Investigations on the behaviour of 2 kW natural gas fuel processor |
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Authors: | D. Di Bona Elio Jannelli |
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Affiliation: | a Department of Industrial Engineering, University of Cassino, Via G. Di Biasio, 43, Cassino, Italy b Department of Technologies, University of Naples “Parthenope”, Centro Direzionale, Naples, Italy |
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Abstract: | In this paper, the first experimental investigations on a pre-commercial natural gas steam reformer have been presented. The fuel processor unit contains the elements as follows: desulfurizer, steam reformer reactor, CO shift converter, CO preferential oxidation (PROX) reactor, steam generator, burner and heat exchangers.The fuel processor produces 45 Nl/min of syngas in which the hydrogen concentration is about 75 vol.% and the other chemical species are nitrogen, carbon dioxide and methane. The CO concentration is below 1 ppmv, so that this reforming system is suitable for the integration with a PEM fuel cell stack.The experimental activity has been conducted in a test station, properly designed to measure the behaviour of the fuel processor. The laboratory test facility is equipped by a National Instruments Compact DAQ real-time data acquisition and control system running Labview™ software. Several measurement instruments and controlling devices have been installed. Furthermore, a gas chromatograph is used to measure the product gas composition during the tests.The aim of this work has been to analyze the behaviour of this pre-commercial steam reforming unit during its operation cycle in different operating conditions (full and partial loads) in order to study its integration with a PEM fuel cell for developing a high efficiency microcogeneration system for residential applications. |
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Keywords: | Natural gas steam reforming Hydrogen concentration Experimental tests Performance analysis |
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