LrgpV1, Main, Exploration, bibRecord, 002954

Gas‐liauid mass transfer in non‐newtonian fluids in a tank stirred with a helical ribbon screw impeller

Identifieur interne : 002954 ( Main/Exploration ); précédent : 002953; suivant : 002955

Gas‐liauid mass transfer in non‐newtonian fluids in a tank stirred with a helical ribbon screw impeller

Auteurs : A. Tecante [Mexique] ; L. Choplin [France]

Source :

The Canadian Journal of Chemical Engineering [ 0008-4034 ] ; 1993-12.

RBID : ISTEX:A2786C12E184105AACDBD544849E1641C9543A73

Descripteurs français

Wicri :
- topic : Polymère.

English descriptors

Abstract

Oxygen transfer in aqueous solutions of CMC, xanthan gum, and polyacrylamide in a vessel equipped with a helical ribbon screw impeller and a multi‐orifice ring sparger was studied. The KLa values obtained were comparable to those reported for radial flow impellers, but they are more representative of the oxygen transfer in the bulk of the liquid because of a more homogeneous mixing and absence of dead zones. Dimensionless correlations including the effect of the physical properties of the fluids, and those of operating conditions were developed. A dimensionless correlation for each fluid is proposed.

Url:

https://api.istex.fr/document/A2786C12E184105AACDBD544849E1641C9543A73/fulltext/pdf

DOI: 10.1002/cjce.5450710606

Affiliations:

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

to stream Istex, to step Corpus: 000125
to stream Istex, to step Curation: 000125
to stream Istex, to step Checkpoint: 001105
to stream Main, to step Merge: 002F32
to stream Main, to step Curation: 002954

