LrgpV1, Main, Exploration, bibRecord, 001338

Kinetics of photocatalytic VOCs abatement in a standardized reactor

Identifieur interne : 001338 ( Main/Exploration ); précédent : 001337; suivant : 001339

Kinetics of photocatalytic VOCs abatement in a standardized reactor

Auteurs : N. Doucet [France] ; F. Bocquillon [France] ; O. Zahraa [France] ; M. Bouchy [France]

Source :

Chemosphere : (Oxford) [ 0045-6535 ] ; 2006.

RBID : Pascal:07-0028938

Descripteurs français

KwdFr :
- Benzène (), Benzène (effets des radiations), Catalyse, Cinétique, Gestion des déchets (), Lumière, Méthanol (), Méthanol (effets des radiations), Polluants atmosphériques (), Polluants atmosphériques (effets des radiations), Température, Titane (), Trichloroéthylène (), Trichloroéthylène (effets des radiations).
MESH :
- effets des radiations : Benzène, Méthanol, Polluants atmosphériques, Trichloroéthylène.
Pascal (Inist)
- Benzène, Catalyse, Cinétique, Composé organique volatil, Gestion des déchets, Lumière, Méthanol, Polluants atmosphériques, Pollution air, Lutte antipollution, Réduction pollution, Prévention pollution, Dégradation photochimique, Réacteur photochimique, Rayonnement UV, Photocatalyse, Composé modèle, Chlore composé organique, Hydrocarbure chloré, Ethylène(trichloro), Alcool, Méthanol, Composé aromatique, Benzène, Modèle cinétique, En continu, Température, Titane, Trichloroéthylène.
Wicri :
- topic : Alcool, Méthanol.

English descriptors

KwdEn :
- Air Pollutants (chemistry), Air Pollutants (radiation effects), Air pollution, Alcohol, Aromatic compound, Benzene, Benzene (chemistry), Benzene (radiation effects), Catalysis, Chlorocarbon, Continuous process, Ethylene(trichloro), Kinetic model, Kinetics, Light, Methanol, Methanol (chemistry), Methanol (radiation effects), Model compound, Organic chlorine compounds, Photocatalysis, Photochemical degradation, Photochemical reactor, Pollution abatement, Pollution control, Pollution prevention, Temperature, Titanium (chemistry), Trichloroethylene (chemistry), Trichloroethylene (radiation effects), Ultraviolet radiation, Volatile organic compound, Waste Management (methods).
MESH :
- chemical , chemistry : Air Pollutants, Benzene, Methanol, Titanium, Trichloroethylene.
- chemical , radiation effects : Air Pollutants, Benzene, Methanol, Trichloroethylene.
- methods : Waste Management.
- Catalysis, Kinetics, Light, Temperature.

Abstract

A standardized micro-pilot scale continuous flow apparatus has been built up, using two types of differential photoreactors, and equipped with a refined control of the working conditions in order to study the photocatalytic degradation as a way to abate VOCs in air. Kinetic measurements have been carried out on trichloroethylene (TCE), methanol and benzene as model pollutants. The absence of diffusional limitation and of reaction product effect on the kinetics have both been demonstrated under our working conditions. The influences of concentration, light flux and temperature on the initial degradation rate have been studied. A simple Langmuir-Hinshel-wood kinetic model has been verified for TCE and methanol, whereas benzene degradation was more complex and did not follow this simple mechanism. The determined experimental data aim at being useful in the scaling-up of photocatalytic reactors.

