Multicompartment hydrodynamic model for slurry bubble columns
A core-annulus multicompartment two-dimensional two-bubble class model accounting for slurry recirculation and coupled with catalyst transport was developed as a part and parcel of the analysis of the behavior of slurry bubble column reactors at high gas throughputs corresponding to the churn turbul...
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| Veröffentlicht in: | Chemical engineering science 2008-07, Vol.63 (13), p.3379-3399 |
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| creator | Iliuta, Ion Larachi, Faı¨çal Desvigne, Damien Anfray, Jérôme Dromard, Nicolas Schweich, Daniel |
| description | A core-annulus multicompartment two-dimensional two-bubble class model accounting for slurry recirculation and coupled with catalyst transport was developed as a part and parcel of the analysis of the behavior of slurry bubble column reactors at high gas throughputs corresponding to the churn turbulent flow regime. The model analyzed the contributions of bubble-induced turbulence closures, bubble coalescence and breakup phenomena, and catalyst axial distribution as the resultant of sedimentation, advection via liquid–solid slip, per-compartment axial dispersion and core-annulus lateral exchange of catalyst by bubble-induced turbulence. The model was also used to analyze the effects of catalyst loading, gas density and superficial velocity, and column diameter and vessel aspect ratio on the hydrodynamics of slurry bubble column reactors, namely, the per-compartment phase holdups and interstitial velocities, pressure gradient, bubble coalescence and break-up rates, and loci of velocity inversion for the gas and slurry profiles. |
| doi_str_mv | 10.1016/j.ces.2008.03.040 |
| format | Article |
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The model analyzed the contributions of bubble-induced turbulence closures, bubble coalescence and breakup phenomena, and catalyst axial distribution as the resultant of sedimentation, advection via liquid–solid slip, per-compartment axial dispersion and core-annulus lateral exchange of catalyst by bubble-induced turbulence. The model was also used to analyze the effects of catalyst loading, gas density and superficial velocity, and column diameter and vessel aspect ratio on the hydrodynamics of slurry bubble column reactors, namely, the per-compartment phase holdups and interstitial velocities, pressure gradient, bubble coalescence and break-up rates, and loci of velocity inversion for the gas and slurry profiles.</description><identifier>ISSN: 0009-2509</identifier><identifier>EISSN: 1873-4405</identifier><identifier>DOI: 10.1016/j.ces.2008.03.040</identifier><identifier>CODEN: CESCAC</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Applied sciences ; Bubble coalescence and breakup ; Catalysis ; Catalytic reactions ; Chemical engineering ; Chemistry ; Exact sciences and technology ; General and physical chemistry ; Hydrodynamics ; Hydrodynamics of contact apparatus ; Liquid-liquid and fluid-solid mechanical separations ; Multicompartment modeling ; Reactors ; Sedimentation-dispersion ; Settling ; Slurry bubble column ; Theory of reactions, general kinetics. 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Nomenclature, chemical documentation, computer chemistry ; Turbulence</subject><ispartof>Chemical engineering science, 2008-07, Vol.63 (13), p.3379-3399</ispartof><rights>2008 Elsevier Ltd</rights><rights>2008 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c395t-e33d3ed7b1af3af187a842dfca82dd7ceefbf52604b25fb851ad91f98a3dd56f3</citedby><cites>FETCH-LOGICAL-c395t-e33d3ed7b1af3af187a842dfca82dd7ceefbf52604b25fb851ad91f98a3dd56f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0009250908001656$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=20482749$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Iliuta, Ion</creatorcontrib><creatorcontrib>Larachi, Faı¨çal</creatorcontrib><creatorcontrib>Desvigne, Damien</creatorcontrib><creatorcontrib>Anfray, Jérôme</creatorcontrib><creatorcontrib>Dromard, Nicolas</creatorcontrib><creatorcontrib>Schweich, Daniel</creatorcontrib><title>Multicompartment hydrodynamic model for slurry bubble columns</title><title>Chemical engineering science</title><description>A core-annulus multicompartment two-dimensional two-bubble class model accounting for slurry recirculation and coupled with catalyst transport was developed as a part and parcel of the analysis of the behavior of slurry bubble column reactors at high gas throughputs corresponding to the churn turbulent flow regime. The model analyzed the contributions of bubble-induced turbulence closures, bubble coalescence and breakup phenomena, and catalyst axial distribution as the resultant of sedimentation, advection via liquid–solid slip, per-compartment axial dispersion and core-annulus lateral exchange of catalyst by bubble-induced turbulence. The model was also used to analyze the effects of catalyst loading, gas density and superficial velocity, and column diameter and vessel aspect ratio on the hydrodynamics of slurry bubble column reactors, namely, the per-compartment phase holdups and interstitial velocities, pressure gradient, bubble coalescence and break-up rates, and loci of velocity inversion for the gas and slurry profiles.