Selective hydrogenation of furfural on Ir/TiO2 catalysts

Quimica nova

Fierro, José Luís García¹  Rojas, Hugo²  Murcia, Julie²  Borda, Gloria²  Salinas, Daniela³  Oportus, Marcelo³  Campos, Cristian³  Reyes, Patricio³ 

[1] Instituto de Catálisis y Petroleoquímica, Madrid, Spain;Universidad Pedagógica y Tecnológica de Colombia, Tunja, Colombia;Universidad de Concepción, Chile

关键词: iridium;    TiO2;    furfural.;   

DOI  :  10.1590/S0100-40422010000400002

学科分类：化学（综合）

来源: Sociedade Brasileira de Quimica

【 摘 要 】

Titania-supportedIr catalysts were used in the hydrogenation of furfural. Reactions were carriedout in a stirred batch type reactor at 0.62MPa and 363K using a 0.10M solutionof furfural in a 1:1 mixture n-heptane -ethanol as solvent. Catalysts containing2 wt% of Ir were reduced in H2 flow at different temperatures inthe range 473-773K. The catalysts were characterized by H2 chemisorption,TEM, TPR, TPD of NH3 and XPS. Conversion of furfural is higher atlower reduction temperatures, but leads to byproducts whereas reduction at highertemperatures shows selectivity to furfuryl alcohol close to 100%.

【 授权许可】

CC BY