LrgpV1, PascalFrancis, Corpus, bibRecord, 000331

Photocatalytic degradation of gaseous 1-propanol using an annular reactor : Kinetic modelling and pathways

Identifieur interne : 000331 ( PascalFrancis/Corpus ); précédent : 000330; suivant : 000332

Photocatalytic degradation of gaseous 1-propanol using an annular reactor : Kinetic modelling and pathways

Auteurs : G. Vincent ; P. M. Marquaire ; O. Zahraa

Source :

Journal of hazardous materials [ 0304-3894 ] ; 2009.

RBID : Pascal:09-0147586

Descripteurs français

Pascal (Inist)
- Dégradation photochimique, Réacteur photochimique, Modèle cinétique, Photocatalyse, Oxydation, Pollution, Décontamination, Composé organique volatil, Réacteur catalytique, Réacteur parfaitement agité, Paramètre cinétique, Polluant, Teneur eau, Produit réaction, Modélisation, Adsorption, Devenir polluant.

English descriptors

KwdEn :
- Adsorption, Catalytic reactor, Continuous stirred tank reactor, Decontamination, Kinetic model, Kinetic parameter, Modeling, Oxidation, Photocatalysis, Photochemical degradation, Photochemical reactor, Pollutant, Pollutant behavior, Pollution, Reaction product, Volatile organic compound, Water content.

Abstract

Photocatalytic oxidation of airborne contaminants appears to be a promising process for remediation of air polluted by Volatile Organic Compounds (VOCs). In the present work, the photocatalytic oxidation of gaseous 1-propanol has been investigated by using an annular photoreactor. The annular photocatalytic reactor was modelled by a cascade of heightened elementary continuously stirred tank reactors. The influence of several kinetic parameters such as pollutant concentration, incident light irradiance, contact time and humidity content has been studied. The photocatalytic degradation by-products of 1-propanol has been identified in the gas-phase by GC/MS. Propionaldehyde and acetaldehyde were found to be the main gaseous intermediates. Propionaldehyde and acetaldehyde have been taken into account in a "two-site model" to evaluate the possible competition of adsorption between 1-propanol and its by-products of degradation. A mechanistic pathway is then proposed for the photocatalytic degradation of 1-propanol.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A11	`03`	`1`		`@1 ZAHRAA (O.)`
A14	`01`			`@1 Département de Chimie Physique des Réactions, UMR 7630 CNRS, Nancy-Université, ENSIC, 1 rue Grandville, BP 20451 @2 54001 Nancy @3 FRA @Z 1 aut. @Z 2 aut. @Z 3 aut.`
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C01	`01`		`ENG`	@0 Photocatalytic oxidation of airborne contaminants appears to be a promising process for remediation of air polluted by Volatile Organic Compounds (VOCs). In the present work, the photocatalytic oxidation of gaseous 1-propanol has been investigated by using an annular photoreactor. The annular photocatalytic reactor was modelled by a cascade of heightened elementary continuously stirred tank reactors. The influence of several kinetic parameters such as pollutant concentration, incident light irradiance, contact time and humidity content has been studied. The photocatalytic degradation by-products of 1-propanol has been identified in the gas-phase by GC/MS. Propionaldehyde and acetaldehyde were found to be the main gaseous intermediates. Propionaldehyde and acetaldehyde have been taken into account in a "two-site model" to evaluate the possible competition of adsorption between 1-propanol and its by-products of degradation. A mechanistic pathway is then proposed for the photocatalytic degradation of 1-propanol.
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Format Inist (serveur)

