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ChemEngineering 2018, 2(1), 5; https://doi.org/10.3390/chemengineering2010005

Development of a Catalytic Fuel Processor for a 10 kW Combined Heat and Power System: Experimental and Modeling Analysis of the Steam Reforming Unit

1
Laboratory of Catalysis and Catalytic Processes, Dipartimento di Energia, Politecnico di Milano, via La Masa 33, 20156 Milano, Italy
2
ICI-Caldaie S.p.A; Via G. Pascoli 38, 37059 Frazione Campagnola di Zevio (Verona), Italy
*
Author to whom correspondence should be addressed.
Received: 21 November 2017 / Revised: 28 December 2017 / Accepted: 5 January 2018 / Published: 11 January 2018
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Abstract

In this work, we address the development of a combined heat and power unit for residential applications, fed by natural gas, air and H2O; focus is on the design of the first catalytic stage of the fuel processor, that is the steam reforming unit. A commercial catalyst was tested at the laboratory scale, under kinetically controlled conditions in order to derive information on the reaction kinetics and support the basic engineering of the full scale reactor. Analogous tests after long term steam reforming ageing were then performed to quantify the evolution of the catalyst activity under real operating conditions and estimate a lumped deactivation factor. A modelling analysis was performed to predict the expected performance of the fuel processor at varying input parameters and catalyst activity profiles. It was verified that at a space velocity below 5000 Nl/kgcat/h, the reactor output is fully controlled by the thermodynamics at 650 °C, which guarantees the best operability and efficiency of the whole fuel processor. View Full-Text
Keywords: steam reforming; CHP system; small scale H2 production; reactor modelling steam reforming; CHP system; small scale H2 production; reactor modelling
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Beretta, A.; Groppi, G.; Ribani, C.; Fares, G.; Tregambe, C. Development of a Catalytic Fuel Processor for a 10 kW Combined Heat and Power System: Experimental and Modeling Analysis of the Steam Reforming Unit. ChemEngineering 2018, 2, 5.

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