LrgpV1, PascalFrancis, Corpus, bibRecord, 000297

Characterization of impregnated particles via powder rheology

Identifieur interne : 000297 ( PascalFrancis/Corpus ); précédent : 000296; suivant : 000298

Characterization of impregnated particles via powder rheology

Auteurs : Luis F. Madariaga ; Philippe Marchal ; Christophe Castel ; Eric Favre ; Lionel Choplin

Source :

Powder technology [ 0032-5910 ] ; 2009.

RBID : Pascal:09-0433961

Descripteurs français

Pascal (Inist)
- Poudre, Génie chimique, Lit fixe, Optimisation, Imprégnation, Propriété rhéologique, Volume libre, Modélisation, Cisaillement, Vibration, Cinétique, Milieu poreux, Lit garnissage.

English descriptors

KwdEn :
- Chemical engineering, Fixed bed, Free volume, Impregnation, Kinetics, Modeling, Optimization, Packed bed, Porous medium, Powder, Rheological properties, Shear, Vibration.

Abstract

This work presents a specific application of a new powder rheometer prototype, for the characterization of liquid-impregnated particles which are used in chemical engineering for gas treatment on fixed beds. This new type of rheological characterization can provide useful information about the surface state of the particles and could contribute to the optimization of the impregnation process. The rheometer, consisting of a stress-imposed rheometer coupled with a vibrating cell, generates a Brownian-like motion at a macroscopic scale which makes the sample behave as a non-Newtonian condensed fluid, and allows rheological property measurements of powders which are very sensitive to changes on their surface. Their rheological behavior and its relationship with the impregnation ratio have been analyzed for several samples having different impregnation ratios, thanks to a free volume structural model taking into account the shear rate, the frictional stress, the granular pressure, the vibration frequency, the vibration energy, the free volume distribution and the mass of the samples. The resulting interpretation suggests a stepped kinetic of impregnation: first the liquid adsorbs on the surface of the silica matrix, then it fills progressively the pores, and finally it coats the outer surface of the particles.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