Affiliations:

Le document en format XML

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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Air Pollutants (chemistry)</term>
<term>Air Pollutants (radiation effects)</term>
<term>Air pollution</term>
<term>Alcohol</term>
<term>Aromatic compound</term>
<term>Benzene</term>
<term>Benzene (chemistry)</term>
<term>Benzene (radiation effects)</term>
<term>Catalysis</term>
<term>Chlorocarbon</term>
<term>Continuous process</term>
<term>Ethylene(trichloro)</term>
<term>Kinetic model</term>
<term>Kinetics</term>
<term>Light</term>
<term>Methanol</term>
<term>Methanol (chemistry)</term>
<term>Methanol (radiation effects)</term>
<term>Model compound</term>
<term>Organic chlorine compounds</term>
<term>Photocatalysis</term>
<term>Photochemical degradation</term>
<term>Photochemical reactor</term>
<term>Pollution abatement</term>
<term>Pollution control</term>
<term>Pollution prevention</term>
<term>Temperature</term>
<term>Titanium (chemistry)</term>
<term>Trichloroethylene (chemistry)</term>
<term>Trichloroethylene (radiation effects)</term>
<term>Ultraviolet radiation</term>
<term>Volatile organic compound</term>
<term>Waste Management (methods)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>Benzène ()</term>
<term>Benzène (effets des radiations)</term>
<term>Catalyse</term>
<term>Cinétique</term>
<term>Gestion des déchets ()</term>
<term>Lumière</term>
<term>Méthanol ()</term>
<term>Méthanol (effets des radiations)</term>
<term>Polluants atmosphériques ()</term>
<term>Polluants atmosphériques (effets des radiations)</term>
<term>Température</term>
<term>Titane ()</term>
<term>Trichloroéthylène ()</term>
<term>Trichloroéthylène (effets des radiations)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Air Pollutants</term>
<term>Benzene</term>
<term>Methanol</term>
<term>Titanium</term>
<term>Trichloroethylene</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="radiation effects" xml:lang="en"><term>Air Pollutants</term>
<term>Benzene</term>
<term>Methanol</term>
<term>Trichloroethylene</term>
</keywords>
<keywords scheme="MESH" qualifier="effets des radiations" xml:lang="fr"><term>Benzène</term>
<term>Méthanol</term>
<term>Polluants atmosphériques</term>
<term>Trichloroéthylène</term>
</keywords>
<keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Waste Management</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Catalysis</term>
<term>Kinetics</term>
<term>Light</term>
<term>Temperature</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Benzène</term>
<term>Catalyse</term>
<term>Cinétique</term>
<term>Composé organique volatil</term>
<term>Gestion des déchets</term>
<term>Lumière</term>
<term>Méthanol</term>
<term>Polluants atmosphériques</term>
<term>Pollution air</term>
<term>Lutte antipollution</term>
<term>Réduction pollution</term>
<term>Prévention pollution</term>
<term>Dégradation photochimique</term>
<term>Réacteur photochimique</term>
<term>Rayonnement UV</term>
<term>Photocatalyse</term>
<term>Composé modèle</term>
<term>Chlore composé organique</term>
<term>Hydrocarbure chloré</term>
<term>Ethylène(trichloro)</term>
<term>Alcool</term>
<term>Méthanol</term>
<term>Composé aromatique</term>
<term>Benzène</term>
<term>Modèle cinétique</term>
<term>En continu</term>
<term>Température</term>
<term>Titane</term>
<term>Trichloroéthylène</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Alcool</term>
<term>Méthanol</term>
</keywords>
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<front><div type="abstract" xml:lang="en">A standardized micro-pilot scale continuous flow apparatus has been built up, using two types of differential photoreactors, and equipped with a refined control of the working conditions in order to study the photocatalytic degradation as a way to abate VOCs in air. Kinetic measurements have been carried out on trichloroethylene (TCE), methanol and benzene as model pollutants. The absence of diffusional limitation and of reaction product effect on the kinetics have both been demonstrated under our working conditions. The influences of concentration, light flux and temperature on the initial degradation rate have been studied. A simple Langmuir-Hinshel-wood kinetic model has been verified for TCE and methanol, whereas benzene degradation was more complex and did not follow this simple mechanism. The determined experimental data aim at being useful in the scaling-up of photocatalytic reactors.</div>
</front>
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Kinetics of photocatalytic VOCs abatement in a standardized reactor

Kinetics of photocatalytic VOCs abatement in a standardized reactor

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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

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