Hydrogenolysis of glycerol to alcohols catalyzed by transition metals supported on pillared clay

Autor(es)

Zanin, C. I. C. B. ^[1] ; Jordao, E. ^[1] ; Mandelli, D. ^[2] ; Figueiredo, F. C. A. ^[2] ; Carvalho, W. A. ^[1] ; Oliveira, E. V. ^[1]

Afiliação do(s) autor(es)

^[1] Univ Estadual Campinas, Lab Catalyt Proc Dev, Dept Chem Syst Engn, Sch Chem Engn, BR-13083970 Campinas, SP - Brazil

^[2] Fed Univ ABC, Ctr Nat & Human Sci, BR-09210170 Santo Andre, SP - Brazil

• Tipo de documento: Artigo Científico
• Fonte: Reaction Kinetics Mechanisms and Catalysis; v. 115, n. 1, p. 293-310, JUN 2015.
• Citações Web of Science: 4

Resumo

The present work evaluated the effect of Pt, Pd and Ru catalysts supported on pillared clay (Al-Pilc) on the selectivity and products yielded in the hydrogenolysis of glycerol. The catalyst was prepared by aqueous suspension impregnation, with precursors Pt(NH3)(4)Cl-2 center dot 0.68H(2)O, PdCl2 and RuCl3 center dot 1.37H(2)O, to obtain a nominal content catalyst of 2 wt%. They were characterized by specific surface area, temperature programmed reduction, X-ray diffraction, infrared spectroscopy of adsorbed pyridine, and pyridine temperature programmed desorption. As co-catalyst, the solid studied was Amberlyst 15. The hydrogenolysis of glycerol was performed in the liquid phase, typically at 393 K and 50 bar. The results indicate that the use of bifunctional metal-acid catalysts is a way to make the hydrogenolysis more effective because it favors the dehydration and hydrogenation reactions to produce 1,2-propanediol (1,2PD) and 1-propanol (1PO). Higher yield and a suitable selectivity to 1,2-propanediol were obtained for Ru/Al-Pilc. (AU)

• Processo FAPESP: 09/07125-8 - Conversão catalítica do glicerol mediada por argilas pilarizadas, carvões ativados e polímeros condutores orgânicos
• Beneficiário: Flávia Camargo Alves Figueiredo
• Modalidade de apoio: Auxílio à Pesquisa - Jovens Pesquisadores
• Processo FAPESP: 09/07109-2 - Hidrogenólise catalítica de glicerol mediada por rutênio suportado
• Beneficiário: Wagner Alves Carvalho
• Modalidade de apoio: Auxílio à Pesquisa - Regular