Efeito da temperatura no desempenho catalitico de oxidos de ferro contendo cobre e aluminio



Título del documento: Efeito da temperatura no desempenho catalitico de oxidos de ferro contendo cobre e aluminio
Revista: Quimica nova
Base de datos: PERIÓDICA
Número de sistema: 000199082
ISSN: 0100-4042
Autores: 1


Instituciones: 1Universidade Federal da Bahia, Instituto de Química, Salvador, Bahia. Brasil
2Universidade Federal de Santa Catarina, Departamento de Química, Florianopolis, Santa Catarina. Brasil
Año:
Periodo: Mar-Abr
Volumen: 25
Número: 2
Paginación: 181-185
País: Brasil
Idioma: Portugués
Tipo de documento: Artículo
Enfoque: Experimental
Resumen en inglés Aluminum and copper doped hematite was evaluated in the high temperature shift (HTS) reaction at several temperatures in order to find catalysts that can work in different operational conditions. It was found that the catalysts work in kinetic regime in the range of 300-400 oC. Both copper and aluminum increases the activity and selectivity. Aluminum acts as textural promoter whereas copper acts as structural one. The most promising catalyst is that with both copper and aluminum which showed higher activity and selectivity than a commercial sample. This catalyst has the advantages of being non toxic and can work at low temperatures
Disciplinas: Química
Palabras clave: Fisicoquímica y química teórica,
Química inorgánica,
Oxido de fierro,
Cobre,
Aluminio,
Catalizadores,
Cinética,
Temperatura
Keyword: Chemistry,
Inorganic chemistry,
Physical and theoretical chemistry,
Iron oxide,
Copper,
Aluminum,
Catalysts,
Kinetics,
Temperature
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