A01	`01`	`1`		`@0 0032-5910`
A02	`01`			`@0 POTEBX`
A03		`1`		`@0 Powder technol.`
A05				`@2 196`
A06				`@2 2`
A08	`01`	`1`	`ENG`	`@1 Characterization of impregnated particles via powder rheology`
A11	`01`	`1`		`@1 MADARIAGA (Luis F.)`
A11	`02`	`1`		`@1 MARCHAL (Philippe)`
A11	`03`	`1`		`@1 CASTEL (Christophe)`
A11	`04`	`1`		`@1 FAVRE (Eric)`
A11	`05`	`1`		`@1 CHOPLIN (Lionel)`
A14	`01`			`@1 GEMICO. Nancy-Université, 1 rue Grandville B.P. 20451 @2 54001 Nancy @3 FRA @Z 1 aut. @Z 2 aut. @Z 3 aut. @Z 5 aut.`
A14	`02`			`@1 LSGC, Nancy-Université, CNRS, 1 rue Grandville B.P. 20451 @2 54001 Nancy @3 FRA @Z 4 aut.`
A14	`03`			`@1 Laboratorio FIRP, lngenieríaQuimica, Universidad de los Andes @2 Mérida @3 VEN @Z 1 aut.`
A20				`@1 222-228`
A21				`@1 2009`
A23	`01`			`@0 ENG`
A43	`01`			`@1 INIST @2 13653 @5 354000170067510170`
A44				`@0 0000 @1 © 2009 INIST-CNRS. All rights reserved.`
A45				`@0 25 ref.`
A47	`01`	`1`		`@0 09-0433961`
A60				`@1 P`
A61				`@0 A`
A64	`01`	`1`		`@0 Powder technology`
A66	`01`			`@0 CHE`
C01	`01`		`ENG`	@0 This work presents a specific application of a new powder rheometer prototype, for the characterization of liquid-impregnated particles which are used in chemical engineering for gas treatment on fixed beds. This new type of rheological characterization can provide useful information about the surface state of the particles and could contribute to the optimization of the impregnation process. The rheometer, consisting of a stress-imposed rheometer coupled with a vibrating cell, generates a Brownian-like motion at a macroscopic scale which makes the sample behave as a non-Newtonian condensed fluid, and allows rheological property measurements of powders which are very sensitive to changes on their surface. Their rheological behavior and its relationship with the impregnation ratio have been analyzed for several samples having different impregnation ratios, thanks to a free volume structural model taking into account the shear rate, the frictional stress, the granular pressure, the vibration frequency, the vibration energy, the free volume distribution and the mass of the samples. The resulting interpretation suggests a stepped kinetic of impregnation: first the liquid adsorbs on the surface of the silica matrix, then it fills progressively the pores, and finally it coats the outer surface of the particles.
C02	`01`	`X`		`@0 001D07Q07`
C03	`01`	`X`	`FRE`	`@0 Poudre @5 01`
C03	`01`	`X`	`ENG`	`@0 Powder @5 01`
C03	`01`	`X`	`SPA`	`@0 Polvo @5 01`
C03	`02`	`X`	`FRE`	`@0 Génie chimique @5 02`
C03	`02`	`X`	`ENG`	`@0 Chemical engineering @5 02`
C03	`02`	`X`	`SPA`	`@0 Ingeniería química @5 02`
C03	`03`	`X`	`FRE`	`@0 Lit fixe @5 03`
C03	`03`	`X`	`ENG`	`@0 Fixed bed @5 03`
C03	`03`	`X`	`SPA`	`@0 Lecho fijo @5 03`
C03	`04`	`X`	`FRE`	`@0 Optimisation @5 04`
C03	`04`	`X`	`ENG`	`@0 Optimization @5 04`
C03	`04`	`X`	`SPA`	`@0 Optimización @5 04`
C03	`05`	`X`	`FRE`	`@0 Imprégnation @5 05`
C03	`05`	`X`	`ENG`	`@0 Impregnation @5 05`
C03	`05`	`X`	`SPA`	`@0 Impregnación @5 05`
C03	`06`	`X`	`FRE`	`@0 Propriété rhéologique @5 06`
C03	`06`	`X`	`ENG`	`@0 Rheological properties @5 06`
C03	`06`	`X`	`SPA`	`@0 Propiedad reológica @5 06`
C03	`07`	`X`	`FRE`	`@0 Volume libre @5 07`
C03	`07`	`X`	`ENG`	`@0 Free volume @5 07`
C03	`07`	`X`	`SPA`	`@0 Volumen libre @5 07`
C03	`08`	`X`	`FRE`	`@0 Modélisation @5 08`
C03	`08`	`X`	`ENG`	`@0 Modeling @5 08`
C03	`08`	`X`	`SPA`	`@0 Modelización @5 08`
C03	`09`	`X`	`FRE`	`@0 Cisaillement @5 09`
C03	`09`	`X`	`ENG`	`@0 Shear @5 09`
C03	`09`	`X`	`SPA`	`@0 Cizalladura @5 09`
C03	`10`	`X`	`FRE`	`@0 Vibration @5 10`
C03	`10`	`X`	`ENG`	`@0 Vibration @5 10`
C03	`10`	`X`	`SPA`	`@0 Vibración @5 10`
C03	`11`	`X`	`FRE`	`@0 Cinétique @5 11`
C03	`11`	`X`	`ENG`	`@0 Kinetics @5 11`
C03	`11`	`X`	`SPA`	`@0 Cinética @5 11`
C03	`12`	`X`	`FRE`	`@0 Milieu poreux @5 12`
C03	`12`	`X`	`ENG`	`@0 Porous medium @5 12`
C03	`12`	`X`	`SPA`	`@0 Medio poroso @5 12`
C03	`13`	`X`	`FRE`	`@0 Lit garnissage @5 13`
C03	`13`	`X`	`ENG`	`@0 Packed bed @5 13`
C03	`13`	`X`	`SPA`	`@0 Lecho relleno @5 13`
N21				`@1 313`
N44	`01`			`@1 OTO`
N82				`@1 OTO`

Format Inist (serveur)

