Decomposição do NO sobre Cu suportado em zeólitas

Decomposição do NO sobre Cu suportado em zeólitas

Direct decomposition of NO on copper supported on zeolite catalysts such as MCM-22 and Beta was compared with that on the thoroughly studied Cu-ZSM-5. The catalysts were prepared by ion-exchange in basic media. They were characterized by atomic absorption, surface area, nitrogen adsorption at 77K, X-ray diffraction and temperature programmed reduction. The products of the reaction were analyzed by Fourier transform infrared spectroscopy using a gas cell. Catalytic activity tests indicated that zeolite catalysts, like Beta and MCM-22, lead to NO conversion values comparable to ZSM-5.

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Main Authors: Oliveira,Andréa Marins de, Pergher,Sibele Berenice Castellã, Moro,Celso Camilo, Baibich,Ione Maluf
Format: Digital revista
Language:Portuguese
Published: Sociedade Brasileira de Química 2004
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422004000200010
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spelling oai:scielo:S0100-404220040002000102004-05-31Decomposição do NO sobre Cu suportado em zeólitasOliveira,Andréa Marins dePergher,Sibele Berenice CastellãMoro,Celso CamiloBaibich,Ione Maluf NO decomposition zeolites copper Direct decomposition of NO on copper supported on zeolite catalysts such as MCM-22 and Beta was compared with that on the thoroughly studied Cu-ZSM-5. The catalysts were prepared by ion-exchange in basic media. They were characterized by atomic absorption, surface area, nitrogen adsorption at 77K, X-ray diffraction and temperature programmed reduction. The products of the reaction were analyzed by Fourier transform infrared spectroscopy using a gas cell. Catalytic activity tests indicated that zeolite catalysts, like Beta and MCM-22, lead to NO conversion values comparable to ZSM-5.info:eu-repo/semantics/openAccessSociedade Brasileira de QuímicaQuímica Nova v.27 n.2 20042004-04-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422004000200010pt10.1590/S0100-40422004000200010
institution SCIELO
collection OJS
country Brasil
countrycode BR
component Revista
access En linea
databasecode rev-scielo-br
tag revista
region America del Sur
libraryname SciELO
language Portuguese
format Digital
author Oliveira,Andréa Marins de
Pergher,Sibele Berenice Castellã
Moro,Celso Camilo
Baibich,Ione Maluf
spellingShingle Oliveira,Andréa Marins de
Pergher,Sibele Berenice Castellã
Moro,Celso Camilo
Baibich,Ione Maluf
Decomposição do NO sobre Cu suportado em zeólitas
author_facet Oliveira,Andréa Marins de
Pergher,Sibele Berenice Castellã
Moro,Celso Camilo
Baibich,Ione Maluf
author_sort Oliveira,Andréa Marins de
title Decomposição do NO sobre Cu suportado em zeólitas
title_short Decomposição do NO sobre Cu suportado em zeólitas
title_full Decomposição do NO sobre Cu suportado em zeólitas
title_fullStr Decomposição do NO sobre Cu suportado em zeólitas
title_full_unstemmed Decomposição do NO sobre Cu suportado em zeólitas
title_sort decomposição do no sobre cu suportado em zeólitas
description Direct decomposition of NO on copper supported on zeolite catalysts such as MCM-22 and Beta was compared with that on the thoroughly studied Cu-ZSM-5. The catalysts were prepared by ion-exchange in basic media. They were characterized by atomic absorption, surface area, nitrogen adsorption at 77K, X-ray diffraction and temperature programmed reduction. The products of the reaction were analyzed by Fourier transform infrared spectroscopy using a gas cell. Catalytic activity tests indicated that zeolite catalysts, like Beta and MCM-22, lead to NO conversion values comparable to ZSM-5.
publisher Sociedade Brasileira de Química
publishDate 2004
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422004000200010
work_keys_str_mv AT oliveiraandreamarinsde decomposicaodonosobrecusuportadoemzeolitas
AT perghersibeleberenicecastella decomposicaodonosobrecusuportadoemzeolitas
AT morocelsocamilo decomposicaodonosobrecusuportadoemzeolitas
AT baibichionemaluf decomposicaodonosobrecusuportadoemzeolitas
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