Simultaneous effect of particle size and solid concentration on the hydrodynamics of slurry bubble column reactors
The simultaneous effect of particle size and concentration on the total gas holdup of slurry bubble column reactors was investigated in this work. The total gas holdup was measured for air–water–glass beads systems. Three solid concentrations and three particle diameters were used. It was found that...
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| Veröffentlicht in: | AIChE journal 2020-02, Vol.66 (2), p.n/a |
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| creator | Lakhdissi, El Mahdi Soleimani, Iman Guy, Christophe Chaouki, Jamal |
| description | The simultaneous effect of particle size and concentration on the total gas holdup of slurry bubble column reactors was investigated in this work. The total gas holdup was measured for air–water–glass beads systems. Three solid concentrations and three particle diameters were used. It was found that increasing particle size at high constant concentration decreases gas holdup. Moreover, increasing solid concentration decreases gas holdup and this decreasing effect is higher for larger particles. Also, solid particles have two effects on hydrodynamics, namely, changing the viscosity and density of the liquid phase as well as hindering the bubbles from rising within the column by the collision phenomenon. Therefore, a novel correcting factor was introduced to correct the gas holdup. The hindering factor considers both the collision efficiency affected by the particle size as well as the solid concentration. A novel correlation was developed to predict the experimental data of the three‐phase gas holdup. |
| doi_str_mv | 10.1002/aic.16813 |
| format | Article |
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The total gas holdup was measured for air–water–glass beads systems. Three solid concentrations and three particle diameters were used. It was found that increasing particle size at high constant concentration decreases gas holdup. Moreover, increasing solid concentration decreases gas holdup and this decreasing effect is higher for larger particles. Also, solid particles have two effects on hydrodynamics, namely, changing the viscosity and density of the liquid phase as well as hindering the bubbles from rising within the column by the collision phenomenon. Therefore, a novel correcting factor was introduced to correct the gas holdup. The hindering factor considers both the collision efficiency affected by the particle size as well as the solid concentration. A novel correlation was developed to predict the experimental data of the three‐phase gas holdup.</description><identifier>ISSN: 0001-1541</identifier><identifier>EISSN: 1547-5905</identifier><identifier>DOI: 10.1002/aic.16813</identifier><language>eng</language><publisher>Hoboken, USA: John Wiley & Sons, Inc</publisher><subject>Beads ; Bubble columns ; collision efficiency ; Diameters ; dimensional analysis ; Fluid dynamics ; Fluid flow ; Fluid mechanics ; Glass beads ; Hydrodynamics ; Liquid phases ; Particle size ; Reactors ; Slurries ; slurry bubble column ; solid concentration ; Viscosity</subject><ispartof>AIChE journal, 2020-02, Vol.66 (2), p.n/a</ispartof><rights>2019 American Institute of Chemical Engineers</rights><rights>2020 American Institute of Chemical Engineers</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3343-ef96e17cc537b979cdf8ac465bcaff1b86cf5db9a13b20c0a6dcd6a734b375eb3</citedby><cites>FETCH-LOGICAL-c3343-ef96e17cc537b979cdf8ac465bcaff1b86cf5db9a13b20c0a6dcd6a734b375eb3</cites><orcidid>0000-0001-8353-6924</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Faic.16813$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Faic.16813$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids></links><search><creatorcontrib>Lakhdissi, El Mahdi</creatorcontrib><creatorcontrib>Soleimani, Iman</creatorcontrib><creatorcontrib>Guy, Christophe</creatorcontrib><creatorcontrib>Chaouki, Jamal</creatorcontrib><title>Simultaneous effect of particle size and solid concentration on the hydrodynamics of slurry bubble column reactors</title><title>AIChE journal</title><description>The simultaneous effect of particle size and concentration on the total gas holdup of slurry bubble column reactors was investigated in this work. The total gas holdup was measured for air–water–glass beads systems. Three solid concentrations and three particle diameters were used. It was found that increasing particle size at high constant concentration decreases gas holdup. Moreover, increasing solid concentration decreases gas holdup and this decreasing effect is higher for larger particles. Also, solid particles have two effects on hydrodynamics, namely, changing the viscosity and density of the liquid phase as well as hindering the bubbles from rising within the column by the collision phenomenon. Therefore, a novel correcting factor was introduced to correct the gas holdup. The hindering factor considers both the collision efficiency affected by the particle size as well as the solid concentration. A novel correlation was developed to predict the experimental data of the three‐phase gas holdup.