Continuous-flow hydroisomerization of C5–C7 alkanes using mechanochemically synthesized supported Pt and Pd–SBA-15 materials

J Hidalgo, A Pineda, R Arancon, R Černý… - Journal of Flow …, 2015 - akjournals.com
J Hidalgo, A Pineda, R Arancon, R Černý, M Climent, A Romero, R Luque
Journal of Flow Chemistry, 2015akjournals.com
SBA-15 materials exhibit important properties including large surface area, highly ordered
mesopores, and high stability in a variety of catalytic reactions. In this study, Al and Zr-
loaded SBA-15 materials (Si/Zr= 30, Si/Al= 30), 50 molar ratio with Pd (1, 2, and 4%(w/w))
and Pt (0.5 and 1%(w/w)) were tested in the isomerization of C5–C7 linear alkanes. These
solids were characterized using thermal gravimetric analysis–differential thermal analysis
(TGA–DTA), nitrogen physisorption, and energy dispersive X-ray (EDX). Interestingly, the …
SBA-15 materials exhibit important properties including large surface area, highly ordered mesopores, and high stability in a variety of catalytic reactions. In this study, Al and Zr-loaded SBA-15 materials (Si/Zr = 30, Si/Al = 30), 50 molar ratio with Pd (1, 2, and 4% (w/w)) and Pt (0.5 and 1% (w/w)) were tested in the isomerization of C5–C7 linear alkanes. These solids were characterized using thermal gravimetric analysis–differential thermal analysis (TGA–DTA), nitrogen physisorption, and energy dispersive X-ray (EDX). Interestingly, the low porosity SBA-15 materials loaded with 2% (w/w) Pd were most active catalysts for n- heptane isomerization. The mechanochemical addition of tungsten also resulted in the increase of catalytic activity for the reaction. The results herein demonstrate the possibilities of SBA-15 catalysts as a commercial catalyst alternative in the catalytic isomerization of hydrocarbons.
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