NO :	PASCAL 09-0147586 INIST
ET :	Photocatalytic degradation of gaseous 1-propanol using an annular reactor : Kinetic modelling and pathways
AU :	VINCENT (G.); MARQUAIRE (P. M.); ZAHRAA (O.)
AF :	Département de Chimie Physique des Réactions, UMR 7630 CNRS, Nancy-Université, ENSIC, 1 rue Grandville, BP 20451/54001 Nancy/France (1 aut., 2 aut., 3 aut.)
DT :	Publication en série; Niveau analytique
SO :	Journal of hazardous materials; ISSN 0304-3894; Coden JHMAD9; Pays-Bas; Da. 2009; Vol. 161; No. 2-3; Pp. 1173-1181; Bibl. 32 ref.
LA :	Anglais
EA :	Photocatalytic oxidation of airborne contaminants appears to be a promising process for remediation of air polluted by Volatile Organic Compounds (VOCs). In the present work, the photocatalytic oxidation of gaseous 1-propanol has been investigated by using an annular photoreactor. The annular photocatalytic reactor was modelled by a cascade of heightened elementary continuously stirred tank reactors. The influence of several kinetic parameters such as pollutant concentration, incident light irradiance, contact time and humidity content has been studied. The photocatalytic degradation by-products of 1-propanol has been identified in the gas-phase by GC/MS. Propionaldehyde and acetaldehyde were found to be the main gaseous intermediates. Propionaldehyde and acetaldehyde have been taken into account in a "two-site model" to evaluate the possible competition of adsorption between 1-propanol and its by-products of degradation. A mechanistic pathway is then proposed for the photocatalytic degradation of 1-propanol.
CC :	001D16; 001D07H; 001C01A03B; 001D07K
FD :	Dégradation photochimique; Réacteur photochimique; Modèle cinétique; Photocatalyse; Oxydation; Pollution; Décontamination; Composé organique volatil; Réacteur catalytique; Réacteur parfaitement agité; Paramètre cinétique; Polluant; Teneur eau; Produit réaction; Modélisation; Adsorption; Devenir polluant
FG :	Composé organique
ED :	Photochemical degradation; Photochemical reactor; Kinetic model; Photocatalysis; Oxidation; Pollution; Decontamination; Volatile organic compound; Catalytic reactor; Continuous stirred tank reactor; Kinetic parameter; Pollutant; Water content; Reaction product; Modeling; Adsorption; Pollutant behavior
EG :	Organic compounds
SD :	Degradación fotoquímica; Reactor fotoquímico; Modelo cinético; Fotocatálisis; Oxidación; Polución; Descontaminación; Compuesto orgánico volátil; Reactor catalítico; Reactor perfectamente agitado; Parámetro cinético; Contaminante; Dosis agua; Producto reacción; Modelización; Adsorción; Evolución contaminante
LO :	INIST-15708.354000185548820780
ID :	09-0147586

