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MTBE, methane, ethylene and regulated exhaust emissions from vehicles with deactivated catalytic converters

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dc.contributor.author Poulopoulos, SG en
dc.contributor.author Philippopoulos, CJ en
dc.date.accessioned 2014-03-01T01:21:06Z
dc.date.available 2014-03-01T01:21:06Z
dc.date.issued 2004 en
dc.identifier.issn 1352-2310 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/16063
dc.subject Automotive catalyst en
dc.subject Deactivation en
dc.subject Thermal aging en
dc.subject.classification Environmental Sciences en
dc.subject.classification Meteorology & Atmospheric Sciences en
dc.subject.other Carbon monoxide en
dc.subject.other Catalytic converters en
dc.subject.other Ethylene en
dc.subject.other Exhaust gases en
dc.subject.other Methane en
dc.subject.other Particulate emissions en
dc.subject.other Exhaust emissions en
dc.subject.other Thermal aging en
dc.subject.other Atmospheric chemistry en
dc.subject.other carbon monoxide en
dc.subject.other ethylene en
dc.subject.other hydrocarbon en
dc.subject.other methane en
dc.subject.other organic compound en
dc.subject.other exhaust emission en
dc.subject.other MTBE en
dc.subject.other traffic emission en
dc.subject.other article en
dc.subject.other catalysis en
dc.subject.other catalyst en
dc.subject.other exhaust gas en
dc.subject.other priority journal en
dc.title MTBE, methane, ethylene and regulated exhaust emissions from vehicles with deactivated catalytic converters en
heal.type journalArticle en
heal.identifier.primary 10.1016/j.atmosenv.2004.05.011 en
heal.identifier.secondary http://dx.doi.org/10.1016/j.atmosenv.2004.05.011 en
heal.language English en
heal.publicationDate 2004 en
heal.abstract In the present work, the effect of the gradual deactivation of a three-way catalytic converter on the exhaust emissions was studied. The exhaust gases were analyzed for CO, HC (i.e. total unburned organic compounds), MTBE, methane and ethylene, before and after their catalytic treatment, in a wide range of engine operating conditions. The thermal aging of the catalytic converter resulted in an increase in the required time for the start of its operation and loss of its auto thermal operation. The catalytic efficiency was significantly decreased after each thermal aging step, especially at idle conditions. As a result, CO and especially HC emissions were increased, whereas ethylene and MTBE emissions were multiplied by a factor of 6-7 at 3.81 hp, in the case of the deactivated catalyst. (C) 2004 Elsevier Ltd. All rights reserved. en
heal.publisher PERGAMON-ELSEVIER SCIENCE LTD en
heal.journalName Atmospheric Environment en
dc.identifier.doi 10.1016/j.atmosenv.2004.05.011 en
dc.identifier.isi ISI:000223121000008 en
dc.identifier.volume 38 en
dc.identifier.issue 27 en
dc.identifier.spage 4495 en
dc.identifier.epage 4500 en


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