</description><subject>Applied sciences</subject><subject>Bubble coalescence and breakup</subject><subject>Catalysis</subject><subject>Catalytic reactions</subject><subject>Chemical engineering</subject><subject>Chemistry</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>Hydrodynamics</subject><subject>Hydrodynamics of contact apparatus</subject><subject>Liquid-liquid and fluid-solid mechanical separations</subject><subject>Multicompartment modeling</subject><subject>Reactors</subject><subject>Sedimentation-dispersion</subject><subject>Settling</subject><subject>Slurry bubble column</subject><subject>Theory of reactions, general kinetics. 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Nomenclature, chemical documentation, computer chemistry</subject><subject>Turbulence</subject><issn>0009-2509</issn><issn>1873-4405</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNp9kMtKxDAUhoMoOF4ewF03ums9SZppi7iQwRuMuNF1SJMTzJA2Y9IKfXs7zODS1eHA95_LR8gVhYICXd5uCo2pYAB1AbyAEo7IgtYVz8sSxDFZAECTMwHNKTlLaTO3VUVhQe7fRj84HbqtikOH_ZB9TSYGM_WqczrrgkGf2RCz5McYp6wd29ZjpoMfuz5dkBOrfMLLQz0nn0-PH6uXfP3-_Lp6WOeaN2LIkXPD0VQtVZYrO9-l6pIZq1XNjKk0om2tYEsoWyZsWwuqTENtUytujFhafk5u9nO3MXyPmAbZuaTRe9VjGJPkXCwZB5hBugd1DClFtHIbXafiJCnInSi5kbMouRMlgctZ1Jy5PgxXSStvo-q1S39BBmXNqrKZubs9h_OnPw6jTNphr9G4iHqQJrh_tvwC715_fg</recordid><startdate>20080701</startdate><enddate>20080701</enddate><creator>Iliuta, Ion</creator><creator>Larachi, Faı¨çal</creator><creator>Desvigne, Damien</creator><creator>Anfray, Jérôme</creator><creator>Dromard, Nicolas</creator><creator>Schweich, Daniel</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>L7M</scope></search><sort><creationdate>20080701</creationdate><title>Multicompartment hydrodynamic model for slurry bubble columns</title><author>Iliuta, Ion ; Larachi, Faı¨çal ; Desvigne, Damien ; Anfray, Jérôme ; Dromard, Nicolas ; Schweich, Daniel</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c395t-e33d3ed7b1af3af187a842dfca82dd7ceefbf52604b25fb851ad91f98a3dd56f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Applied sciences</topic><topic>Bubble coalescence and breakup</topic><topic>Catalysis</topic><topic>Catalytic reactions</topic><topic>Chemical engineering</topic><topic>Chemistry</topic><topic>Exact sciences and technology</topic><topic>General and physical chemistry</topic><topic>Hydrodynamics</topic><topic>Hydrodynamics of contact apparatus</topic><topic>Liquid-liquid and fluid-solid mechanical separations</topic><topic>Multicompartment modeling</topic><topic>Reactors</topic><topic>Sedimentation-dispersion</topic><topic>Settling</topic><topic>Slurry bubble column</topic><topic>Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry</topic><topic>Turbulence</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Iliuta, Ion</creatorcontrib><creatorcontrib>Larachi, Faı¨çal</creatorcontrib><creatorcontrib>Desvigne, Damien</creatorcontrib><creatorcontrib>Anfray, Jérôme</creatorcontrib><creatorcontrib>Dromard, Nicolas</creatorcontrib><creatorcontrib>Schweich, Daniel</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Chemical engineering science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Iliuta, Ion</au><au>Larachi, Faı¨çal</au><au>Desvigne, Damien</au><au>Anfray, Jérôme</au><au>Dromard, Nicolas</au><au>Schweich, Daniel</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Multicompartment hydrodynamic model for slurry bubble columns</atitle><jtitle>Chemical engineering science</jtitle><date>2008-07-01</date><risdate>2008</risdate><volume>63</volume><issue>13</issue><spage>3379</spage><epage>3399</epage><pages>3379-3399</pages><issn>0009-2509</issn><eissn>1873-4405</eissn><coden>CESCAC</coden><abstract>A core-annulus multicompartment two-dimensional two-bubble class model accounting for slurry recirculation and coupled with catalyst transport was developed as a part and parcel of the analysis of the behavior of slurry bubble column reactors at high gas throughputs corresponding to the churn turbulent flow regime. The model analyzed the contributions of bubble-induced turbulence closures, bubble coalescence and breakup phenomena, and catalyst axial distribution as the resultant of sedimentation, advection via liquid–solid slip, per-compartment axial dispersion and core-annulus lateral exchange of catalyst by bubble-induced turbulence. The model was also used to analyze the effects of catalyst loading, gas density and superficial velocity, and column diameter and vessel aspect ratio on the hydrodynamics of slurry bubble column reactors, namely, the per-compartment phase holdups and interstitial velocities, pressure gradient, bubble coalescence and break-up rates, and loci of velocity inversion for the gas and slurry profiles.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.ces.2008.03.040</doi><tpages>21</tpages></addata></record> |
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| ispartof | Chemical engineering science, 2008-07, Vol.63 (13), p.3379-3399 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Bubble coalescence and breakup Catalysis Catalytic reactions Chemical engineering Chemistry Exact sciences and technology General and physical chemistry Hydrodynamics Hydrodynamics of contact apparatus Liquid-liquid and fluid-solid mechanical separations Multicompartment modeling Reactors Sedimentation-dispersion Settling Slurry bubble column Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry Turbulence |
| title | Multicompartment hydrodynamic model for slurry bubble columns |
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