https://repositorio.ufba.br/handle/ri/4705
Tipo: | Artigo de Periódico |
Título: | Redução catalítica seletiva de óxidos de nitrogênio sobre hematita contendo cobre |
Título(s) alternativo(s): | Química Nova |
Autor(es): | Ferreira, Hadma Sousa Oliveira, Soraia Jesus Varela, Maria do Carmo Rangel Santos Urquieta-González, Ernesto Antonio Martins, Leandro Fierro, José Luís Garcia Marchetti, Sérgio G. |
Autor(es): | Ferreira, Hadma Sousa Oliveira, Soraia Jesus Varela, Maria do Carmo Rangel Santos Urquieta-González, Ernesto Antonio Martins, Leandro Fierro, José Luís Garcia Marchetti, Sérgio G. |
Abstract: | The activity of copper-doped hematite in the SCR with propane, in the presence of oxygen, was evaluated in this work. It was found that copper sulfate led to the production of solids with different specific surface areas depending on the amount of copper. The sulfur and copper species were mainly located on the surface. The copper-containing catalysts were more active in the reduction of nitrogen oxides and less active in the propane oxidation as compared to pure hematite. This behavior was assigned to an association of both sulfur and copper species to produce new sites active for NO reduction. |
Palavras-chave: | Hematite Copper Nitrogen oxides |
URI: | http://www.repositorio.ufba.br/ri/handle/ri/4705 |
Data do documento: | 2007 |
Aparece nas coleções: | Artigo Publicado em Periódico (Química) |
Arquivo | Descrição | Tamanho | Formato | |
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20.pdf_3 | 497,62 kB | Adobe PDF | Visualizar/Abrir |
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