series of Isothermal Reactors
Auteurs : Florent Allain [France] ; Jean-François Portha [France] ; Laurent Falk [France]Source :
Abstract
This paper focuses on the impact of reactant staging on conversion for one single reversible reaction in a two-stage, isothermal, continuous reactor. The analytical expression of global conversion has been derived for a series of two continuously stirred-tank reactors. Improvements in the overall conversion and yield by staging can be obtained for low Damkohler number systems leading to low conversions, when the volumetric flow rate of the staged reactant has a higher value than that of the other one. The example of triolein transesterification involving three reversible reactions in a two-stage plug flow reactor is also studied as a concrete example of a consecutive/parallel reversible reactions system. Results are obtained by using a pseudo-homogeneous model and are compared with those obtained with a heterogeneous model from a previous study.
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DOI: 10.1515/ijcre-2013-0116
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The analytical expression of global conversion has been derived for a series of two continuously stirred-tank reactors. Improvements in the overall conversion and yield by staging can be obtained for low Damkohler number systems leading to low conversions, when the volumetric flow rate of the staged reactant has a higher value than that of the other one. The example of triolein transesterification involving three reversible reactions in a two-stage plug flow reactor is also studied as a concrete example of a consecutive/parallel reversible reactions system. Results are obtained by using a pseudo-homogeneous model and are compared with those obtained with a heterogeneous model from a previous study.</div></front></TEI><hal api="V3"><titleStmt><title xml:lang="en">Analysis of Equilibrium Shifting by Inter-Stage Reactant Feeding in a Series of Isothermal Reactors</title><author role="aut"><persName><forename type="first">Florent</forename><surname>Allain</surname></persName><email></email><idno type="halauthor">806616</idno><affiliation ref="#struct-211875"></affiliation></author><author role="rsp"><persName><forename type="first">Jean-François</forename><surname>Portha</surname></persName><email>jean-francois.portha@univ-lorraine.fr</email><idno type="halauthor">806615</idno><affiliation ref="#struct-211875"></affiliation></author><author role="rsp"><persName><forename type="first">Laurent</forename><surname>Falk</surname></persName><email>laurent.falk@univ-lorraine.fr</email><idno type="halauthor">806619</idno><affiliation ref="#struct-211875"></affiliation></author><editor role="depositor"><persName><forename>LRGP</forename><surname>UL</surname></persName><email>ddoc-appuirecherche-lrgp@univ-lorraine.fr</email></editor></titleStmt><editionStmt><edition n="v1" type="current"><date type="whenSubmitted">2016-02-18 09:35:48</date><date type="whenModified">2016-05-10 16:53:26</date><date type="whenReleased">2016-02-18 09:35:48</date><date type="whenProduced">2014-03</date></edition><respStmt><resp>contributor</resp><name key="329568"><persName><forename>LRGP</forename><surname>UL</surname></persName><email>ddoc-appuirecherche-lrgp@univ-lorraine.fr</email></name></respStmt></editionStmt><publicationStmt><distributor>CCSD</distributor><idno type="halId">hal-01275724</idno><idno type="halUri">https://hal.univ-lorraine.fr/hal-01275724</idno><idno type="halBibtex">allain:hal-01275724</idno><idno type="halRefHtml">INTERNATIONAL JOURNAL OF CHEMICAL REACTOR ENGINEERING, 2014, 12 (1), <10.1515/ijcre-2013-0116></idno><idno type="halRef">INTERNATIONAL JOURNAL OF CHEMICAL REACTOR ENGINEERING, 2014, 12 (1), <10.1515/ijcre-2013-0116></idno></publicationStmt><seriesStmt><idno type="stamp" n="UNIV-LORRAINE">Université de Lorraine</idno><idno type="stamp" n="CNRS">CNRS - Centre national de la recherche scientifique</idno><idno type="stamp" n="LRGP-UL">LRGP</idno></seriesStmt><notesStmt><note type="audience" n="2">International</note><note type="popular" n="0">No</note><note type="peer" n="1">Yes</note></notesStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Analysis of Equilibrium Shifting by Inter-Stage Reactant Feeding in a Series of Isothermal Reactors</title><author role="aut"><persName><forename type="first">Florent</forename><surname>Allain</surname></persName><idno type="halAuthorId">806616</idno><affiliation ref="#struct-211875"></affiliation></author><author role="rsp"><persName><forename type="first">Jean-François</forename><surname>Portha</surname></persName><email>jean-francois.portha@univ-lorraine.fr</email><idno type="halAuthorId">806615</idno><affiliation ref="#struct-211875"></affiliation></author><author role="rsp"><persName><forename type="first">Laurent</forename><surname>Falk</surname></persName><email>laurent.falk@univ-lorraine.fr</email><idno type="halAuthorId">806619</idno><affiliation ref="#struct-211875"></affiliation></author></analytic><monogr><idno type="halJournalId" status="INCOMING">105166</idno><title level="j">INTERNATIONAL JOURNAL OF CHEMICAL REACTOR ENGINEERING</title><imprint><biblScope unit="volume">12</biblScope><biblScope unit="issue">1</biblScope><date type="datePub">2014-03</date></imprint></monogr><idno type="doi">10.1515/ijcre-2013-0116</idno></biblStruct></sourceDesc><profileDesc><langUsage><language ident="en">English</language></langUsage><textClass><classCode scheme="halDomain" n="chim">Chemical Sciences</classCode><classCode scheme="halTypology" n="ART">Journal articles</classCode></textClass><abstract xml:lang="en">This paper focuses on the impact of reactant staging on conversion for one single reversible reaction in a two-stage, isothermal, continuous reactor. The analytical expression of global conversion has been derived for a series of two continuously stirred-tank reactors. Improvements in the overall conversion and yield by staging can be obtained for low Damkohler number systems leading to low conversions, when the volumetric flow rate of the staged reactant has a higher value than that of the other one. The example of triolein transesterification involving three reversible reactions in a two-stage plug flow reactor is also studied as a concrete example of a consecutive/parallel reversible reactions system. Results are obtained by using a pseudo-homogeneous model and are compared with those obtained with a heterogeneous model from a previous study.</abstract></profileDesc></hal></record>Pour manipuler ce document sous Unix (Dilib)
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