NO :	PASCAL 09-0433961 INIST
ET :	Characterization of impregnated particles via powder rheology
AU :	MADARIAGA (Luis F.); MARCHAL (Philippe); CASTEL (Christophe); FAVRE (Eric); CHOPLIN (Lionel)
AF :	GEMICO. Nancy-Université, 1 rue Grandville B.P. 20451/54001 Nancy/France (1 aut., 2 aut., 3 aut., 5 aut.); LSGC, Nancy-Université, CNRS, 1 rue Grandville B.P. 20451/54001 Nancy/France (4 aut.); Laboratorio FIRP, lngenieríaQuimica, Universidad de los Andes/Mérida/Vénézuela (1 aut.)
DT :	Publication en série; Niveau analytique
SO :	Powder technology; ISSN 0032-5910; Coden POTEBX; Suisse; Da. 2009; Vol. 196; No. 2; Pp. 222-228; Bibl. 25 ref.
LA :	Anglais
EA :	This work presents a specific application of a new powder rheometer prototype, for the characterization of liquid-impregnated particles which are used in chemical engineering for gas treatment on fixed beds. This new type of rheological characterization can provide useful information about the surface state of the particles and could contribute to the optimization of the impregnation process. The rheometer, consisting of a stress-imposed rheometer coupled with a vibrating cell, generates a Brownian-like motion at a macroscopic scale which makes the sample behave as a non-Newtonian condensed fluid, and allows rheological property measurements of powders which are very sensitive to changes on their surface. Their rheological behavior and its relationship with the impregnation ratio have been analyzed for several samples having different impregnation ratios, thanks to a free volume structural model taking into account the shear rate, the frictional stress, the granular pressure, the vibration frequency, the vibration energy, the free volume distribution and the mass of the samples. The resulting interpretation suggests a stepped kinetic of impregnation: first the liquid adsorbs on the surface of the silica matrix, then it fills progressively the pores, and finally it coats the outer surface of the particles.
CC :	001D07Q07
FD :	Poudre; Génie chimique; Lit fixe; Optimisation; Imprégnation; Propriété rhéologique; Volume libre; Modélisation; Cisaillement; Vibration; Cinétique; Milieu poreux; Lit garnissage
ED :	Powder; Chemical engineering; Fixed bed; Optimization; Impregnation; Rheological properties; Free volume; Modeling; Shear; Vibration; Kinetics; Porous medium; Packed bed
SD :	Polvo; Ingeniería química; Lecho fijo; Optimización; Impregnación; Propiedad reológica; Volumen libre; Modelización; Cizalladura; Vibración; Cinética; Medio poroso; Lecho relleno
LO :	INIST-13653.354000170067510170
ID :	09-0433961