</description><subject>Beads</subject><subject>Bubble columns</subject><subject>collision efficiency</subject><subject>Diameters</subject><subject>dimensional analysis</subject><subject>Fluid dynamics</subject><subject>Fluid flow</subject><subject>Fluid mechanics</subject><subject>Glass beads</subject><subject>Hydrodynamics</subject><subject>Liquid phases</subject><subject>Particle size</subject><subject>Reactors</subject><subject>Slurries</subject><subject>slurry bubble column</subject><subject>solid concentration</subject><subject>Viscosity</subject><issn>0001-1541</issn><issn>1547-5905</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp1kEtLxDAUhYMoOI4u_AcBVy46kzRNH8th8DEw4EJdh-Q2YTK0zZikSP31RutWuHC5l--cAwehW0pWlJB8LS2saFlTdoYWlBdVxhvCz9GCEEKz9KCX6CqEY7ryqs4XyL_afuyiHLQbA9bGaIjYGXySPlroNA72S2M5tDi4zrYY3AB6iF5G6wacJh40Pkytd-00yN5C-FGHbvR-wmpUKlmA68Z-wF5LiM6Ha3RhZBf0zd9eovfHh7ftc7Z_edptN_sMGCtYpk1TaloBcFappmqgNbWEouQKpDFU1SUY3qpGUqZyAkSWLbSlrFihWMW1Ykt0N_uevPsYdYji6EY_pEiRM8Z4URaMJOp-psC7ELw24uRtL_0kKBE_lYpUqfitNLHrmf20nZ7-B8Vmt50V3xZlexQ</recordid><startdate>202002</startdate><enddate>202002</enddate><creator>Lakhdissi, El Mahdi</creator><creator>Soleimani, Iman</creator><creator>Guy, Christophe</creator><creator>Chaouki, Jamal</creator><general>John Wiley & Sons, Inc</general><general>American Institute of Chemical Engineers</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>7U5</scope><scope>8FD</scope><scope>C1K</scope><scope>L7M</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0001-8353-6924</orcidid></search><sort><creationdate>202002</creationdate><title>Simultaneous effect of particle size and solid concentration on the hydrodynamics of slurry bubble column reactors</title><author>Lakhdissi, El Mahdi ; Soleimani, Iman ; Guy, Christophe ; Chaouki, Jamal</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3343-ef96e17cc537b979cdf8ac465bcaff1b86cf5db9a13b20c0a6dcd6a734b375eb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Beads</topic><topic>Bubble columns</topic><topic>collision efficiency</topic><topic>Diameters</topic><topic>dimensional analysis</topic><topic>Fluid dynamics</topic><topic>Fluid flow</topic><topic>Fluid mechanics</topic><topic>Glass beads</topic><topic>Hydrodynamics</topic><topic>Liquid phases</topic><topic>Particle size</topic><topic>Reactors</topic><topic>Slurries</topic><topic>slurry bubble column</topic><topic>solid concentration</topic><topic>Viscosity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lakhdissi, El Mahdi</creatorcontrib><creatorcontrib>Soleimani, Iman</creatorcontrib><creatorcontrib>Guy, Christophe</creatorcontrib><creatorcontrib>Chaouki, Jamal</creatorcontrib><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Environment Abstracts</collection><jtitle>AIChE journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lakhdissi, El Mahdi</au><au>Soleimani, Iman</au><au>Guy, Christophe</au><au>Chaouki, Jamal</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Simultaneous effect of particle size and solid concentration on the hydrodynamics of slurry bubble column reactors</atitle><jtitle>AIChE journal</jtitle><date>2020-02</date><risdate>2020</risdate><volume>66</volume><issue>2</issue><epage>n/a</epage><issn>0001-1541</issn><eissn>1547-5905</eissn><abstract>The simultaneous effect of particle size and concentration on the total gas holdup of slurry bubble column reactors was investigated in this work. The total gas holdup was measured for air–water–glass beads systems. Three solid concentrations and three particle diameters were used. It was found that increasing particle size at high constant concentration decreases gas holdup. Moreover, increasing solid concentration decreases gas holdup and this decreasing effect is higher for larger particles. Also, solid particles have two effects on hydrodynamics, namely, changing the viscosity and density of the liquid phase as well as hindering the bubbles from rising within the column by the collision phenomenon. Therefore, a novel correcting factor was introduced to correct the gas holdup. The hindering factor considers both the collision efficiency affected by the particle size as well as the solid concentration. A novel correlation was developed to predict the experimental data of the three‐phase gas holdup.</abstract><cop>Hoboken, USA</cop><pub>John Wiley & Sons, Inc</pub><doi>10.1002/aic.16813</doi><tpages>16</tpages><orcidid>https://orcid.org/0000-0001-8353-6924</orcidid></addata></record> |
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| subjects | Beads Bubble columns collision efficiency Diameters dimensional analysis Fluid dynamics Fluid flow Fluid mechanics Glass beads Hydrodynamics Liquid phases Particle size Reactors Slurries slurry bubble column solid concentration Viscosity |
| title | Simultaneous effect of particle size and solid concentration on the hydrodynamics of slurry bubble column reactors |
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