《Characterization and catalytic evaluation of aluminum oxides obtained by the atrane route》.pdf

G Model CATTOD-6877; No. of Pages 7 ARTICLE IN PRESS Catalysis Today xxx (2010) xxx–xxx Contents lists available at ScienceDirect Catalysis Today j o u rn al h omepage: w w w. elsev /locate/cattod Characterization and catalytic evaluation of aluminum oxides obtained by the atrane route Gustavo García b , Marisa Falco a , Pedro Crespo b , Saúl Cabrera b , Ulises Sedran a,∗ a Instituto de Investigaciones en Catálisis y Petroquímica INCAPE (FIQ, UNL - CONICET), Santiago del Estero 2654, 3000 Santa Fe, Argentina b Laboratorio de Sólidos y Química Teórica, Instituto de Investigaciones Químicas (I.I.Q.), Universidad Mayor de San Andrés, Campus Universitario, Cota Cota Calle N◦ 27, La Paz, Bolivia a r t i c l e i n f o a b s t r a c t Article history: The atrane route (aluminum tri-sec butoxide as the metal source mixed with tri-ethanolamine to yield Available online xxx the alumatrane complex) was used to synthesize aluminas that showed specific surface areas in the 150–275 m2 ˚ /g range and average pore sizes in the 60–180 A range after calcination. Different techniques Keywords: were used to characterize the aluminas (IR, XRD, 27Al MAS-NMR, N2 adsorption). The amount of organic Alumina matter trapped in the inorganic matrix in the uncalcined materials decreased as a function of the increas- Atrane