Links to Exploration step

Pascal:09-0433961

Le document en format XML

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<front><div type="abstract" xml:lang="en">This work presents a specific application of a new powder rheometer prototype, for the characterization of liquid-impregnated particles which are used in chemical engineering for gas treatment on fixed beds. This new type of rheological characterization can provide useful information about the surface state of the particles and could contribute to the optimization of the impregnation process. The rheometer, consisting of a stress-imposed rheometer coupled with a vibrating cell, generates a Brownian-like motion at a macroscopic scale which makes the sample behave as a non-Newtonian condensed fluid, and allows rheological property measurements of powders which are very sensitive to changes on their surface. Their rheological behavior and its relationship with the impregnation ratio have been analyzed for several samples having different impregnation ratios, thanks to a free volume structural model taking into account the shear rate, the frictional stress, the granular pressure, the vibration frequency, the vibration energy, the free volume distribution and the mass of the samples. The resulting interpretation suggests a stepped kinetic of impregnation: first the liquid adsorbs on the surface of the silica matrix, then it fills progressively the pores, and finally it coats the outer surface of the particles.</div>
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<fC01 i1="01" l="ENG"><s0>This work presents a specific application of a new powder rheometer prototype, for the characterization of liquid-impregnated particles which are used in chemical engineering for gas treatment on fixed beds. This new type of rheological characterization can provide useful information about the surface state of the particles and could contribute to the optimization of the impregnation process. The rheometer, consisting of a stress-imposed rheometer coupled with a vibrating cell, generates a Brownian-like motion at a macroscopic scale which makes the sample behave as a non-Newtonian condensed fluid, and allows rheological property measurements of powders which are very sensitive to changes on their surface. Their rheological behavior and its relationship with the impregnation ratio have been analyzed for several samples having different impregnation ratios, thanks to a free volume structural model taking into account the shear rate, the frictional stress, the granular pressure, the vibration frequency, the vibration energy, the free volume distribution and the mass of the samples. The resulting interpretation suggests a stepped kinetic of impregnation: first the liquid adsorbs on the surface of the silica matrix, then it fills progressively the pores, and finally it coats the outer surface of the particles.</s0>
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<s5>04</s5>
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<fC03 i1="04" i2="X" l="SPA"><s0>Optimización</s0>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="X" l="FRE"><s0>Imprégnation</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="ENG"><s0>Impregnation</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="SPA"><s0>Impregnación</s0>
<s5>05</s5>
</fC03>
<fC03 i1="06" i2="X" l="FRE"><s0>Propriété rhéologique</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG"><s0>Rheological properties</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA"><s0>Propiedad reológica</s0>
<s5>06</s5>
</fC03>
<fC03 i1="07" i2="X" l="FRE"><s0>Volume libre</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG"><s0>Free volume</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA"><s0>Volumen libre</s0>
<s5>07</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE"><s0>Modélisation</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG"><s0>Modeling</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA"><s0>Modelización</s0>
<s5>08</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE"><s0>Cisaillement</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG"><s0>Shear</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>Cizalladura</s0>
<s5>09</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE"><s0>Vibration</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG"><s0>Vibration</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA"><s0>Vibración</s0>
<s5>10</s5>
</fC03>
<fC03 i1="11" i2="X" l="FRE"><s0>Cinétique</s0>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="X" l="ENG"><s0>Kinetics</s0>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="X" l="SPA"><s0>Cinética</s0>
<s5>11</s5>
</fC03>
<fC03 i1="12" i2="X" l="FRE"><s0>Milieu poreux</s0>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="X" l="ENG"><s0>Porous medium</s0>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="X" l="SPA"><s0>Medio poroso</s0>
<s5>12</s5>
</fC03>
<fC03 i1="13" i2="X" l="FRE"><s0>Lit garnissage</s0>
<s5>13</s5>
</fC03>
<fC03 i1="13" i2="X" l="ENG"><s0>Packed bed</s0>
<s5>13</s5>
</fC03>
<fC03 i1="13" i2="X" l="SPA"><s0>Lecho relleno</s0>
<s5>13</s5>
</fC03>
<fN21><s1>313</s1>
</fN21>
<fN44 i1="01"><s1>OTO</s1>
</fN44>
<fN82><s1>OTO</s1>
</fN82>
</pA>
</standard>
<server><NO>PASCAL 09-0433961 INIST</NO>
<ET>Characterization of impregnated particles via powder rheology</ET>
<AU>MADARIAGA (Luis F.); MARCHAL (Philippe); CASTEL (Christophe); FAVRE (Eric); CHOPLIN (Lionel)</AU>
<AF>GEMICO. Nancy-Université, 1 rue Grandville B.P. 20451/54001 Nancy/France (1 aut., 2 aut., 3 aut., 5 aut.); LSGC, Nancy-Université, CNRS, 1 rue Grandville B.P. 20451/54001 Nancy/France (4 aut.); Laboratorio FIRP, lngenieríaQuimica, Universidad de los Andes/Mérida/Vénézuela (1 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Powder technology; ISSN 0032-5910; Coden POTEBX; Suisse; Da. 2009; Vol. 196; No. 2; Pp. 222-228; Bibl. 25 ref.</SO>
<LA>Anglais</LA>
<EA>This work presents a specific application of a new powder rheometer prototype, for the characterization of liquid-impregnated particles which are used in chemical engineering for gas treatment on fixed beds. This new type of rheological characterization can provide useful information about the surface state of the particles and could contribute to the optimization of the impregnation process. The rheometer, consisting of a stress-imposed rheometer coupled with a vibrating cell, generates a Brownian-like motion at a macroscopic scale which makes the sample behave as a non-Newtonian condensed fluid, and allows rheological property measurements of powders which are very sensitive to changes on their surface. Their rheological behavior and its relationship with the impregnation ratio have been analyzed for several samples having different impregnation ratios, thanks to a free volume structural model taking into account the shear rate, the frictional stress, the granular pressure, the vibration frequency, the vibration energy, the free volume distribution and the mass of the samples. The resulting interpretation suggests a stepped kinetic of impregnation: first the liquid adsorbs on the surface of the silica matrix, then it fills progressively the pores, and finally it coats the outer surface of the particles.</EA>
<CC>001D07Q07</CC>
<FD>Poudre; Génie chimique; Lit fixe; Optimisation; Imprégnation; Propriété rhéologique; Volume libre; Modélisation; Cisaillement; Vibration; Cinétique; Milieu poreux; Lit garnissage</FD>
<ED>Powder; Chemical engineering; Fixed bed; Optimization; Impregnation; Rheological properties; Free volume; Modeling; Shear; Vibration; Kinetics; Porous medium; Packed bed</ED>
<SD>Polvo; Ingeniería química; Lecho fijo; Optimización; Impregnación; Propiedad reológica; Volumen libre; Modelización; Cizalladura; Vibración; Cinética; Medio poroso; Lecho relleno</SD>
<LO>INIST-13653.354000170067510170</LO>
<ID>09-0433961</ID>
</server>
</inist>
</record>

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Characterization of impregnated particles via powder rheology

Characterization of impregnated particles via powder rheology

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