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Title: HycycleS: a project on nuclear and solar hydrogen production by sulphur-based thermochemical cycles

Authors: M. Roeb, D. Thomey, D. Graf, C. Sattler, S. Poitou, F. Pra, P. Tochon, C. Mansilla, J-C. Robin, F. Le Naour, R.W.K. Allen, R. Elder, I. Atkin, G. Karagiannakis, C. Agrafiotis, A.G. Konstandopoulos, M. Musella, P. Haehner, A. Giaconia, S. Sau, P. Tarquini, S. Haussener, A. Steinfeld, S. Martinez, I. Canadas, A. Orden, M. Ferrato, J. Hinkley, E. Lahoda, B. Wong

Addresses: Deutsches Zentrum fur Luft- und Raumfahrt, e.V., Solar Research, Linder Hohe, 51147 Koln, Germany. ' Deutsches Zentrum fur Luft- und Raumfahrt, e.V., Solar Research, Linder Hohe, 51147 Koln, Germany. ' Deutsches Zentrum fur Luft- und Raumfahrt, e.V., Solar Research, Linder Hohe, 51147 Koln, Germany. ' Deutsches Zentrum fur Luft- und Raumfahrt, e.V., Solar Research, Linder Hohe, 51147 Koln, Germany. ' Commissariat a L'Energie Atomique (CEA), DRT/LITEN/DTS/LETh-GRETh, 17 rue des Martyrs, 38054 Grenoble cedex, France. ' Commissariat a L'Energie Atomique (CEA), DRT/LITEN/DTS/LETh-GRETh, 17 rue des Martyrs, 38054 Grenoble cedex, France. ' Commissariat a L'Energie Atomique (CEA), DRT/LITEN/DTS/LETh-GRETh, 17 rue des Martyrs, 38054 Grenoble cedex, France. ' Commissariat a L'Energie Atomique (CEA), DRT/LITEN/DTS/LETh-GRETh, 17 rue des Martyrs, 38054 Grenoble cedex, France. ' Commissariat a L'Energie Atomique (CEA), DRT/LITEN/DTS/LETh-GRETh, 17 rue des Martyrs, 38054 Grenoble cedex, France. ' Commissariat a L'Energie Atomique (CEA), DRT/LITEN/DTS/LETh-GRETh, 17 rue des Martyrs, 38054 Grenoble cedex, France. ' Department of Chemical and Biological Engineering, University of Sheffield, Mappin Street, Sheffield, S1 3JD, UK. ' Department of Chemical and Biological Engineering, University of Sheffield, Mappin Street, Sheffield, S1 3JD, UK. ' Department of Chemical and Biological Engineering, University of Sheffield, Mappin Street, Sheffield, S1 3JD, UK. ' Aerosol and Particle Technology Laboratory, Center for Research and Technology, Hellas/Chemical Process Engineering Research Institute, 6th km. Charilaou-Thermi Road, 57001 Thermi Thessaloniki, Greece. ' Aerosol and Particle Technology Laboratory, Center for Research and Technology, Hellas/Chemical Process Engineering Research Institute, 6th km. Charilaou-Thermi Road, 57001 Thermi Thessaloniki, Greece. ' Aerosol and Particle Technology Laboratory, Center for Research and Technology, Hellas/Chemical Process Engineering Research Institute, 6th km. Charilaou-Thermi Road, 57001 Thermi Thessaloniki, Greece. ' European Commission, JRC – Institute for Energy (SFNR), Westerduinweg 3, 1755 LE Petten, Netherlands. ' European Commission, JRC – Institute for Energy (SFNR), Westerduinweg 3, 1755 LE Petten, Netherlands. ' Ente per le Nuove tecnologie, l'Energia e l'Ambiente (ENEA) – Casaccia, Via Anguillarese 301, 00060 S. Maria di Galeria (Roma), Italy. ' Ente per le Nuove tecnologie, l'Energia e l'Ambiente (ENEA) – Casaccia, Via Anguillarese 301, 00060 S. Maria di Galeria (Roma), Italy. ' Ente per le Nuove tecnologie, l'Energia e l'Ambiente (ENEA) – Casaccia, Via Anguillarese 301, 00060 S. Maria di Galeria (Roma), Italy. ' Eidgenoessische Technische Hochschule Zurich, Institut fur Energietechnik, ML J 42.1. Sonneggstrasse 3, 8092 Zurich, Switzerland. ' Eidgenoessische Technische Hochschule Zurich, Institut fur Energietechnik, ML J 42.1. Sonneggstrasse 3, 8092 Zurich, Switzerland. ' Empresarios Agrupados A.I.E., Magallanes 3, 28015 Madrid, Spain. ' Empresarios Agrupados A.I.E., Magallanes 3, 28015 Madrid, Spain. ' Empresarios Agrupados A.I.E., Magallanes 3, 28015 Madrid, Spain. ' BOOSTEC S.A., Zone Industrielle, 65460 Bazet, France. ' CSIRO – Energy Technology, 10 Murray Dwyer Circuit, Steel River Industrial Park, Mayfield West, NSW 2304, Australia. ' Westinghouse Electric Company, Suite 678, 600 Cranberry Woods Drive 418d, Cranberry Township, PA 16066, USA. ' Inertial Fusion Technology, General Atomics 22T-115, 3550 General Atomics Ct., San Diego, CA 92121, USA

Abstract: The European FP7 project HycycleS focuses on providing detailed solutions for the design of specific key components for sulphur-based thermochemical cycles for hydrogen production. The key components necessary for the high temperature part of those processes, the thermal decomposition of H2SO4, are a compact heat exchanger for SO3 decomposition for operation by solar and nuclear heat, a receiver-reactor for solar H2SO4 decomposition, and membranes as product separator and as promoter of the SO3 decomposition. Silicon carbide has been identified as the preferred construction material. Its stability is tested at high temperature and in a highly corrosive atmosphere. Another focus is catalyst materials for the reduction of SO3. Requirement specifications were set up as basis for design and sizing of the intended prototypes. Rigs for corrosion tests, catalyst tests and selectivity of separation membranes have been designed, built and completed. Prototypes of the mentioned components have been designed and tested.

Keywords: sulphur; corrosion tests; catalyst tests; separation membranes; silicon carbide; thermochemical cycle; nuclear hydrogen; solar hydrogen production; nuclear energy; nuclear power; solar energy; solar power; heat exchangers.

DOI: 10.1504/IJNHPA.2011.038344

International Journal of Nuclear Hydrogen Production and Applications, 2011 Vol.2 No.3, pp.202 - 226

Available online: 28 Jan 2011

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