Le document en format XML

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<author><name sortKey="Tecante, A" sort="Tecante, A" uniqKey="Tecante A" first="A." last="Tecante">A. Tecante</name>
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<author><name sortKey="Choplin, L" sort="Choplin, L" uniqKey="Choplin L" first="L." last="Choplin">L. Choplin</name>
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<wicri:regionArea>Current Address: GEMICO‐ENSIC, 1 rue Grandville, B.P. 451, Nancy. 54001</wicri:regionArea>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aeration conditions</term>
<term>Aeration performance</term>
<term>Agitation speed</term>
<term>Agitation speeds</term>
<term>Agitator</term>
<term>Apparent viscosity</term>
<term>Aqueous solutions</term>
<term>Broth</term>
<term>Bubble column</term>
<term>Canadian journal</term>
<term>Chem</term>
<term>Chemical engineering</term>
<term>Coefficient</term>
<term>Consistency index</term>
<term>Correlation coefficient</term>
<term>Dead zones</term>
<term>December</term>
<term>Dimensionless correlation</term>
<term>Dimensionless correlations</term>
<term>Disk turbines</term>
<term>Experimental response</term>
<term>Flow behavior index</term>
<term>Flow rate</term>
<term>Flow rates</term>
<term>Fluid motion</term>
<term>Geometric ratios</term>
<term>Greater dependence</term>
<term>Greater dispersion</term>
<term>Helical</term>
<term>Helical ribbon screw impeller</term>
<term>Higher agitation speeds</term>
<term>Higher power inputs</term>
<term>Impeller</term>
<term>Impeller reynolds number</term>
<term>Intermig agitators</term>
<term>Liquid film</term>
<term>Liquid phase</term>
<term>Lower power inputs</term>
<term>Mass transfer</term>
<term>Mass transfer performance</term>
<term>More representative</term>
<term>Oxygen concentration</term>
<term>Oxygen probe</term>
<term>Oxygen transfer</term>
<term>Physical properties</term>
<term>Polymer</term>
<term>Polymer concentration</term>
<term>Polymer solutions</term>
<term>Power input</term>
<term>Power inputs</term>
<term>Radial flow impellers</term>
<term>Regression coefficient</term>
<term>Rheological</term>
<term>Rheological properties</term>
<term>Ring sparger</term>
<term>Schmidt number</term>
<term>Shear viscosity</term>
<term>Small bubbles</term>
<term>Sparger</term>
<term>Step change</term>
<term>Vessel wall</term>
<term>Volumetric</term>
<term>Volumetric mass transfer coefficient</term>
<term>Weak capacity</term>
<term>Xanthan</term>
<term>Xanthan production</term>
</keywords>
<keywords scheme="Teeft" xml:lang="en"><term>Aeration conditions</term>
<term>Aeration performance</term>
<term>Agitation speed</term>
<term>Agitation speeds</term>
<term>Agitator</term>
<term>Apparent viscosity</term>
<term>Aqueous solutions</term>
<term>Broth</term>
<term>Bubble column</term>
<term>Canadian journal</term>
<term>Chem</term>
<term>Chemical engineering</term>
<term>Coefficient</term>
<term>Consistency index</term>
<term>Correlation coefficient</term>
<term>Dead zones</term>
<term>December</term>
<term>Dimensionless correlation</term>
<term>Dimensionless correlations</term>
<term>Disk turbines</term>
<term>Experimental response</term>
<term>Flow behavior index</term>
<term>Flow rate</term>
<term>Flow rates</term>
<term>Fluid motion</term>
<term>Geometric ratios</term>
<term>Greater dependence</term>
<term>Greater dispersion</term>
<term>Helical</term>
<term>Helical ribbon screw impeller</term>
<term>Higher agitation speeds</term>
<term>Higher power inputs</term>
<term>Impeller</term>
<term>Impeller reynolds number</term>
<term>Intermig agitators</term>
<term>Liquid film</term>
<term>Liquid phase</term>
<term>Lower power inputs</term>
<term>Mass transfer</term>
<term>Mass transfer performance</term>
<term>More representative</term>
<term>Oxygen concentration</term>
<term>Oxygen probe</term>
<term>Oxygen transfer</term>
<term>Physical properties</term>
<term>Polymer</term>
<term>Polymer concentration</term>
<term>Polymer solutions</term>
<term>Power input</term>
<term>Power inputs</term>
<term>Radial flow impellers</term>
<term>Regression coefficient</term>
<term>Rheological</term>
<term>Rheological properties</term>
<term>Ring sparger</term>
<term>Schmidt number</term>
<term>Shear viscosity</term>
<term>Small bubbles</term>
<term>Sparger</term>
<term>Step change</term>
<term>Vessel wall</term>
<term>Volumetric</term>
<term>Volumetric mass transfer coefficient</term>
<term>Weak capacity</term>
<term>Xanthan</term>
<term>Xanthan production</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Polymère</term>
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<front><div type="abstract" xml:lang="en">Oxygen transfer in aqueous solutions of CMC, xanthan gum, and polyacrylamide in a vessel equipped with a helical ribbon screw impeller and a multi‐orifice ring sparger was studied. The KLa values obtained were comparable to those reported for radial flow impellers, but they are more representative of the oxygen transfer in the bulk of the liquid because of a more homogeneous mixing and absence of dead zones. Dimensionless correlations including the effect of the physical properties of the fluids, and those of operating conditions were developed. A dimensionless correlation for each fluid is proposed.</div>
</front>
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<affiliations><list><country><li>France</li>
<li>Mexique</li>
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<region><li>Grand Est</li>
<li>Lorraine (région)</li>
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<tree><country name="Mexique"><noRegion><name sortKey="Tecante, A" sort="Tecante, A" uniqKey="Tecante A" first="A." last="Tecante">A. Tecante</name>
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<country name="France"><region name="Grand Est"><name sortKey="Choplin, L" sort="Choplin, L" uniqKey="Choplin L" first="L." last="Choplin">L. Choplin</name>
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Gas‐liauid mass transfer in non‐newtonian fluids in a tank stirred with a helical ribbon screw impeller

Gas‐liauid mass transfer in non‐newtonian fluids in a tank stirred with a helical ribbon screw impeller

Source :

Descripteurs français

English descriptors

Abstract

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

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri