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High Temperature Thermochemical Cycles (HYTHEC)

Objective

To support the development of a hydrogen economy massive production means are needed. Currently hydrogen is mainly produced from the fossil resources via processes based on cracking or water reforming, with only a few percent being produced by off-peak electrolysis. These processes are considered to be the cheapest in the short and medium term. In the long term, given the prospect of a lack of fossil resources and limitations on the release of greenhouse gases, only water and biomass are the two candidate raw materials for hydrogen production and the two processes that have the greatest likelihood of successful massive hydrogen production using water as the raw material are electrolysis and thermo chemical cycles.
The Integrated Project INNOHYP covers the most promising massive hydrogen production processes in the short medium and long term. The objective of HYTHEC is to evaluate the potential of one thermo chemical process i.e. the Iodine-Sulphur (IS) cycle and one hybrid cycle i.e. the Westinghouse cycle. They have in common the H2SO4 decomposition reaction. These cycles have been chosen as a prototypes for further study, given that important amounts of data are available in the literature and that the United States and Japan are actively continuing the development of the IS cycle. The work will be broken down into seven parts :
1-Project management
2-The detailed assessment of IS. The work will consist of the update of efficiency calculations via flow sheet optimisation and the search for improvements to the process. It will be performed in co-operation with the leading teams from the US ( General Atomics and Sandia National Laboratory) and from Japan (JAERI ).
3-The analysis of the HI/I2/H2O liquid vapour equilibrium model of the hydrogen production section of the cycle.
4-A review of membrane separation techniques relevant to the IS process
5-The assessment of the Westinghouse cycle with emphasis on its electrolytic and H2SO4 sections.

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Coordinator

COMMISSARIAT A L'ENERGIE ATOMIQUE

Address

31-33 Rue De La Federation
Paris

France

Administrative Contact

Alain LE DUIGOU (Mr)

Participants (5)

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UNIVERSITY OF SHEFFIELD

United Kingdom

UNIVERSITA DEGLI STUDI ROMA TRE

Italy

EMPRESARIOS AGRUPADOS INTERNACIONAL SA

Spain

PROSIM SA

France

DEUTSCHES ZENTRUM FUER LUFT- UND RAUMFAHRT E.V.

Germany

Project information

Grant agreement ID: 502704

  • Start date

    1 April 2004

  • End date

    31 December 2007

Funded under:

FP6-SUSTDEV

  • Overall budget:

    € 2 944 574

  • EU contribution

    € 1 898 268

Coordinated by:

COMMISSARIAT A L'ENERGIE ATOMIQUE

France