Selective hydrogenation of furfural on Ir/TiO2 catalysts

Química Nova

Patricio Reyes²  Daniela Salinas²  Cristian Campos²  Marcelo Oportus²  Julie Murcia¹  Hugo Rojas¹  Gloria Borda¹  José Luís García Fierro¹ 

[1] ,Universidad de Concepción Facultad de Ciencias Químicas ,Chile

关键词: iridium;    TiO2;    furfural;   

DOI  :  10.1590/S0100-40422010000400002

来源: SciELO

【 摘 要 】

Titania-supported Ir catalysts were used in the hydrogenation of furfural. Reactions were carried out in a stirred batch type reactor at 0.62MPa and 363K using a 0.10M solution of furfural in a 1:1 mixture n-heptane -ethanol as solvent. Catalysts containing 2 wt% of Ir were reduced in H2 flow at different temperatures in the range 473-773K. The catalysts were characterized by H2 chemisorption, TEM, TPR, TPD of NH3 and XPS. Conversion of furfural is higher at lower reduction temperatures, but leads to byproducts whereas reduction at higher temperatures shows selectivity to furfuryl alcohol close to 100%.

【 授权许可】

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