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H2 production by steam reforming of bioethanol
Abstract
Differently supported Ni-based catalysts, with variable metal loading, have been synthesized by means of an innovative preparation procedure. This technique, named Flame Spray Pyrolysis, allows the continuous one-step production of nanosized particles, char acterized by high thermal stability due to a flash calcination for a few milliseconds into a flame. The morphological and structural features of the as prepared supports and of activated catalysts are here summarized, together with catalyst performance for the steam reforming of bioethanol at 750 °C, atmospheric pressure. Alumina, chosen for comparison with commercial catalysts for this application, did not show a suitable support due to its high surface acidity, which leads to faster coking with respect to other supports. Increasing Ni loading allowed to increase H2 productivity and the best results were achieved with the sample 15 wt.% Ni/La2O3.
About the Authors
C. Biffi
Dip. Chimica Fisica ed Elettrochimica, Universitа degli Studi di Milano
Italy
Italy
I. Rossetti
Dip. Chimica Fisica ed Elettrochimica, Universitа degli Studi di Milano
Italy
Italy
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Review
For citations:
Biffi C., Rossetti I. H2 production by steam reforming of bioethanol. Kataliz v promyshlennosti. 2011;(6):66-75. (In Russ.)
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