Pure Mn oxides (Mn3O4 and α-Mn2O3) and Mn-Fe and Mn-Al mixed oxides have been prepared by (co)precipitation methods, thoroughly characterized and tested as catalysts for propane oxy-dehydrogenation to propene using He-O2-propane mixtures, using different flows, different contact times and different propane to oxygen molar ratios. These materials, due to their very high reactivities, allow propene production with yields not higher than 6-8 % but with productivities in excess of 3 kgC3H6 / kgCAT h and in a quite low temperature range. © 1998 Elsevier Science B.V. All rights reserved.
Propane catalytic oxidation and oxy-dehydrogenation over manganese-based metal oxides
FINOCCHIO, ELISABETTA;BUSCA, GUIDO
1998-01-01
Abstract
Pure Mn oxides (Mn3O4 and α-Mn2O3) and Mn-Fe and Mn-Al mixed oxides have been prepared by (co)precipitation methods, thoroughly characterized and tested as catalysts for propane oxy-dehydrogenation to propene using He-O2-propane mixtures, using different flows, different contact times and different propane to oxygen molar ratios. These materials, due to their very high reactivities, allow propene production with yields not higher than 6-8 % but with productivities in excess of 3 kgC3H6 / kgCAT h and in a quite low temperature range. © 1998 Elsevier Science B.V. All rights reserved.
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