Links to Exploration step

Pascal:09-0147586

Le document en format XML

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<front><div type="abstract" xml:lang="en">Photocatalytic oxidation of airborne contaminants appears to be a promising process for remediation of air polluted by Volatile Organic Compounds (VOCs). In the present work, the photocatalytic oxidation of gaseous 1-propanol has been investigated by using an annular photoreactor. The annular photocatalytic reactor was modelled by a cascade of heightened elementary continuously stirred tank reactors. The influence of several kinetic parameters such as pollutant concentration, incident light irradiance, contact time and humidity content has been studied. The photocatalytic degradation by-products of 1-propanol has been identified in the gas-phase by GC/MS. Propionaldehyde and acetaldehyde were found to be the main gaseous intermediates. Propionaldehyde and acetaldehyde have been taken into account in a "two-site model" to evaluate the possible competition of adsorption between 1-propanol and its by-products of degradation. A mechanistic pathway is then proposed for the photocatalytic degradation of 1-propanol.</div>
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<fC03 i1="06" i2="X" l="SPA"><s0>Polución</s0>
<s5>06</s5>
</fC03>
<fC03 i1="07" i2="X" l="FRE"><s0>Décontamination</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG"><s0>Decontamination</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA"><s0>Descontaminación</s0>
<s5>07</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE"><s0>Composé organique volatil</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG"><s0>Volatile organic compound</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA"><s0>Compuesto orgánico volátil</s0>
<s5>08</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE"><s0>Réacteur catalytique</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG"><s0>Catalytic reactor</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>Reactor catalítico</s0>
<s5>09</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE"><s0>Réacteur parfaitement agité</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG"><s0>Continuous stirred tank reactor</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA"><s0>Reactor perfectamente agitado</s0>
<s5>10</s5>
</fC03>
<fC03 i1="11" i2="X" l="FRE"><s0>Paramètre cinétique</s0>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="X" l="ENG"><s0>Kinetic parameter</s0>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="X" l="SPA"><s0>Parámetro cinético</s0>
<s5>11</s5>
</fC03>
<fC03 i1="12" i2="X" l="FRE"><s0>Polluant</s0>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="X" l="ENG"><s0>Pollutant</s0>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="X" l="SPA"><s0>Contaminante</s0>
<s5>12</s5>
</fC03>
<fC03 i1="13" i2="X" l="FRE"><s0>Teneur eau</s0>
<s5>13</s5>
</fC03>
<fC03 i1="13" i2="X" l="ENG"><s0>Water content</s0>
<s5>13</s5>
</fC03>
<fC03 i1="13" i2="X" l="SPA"><s0>Dosis agua</s0>
<s5>13</s5>
</fC03>
<fC03 i1="14" i2="X" l="FRE"><s0>Produit réaction</s0>
<s5>14</s5>
</fC03>
<fC03 i1="14" i2="X" l="ENG"><s0>Reaction product</s0>
<s5>14</s5>
</fC03>
<fC03 i1="14" i2="X" l="SPA"><s0>Producto reacción</s0>
<s5>14</s5>
</fC03>
<fC03 i1="15" i2="X" l="FRE"><s0>Modélisation</s0>
<s5>15</s5>
</fC03>
<fC03 i1="15" i2="X" l="ENG"><s0>Modeling</s0>
<s5>15</s5>
</fC03>
<fC03 i1="15" i2="X" l="SPA"><s0>Modelización</s0>
<s5>15</s5>
</fC03>
<fC03 i1="16" i2="X" l="FRE"><s0>Adsorption</s0>
<s5>16</s5>
</fC03>
<fC03 i1="16" i2="X" l="ENG"><s0>Adsorption</s0>
<s5>16</s5>
</fC03>
<fC03 i1="16" i2="X" l="SPA"><s0>Adsorción</s0>
<s5>16</s5>
</fC03>
<fC03 i1="17" i2="X" l="FRE"><s0>Devenir polluant</s0>
<s5>17</s5>
</fC03>
<fC03 i1="17" i2="X" l="ENG"><s0>Pollutant behavior</s0>
<s5>17</s5>
</fC03>
<fC03 i1="17" i2="X" l="SPA"><s0>Evolución contaminante</s0>
<s5>17</s5>
</fC03>
<fC07 i1="01" i2="X" l="FRE"><s0>Composé organique</s0>
<s2>NA</s2>
<s5>18</s5>
</fC07>
<fC07 i1="01" i2="X" l="ENG"><s0>Organic compounds</s0>
<s2>NA</s2>
<s5>18</s5>
</fC07>
<fC07 i1="01" i2="X" l="SPA"><s0>Compuesto orgánico</s0>
<s2>NA</s2>
<s5>18</s5>
</fC07>
<fN21><s1>103</s1>
</fN21>
<fN44 i1="01"><s1>OTO</s1>
</fN44>
<fN82><s1>OTO</s1>
</fN82>
</pA>
</standard>
<server><NO>PASCAL 09-0147586 INIST</NO>
<ET>Photocatalytic degradation of gaseous 1-propanol using an annular reactor : Kinetic modelling and pathways</ET>
<AU>VINCENT (G.); MARQUAIRE (P. M.); ZAHRAA (O.)</AU>
<AF>Département de Chimie Physique des Réactions, UMR 7630 CNRS, Nancy-Université, ENSIC, 1 rue Grandville, BP 20451/54001 Nancy/France (1 aut., 2 aut., 3 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Journal of hazardous materials; ISSN 0304-3894; Coden JHMAD9; Pays-Bas; Da. 2009; Vol. 161; No. 2-3; Pp. 1173-1181; Bibl. 32 ref.</SO>
<LA>Anglais</LA>
<EA>Photocatalytic oxidation of airborne contaminants appears to be a promising process for remediation of air polluted by Volatile Organic Compounds (VOCs). In the present work, the photocatalytic oxidation of gaseous 1-propanol has been investigated by using an annular photoreactor. The annular photocatalytic reactor was modelled by a cascade of heightened elementary continuously stirred tank reactors. The influence of several kinetic parameters such as pollutant concentration, incident light irradiance, contact time and humidity content has been studied. The photocatalytic degradation by-products of 1-propanol has been identified in the gas-phase by GC/MS. Propionaldehyde and acetaldehyde were found to be the main gaseous intermediates. Propionaldehyde and acetaldehyde have been taken into account in a "two-site model" to evaluate the possible competition of adsorption between 1-propanol and its by-products of degradation. A mechanistic pathway is then proposed for the photocatalytic degradation of 1-propanol.</EA>
<CC>001D16; 001D07H; 001C01A03B; 001D07K</CC>
<FD>Dégradation photochimique; Réacteur photochimique; Modèle cinétique; Photocatalyse; Oxydation; Pollution; Décontamination; Composé organique volatil; Réacteur catalytique; Réacteur parfaitement agité; Paramètre cinétique; Polluant; Teneur eau; Produit réaction; Modélisation; Adsorption; Devenir polluant</FD>
<FG>Composé organique</FG>
<ED>Photochemical degradation; Photochemical reactor; Kinetic model; Photocatalysis; Oxidation; Pollution; Decontamination; Volatile organic compound; Catalytic reactor; Continuous stirred tank reactor; Kinetic parameter; Pollutant; Water content; Reaction product; Modeling; Adsorption; Pollutant behavior</ED>
<EG>Organic compounds</EG>
<SD>Degradación fotoquímica; Reactor fotoquímico; Modelo cinético; Fotocatálisis; Oxidación; Polución; Descontaminación; Compuesto orgánico volátil; Reactor catalítico; Reactor perfectamente agitado; Parámetro cinético; Contaminante; Dosis agua; Producto reacción; Modelización; Adsorción; Evolución contaminante</SD>
<LO>INIST-15708.354000185548820780</LO>
<ID>09-0147586</ID>
</server>
</inist>
</record>

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Photocatalytic degradation of gaseous 1-propanol using an annular reactor : Kinetic modelling and pathways

Photocatalytic degradation of gaseous 1-propanol using an annular reactor : Kinetic modelling and pathways

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