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Catalytic oxidation of VOCs on NaX zeolite: Mixture effect with isopropanol and o-xylene

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Title: Catalytic oxidation of VOCs on NaX zeolite: Mixture effect with isopropanol and o-xylene
Authors: Beauchet, R.1, Mijoin, J. jerome.mijoin@univ-poitiers.fr, Batonneau-Gener, I.1, Magnoux, P.1
Source: Applied Catalysis B: Environment & Energy. Oct2010, Vol. 100 Issue 1/2, p91-96. 6p.
Subjects: Catalysis, Oxidation, Volatile organic compounds, Zeolites, Sodium compounds, Isopropyl alcohol, Xylene, Adsorption (Chemistry), Molecular models
Abstract: Abstract: Catalytic oxidation of isopropanol and o-xylene alone as well as in mixture was investigated over basic NaX zeolite. Experiments were carried out in wet air (11,000ppm of water) and at a high gas hourly space velocity (GHSV) of 18,000h−1. Results show an inhibiting effect of the o-xylene on the isopropanol destruction whereas the isopropanol has no effect on the o-xylene destruction. Adsorption experiments as well as molecular modelling seem to demonstrate that this inhibiting effect of o-xylene is due to the adsorption of this aromatic VOCs near the apertures of the NaX supercages limiting the access of isopropanol to the basic active sites of this zeolite. Furthermore, the concentration of o-xylene influences the formation of secondary products (propene, coke) resulting from the isopropanol transformation. [ABSTRACT FROM AUTHOR]
Copyright of Applied Catalysis B: Environment & Energy is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 54101580
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  Data: Catalytic oxidation of VOCs on NaX zeolite: Mixture effect with isopropanol and o-xylene
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  Data: <searchLink fieldCode="JN" term="%22Applied+Catalysis+B%3A+Environment+%26+Energy%22">Applied Catalysis B: Environment & Energy</searchLink>. Oct2010, Vol. 100 Issue 1/2, p91-96. 6p.
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  Data: <searchLink fieldCode="DE" term="%22Catalysis%22">Catalysis</searchLink><br /><searchLink fieldCode="DE" term="%22Oxidation%22">Oxidation</searchLink><br /><searchLink fieldCode="DE" term="%22Volatile+organic+compounds%22">Volatile organic compounds</searchLink><br /><searchLink fieldCode="DE" term="%22Zeolites%22">Zeolites</searchLink><br /><searchLink fieldCode="DE" term="%22Sodium+compounds%22">Sodium compounds</searchLink><br /><searchLink fieldCode="DE" term="%22Isopropyl+alcohol%22">Isopropyl alcohol</searchLink><br /><searchLink fieldCode="DE" term="%22Xylene%22">Xylene</searchLink><br /><searchLink fieldCode="DE" term="%22Adsorption+%28Chemistry%29%22">Adsorption (Chemistry)</searchLink><br /><searchLink fieldCode="DE" term="%22Molecular+models%22">Molecular models</searchLink>
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  Data: Abstract: Catalytic oxidation of isopropanol and o-xylene alone as well as in mixture was investigated over basic NaX zeolite. Experiments were carried out in wet air (11,000ppm of water) and at a high gas hourly space velocity (GHSV) of 18,000h−1. Results show an inhibiting effect of the o-xylene on the isopropanol destruction whereas the isopropanol has no effect on the o-xylene destruction. Adsorption experiments as well as molecular modelling seem to demonstrate that this inhibiting effect of o-xylene is due to the adsorption of this aromatic VOCs near the apertures of the NaX supercages limiting the access of isopropanol to the basic active sites of this zeolite. Furthermore, the concentration of o-xylene influences the formation of secondary products (propene, coke) resulting from the isopropanol transformation. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Applied Catalysis B: Environment & Energy is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.apcatb.2010.07.017
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        Text: English
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        Type: general
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      – SubjectFull: Isopropyl alcohol
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      – SubjectFull: Adsorption (Chemistry)
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      – SubjectFull: Molecular models
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      – TitleFull: Catalytic oxidation of VOCs on NaX zeolite: Mixture effect with isopropanol and o-xylene
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              Text: Oct2010
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