Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Alex Le Gal"'
Publikováno v:
SolarPACES Conference Proceedings, Vol 2 (2024)
This study presents a comparison of both modelling and experimental results obtained on the solar field and the receiver of the MW-scale particle driven CSP unit implemented at the Themis solar tower (France) in the framework of the Next-CSP H2020 Eu
Externí odkaz:
https://doaj.org/article/7b392d09fb0e4d2490614a3ec54e7252
Publikováno v:
Molecules, Vol 28, Iss 11, p 4327 (2023)
This study focuses on the generation of solar thermochemical fuel (hydrogen, syngas) from CO2 and H2O molecules via two-step thermochemical cycles involving intermediate oxygen-carrier redox materials. Different classes of redox-active compounds base
Externí odkaz:
https://doaj.org/article/e44d97de40c54d0fbdfd3b2730b2b186
Publikováno v:
Catalysts, Vol 12, Iss 10, p 1116 (2022)
The main challenges and obstacles to the development of hydrogen/carbon monoxide production from the splitting of water/carbon dioxide through two-step solar thermochemical cycles are strongly related to material concerns. Ineed, ceria is the main be
Externí odkaz:
https://doaj.org/article/f19989140bdb43ea817f7cd10698caf9
Autor:
Raf Dewil, Gilles Flamant, Yimin Deng, Jan Baeyens, Renaud Ansart, Alex Le Gal, Shuo Li, Ronny Gueguen, Florian Sabatier
Publikováno v:
Chemical Engineering Journal
Chemical Engineering Journal, Elsevier, 2021, 418, pp.129376. ⟨10.1016/j.cej.2021.129376⟩
Chemical Engineering Journal, Elsevier, 2021, 418, pp.129376. ⟨10.1016/j.cej.2021.129376⟩
A fluidized bed of Geldart-A particles is promoted as heat transfer fluid in the tubular solar receivers of solar towers. A pressure-driven upward particle flow affects the hydrodynamic flow structure and properties of the fluidized bed. Experiments
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c10e919e8989a24e9512bc80f0595fb3
https://hal.archives-ouvertes.fr/hal-03187264
https://hal.archives-ouvertes.fr/hal-03187264
Autor:
Michael Donovan, Gilles Flamant, Jean-Yves Peroy, Alex Le Gal, Ronny Gueguen, Benjamin Grange
Publikováno v:
SOLARPACES 2019: International Conference on Concentrating Solar Power and Chemical Energy Systems
SOLARPACES 2019: International Conference on Concentrating Solar Power and Chemical Energy Systems, 2019, Daegu, France. pp.070002, ⟨10.1063/5.0028761⟩
SOLARPACES 2019: International Conference on Concentrating Solar Power and Chemical Energy Systems, 2019, Daegu, France. pp.070002, ⟨10.1063/5.0028761⟩
This work is part of the European project “Next-CSP” which aims to develop a next generation of concentrated solar power plants using the particle technology and, particularly, the fluidized particle-in-tube technology working at high temperature
Autor:
Thibaut Esence, Alex Le Gal, Antoine Saraiva, Michael Tessonneaud, Damien Poncin, Jean-Louis Sans, Mouâd Elidrissi, Gilles Flamant, Emmanuel Guillot
Publikováno v:
SOLARPACES 2019: International Conference on Concentrating Solar Power and Chemical Energy Systems.
Nowadays, the calcination of mineral particles is mainly performed by burning carbonaceous fuels. Consequently, this process is the second source of carbon dioxide emission worldwide. This study, developed in the framework of the SOLPART H2020 projec
Autor:
Stéphane Abanades, Alex Le Gal
Publikováno v:
Fuel. 102:180-186
The thermochemical CO2 splitting via cerium-based mixed oxides is considered. This process targets the recycling and upgrading of CO2 emissions for the production of solar fuels. The CO2 reduction is achieved by thermochemical looping using ceria–z
Autor:
Alex Le Gal, Stéphane Abanades
Publikováno v:
The Journal of Physical Chemistry C. 116:13516-13523
Ceria has emerged as an attractive candidate for solar thermochemical hydrogen production; however, the necessary temperatures for CeO2 reduction to Ce2O3 are too high for conventional solar concentrating systems, while the reduction to nonstoichiome
Publikováno v:
Energy & Fuels. 25:4836-4845
The solar thermochemical splitting of CO2 and H2O with ceria and Zr-doped ceria for CO and H2 production is considered. The two-step process is composed of the thermal reduction of the ceria-based compound followed by the oxidation of the nonstoichio
Autor:
Alex Le Gal, Stéphane Abanades
Publikováno v:
International Journal of Hydrogen Energy. 36:4739-4748
This study addresses the solar thermochemical production of hydrogen from water-splitting cycles using ceria-zirconia solid solutions prepared via soft chemistry methods. The effect of zirconium doping on the catalytic activity of ceria for hydrogen