MINI-TOWER SOLAR FIELD WITH AN INTEGRATED OPTICAL WAVEGUIDE RECEIVER FOR CHEMICAL DEMONSTRATORS

Abstract:

Solar-driven thermochemical hydrogen production, CO2 abatement technologies and production of solar fuels and chemicals in general, are candidates in the near future to scaled-up demonstration projects to be carried out at solar thermal concentrating facilities. Chemical demonstrators undoubtedly will be more demanding in terms of temperature and solar flux than current applications oriented to electricity production. Some of the more promising H2 production technologies are already in the position to scaling reactors up to the 1-MWth level. To handle the “demonstrator” range useful to develop new solar chemistry processes, between 100 kWth and 1,000 kWth, the best option is making use of mini-towers with heliostat fields. Then, the challenge is to achieve the required high fluxes (above 2,000 kW/m2) with a small field of heliostats and to efficiently introduce the solar energy in indirectly heated solar …

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