INCAPE   05401
INSTITUTO DE INVESTIGACIONES EN CATALISIS Y PETROQUIMICA "ING. JOSE MIGUEL PARERA"
Unidad Ejecutora - UE
congresos y reuniones científicas
Título:
Optimum Pt load of catalysts used to obtain pure H2 from an ethanol reformate type stream in a Pd membrane reactor
Autor/es:
CAROLINA A. CORNAGLIA; SILVANO TOSTI; JOHN F. MÚNERA; EDUARDO A. LOMBARDO
Lugar:
Porto
Reunión:
Conferencia; 11th International Conference on Catalysis in Membrane Reactors; 2013
Resumen:
Hydrogen production has been extensively studied in the last two decades as a key element of the energy matrix. Hydrogen is industrially obtained from the steam reforming of natural gas or heavier hydrocarbons. Ethanol is a prime candidate to substitute fossil fuels to produce H2. In the case of fuel cell applications, this hydrogen stream needs to be purified by means of the water gas shift reaction (WGSR) and the Preferential Oxidation of CO (COPrOx) followed by CO2 and H2O elimination.An attractive alternative is to condense the three previous purification stages in a membrane reactor (MR) using a membrane selective to H2 operating at high temperature (673 - 723 K), which allows both high reaction and permeation kinetics to be achieved. In this way, the size of the equipment needed for purification is reduced and the CO conversion increased above equilibrium producing two valuable streams: one of them consists of 100 % pure H2 (permeate) and another one rich in CO2 ready for sequestration (retentate).The aim of this work was to minimize the Pt load of an active, WGS selective and non carbon forming Pt catalyst, testing this solid in a Pd membrane reactor using ethanol steam reformer type feed streams.