Determination of relative acid strength of La/paligorskyte by n-butylamine

The relative acid strength of lanthanum catalysts supported on paligorskyte was determined by thermodesorption of n-butylamine and infrared absorption spectroscopy. The results indicated that the desorption reaction took place in four temperature ranges. The catalyst containing 2% lanthanum particul...

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Principais autores: Melo, Dulce Maria de Araújo, Ruiz, Juan Alberto Chavez, Vitor Sobrinho, Eledir, Melo, Marcus Antônio de Freitas, Martinelli, Antonio Eduardo, Zinner, Léa Barbieri
Formato: article
Idioma:English
Publicado em: Elsevier
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Endereço do item:https://repositorio.ufrn.br/handle/123456789/31302
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Resumo:The relative acid strength of lanthanum catalysts supported on paligorskyte was determined by thermodesorption of n-butylamine and infrared absorption spectroscopy. The results indicated that the desorption reaction took place in four temperature ranges. The catalyst containing 2% lanthanum particularly showed a considerable number of acid sites probably as a result of the relatively high specific area of the material