Lidia Pino, Antonio Vita, Cristina Italiano, Concetto Fabiano, Massimo Lagana’, Vincenzo Recupero
CNR Institute of Advanced Technology for Energy “Nicola Giordano”, Via Salita S. Lucia 5, 98126 Messina, Italy
Abstract
Biogas, a renewable source of CH
4 and CO
2, is used for hydrogen generation by trireforming reaction; the reaction is a combination of CO
2 reforming, steam reforming and partial oxidation of CH
4 in a single catalytic step.
Several Ni/La-Ce-O mixed oxides, prepared by combustion synthesis, were used as catalysts. The experimental tests, carried out with synthetic biogas at 800°C with a gas hourly space velocity (GHSV) of 30000 h
-1, were aimed to study the influence of different parameters (amount of La doping, Ni load and feed composition) on the catalysts activity and stability. The synergic effect of nickel-lanthana-surface oxygen vacancies of ceria influences the samples activity.
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