Publication:
Thermochemical conversion of C. cardunculus L. in nitrate molten salts

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2019-02-05
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Elsevier
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The use of a binary mixture of solar molten salts (60 wt% NaNO3 and 40 wt% KNO3) as a heat transfer medium for the production of a solar fuel by the thermochemical conversion of biomass is investigated in the present paper. Thermochemical conversion can be a route for converting the surplus solar irradiation via the direct contact of nitrate molten salts and biomass into storable chemical fuel. Traditional fixed-bed pyrolysis and molten salts pyrolysis have been carried out under an inert atmosphere at a temperature of 500 degrees C. The composition of the permanent gases and the bio-oil produced has been analyzed along with the temperature profiles inside the reactor. Two distinctive pathways have been observed: an endothermic process in the case of traditional fixed-bed pyrolysis and an exothermic process in the case of molten salt pyrolysis. An attempt has been made to identify possible causes for such differences.
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Solar Energy, Biomass, Gasification, Pyrolysis, Molten Salts, Solar Fuels, Cynara-Cardunculus, Fluidized-Bed, Biomass Gasification, Solar Gasification, Thermal Pyrolysis, Stainless-Steels, Wood Particles, Carbon-Steel, Bio-Oil, Tar
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Serrano, D., Horvat, A., Sobrino, C. y Sánchez Delgado, S. (2019). Thermochemical conversion of C. cardunculus L. in nitrate molten salts. Applied Thermal Engineering, 148, pp. 136-146.