BackBrowsing by Author "Cortazar, Maria"
Now showing items 1-12 of 12
-
A comprehensive review of primary strategies for tar removal in biomass gasification
Cortázar Dueñas, María
; Santamaría Moreno, Laura ; López Zabalbeitia, Gartzen ; ; ; ; ; Olazar Aurrecoechea, Martin (Elsevier, 2023-01)
In the current energy scenario, the production of heat, power and biofuels from biomass has become of major interest. Amongst diverse thermochemical routes, gasification has stood out as a key technology for the large-scale ... -
Activity and stability of different Fe loaded primary catalysts for tar elimination
Cortázar Dueñas, María; ; ; Santamaría Moreno, Laura ; López Zabalbeitia, Gartzen ; ; ; Olazar Aurrecoechea, Martin (Elsevier, 2022-06)
[EN] The performance of olivine, dolomite and gamma-alumina primary catalysts was evaluated in the continuous tar elimination process in which toluene was selected as the biomass gasification tar model compound. Iron was ... -
Analysis of hydrogen production potential from waste plastics by pyrolysis and in line oxidative steam reforming
Cortázar Dueñas, María; ; ; ; López Zabalbeitia, Gartzen ; ; Santamaría Moreno, Laura ; ; Olazar Aurrecoechea, Martin (Elsevier, 2022-01)
[EN] A study was carried out on the valorization of different waste plastics (HDPE, PP, PS and PE), their mixtures and biomass/HDPE mixtures by means of pyrolysis and in line oxidative steam reforming. A thermodynamic ... -
Effect of CeO2 and MgO promoters on the performance of a Ni/Al2O3 catalyst in the steam reforming of biomass pyrolysis volatiles
Santamaría Moreno, Laura; ; López Zabalbeitia, Gartzen ; Cortázar Dueñas, María ; ; ; Olazar Aurrecoechea, Martin (Elsevier B.V., 2019-10-25)
A Ni/Al2O3 catalyst has been modified incorporating CeO2 and MgO promoters in order to improve its performance in the steam reforming of biomass pyrolysis volatiles. Ni/Al2O3, Ni/CeO2-Al2O3 and Ni/MgO-Al2O3 catalysts have ... -
Estudio comparativo de tecnologías comerciales de valorización de residuos solidos urbanos
Cortázar Dueñas, María (2015-04-01)
Debido al incremento en la demand a de combustibles, y al consiguiente aumento en el precio del petróleo, se plantea el uso de la biomasa como sustituto de los combustibles fósiles. La biomasa está considerada como una ... -
Experimental study and modeling of biomass char gasification kinetics in a novel thermogravimetric flow reactor
Cortázar Dueñas, María; López Zabalbeitia, Gartzen ; ; ; ; ; Olazar Aurrecoechea, Martin (Elsevier B.V., 2020-04-25)
[EN]This work pursues the validation of a new reactor for the evaluation of char gasification kinetics. This novel reactor allows continuous gas flow through the fixed bed sample and accurately monitoring the mass loss ... -
Fe/Olivine As Primary Catalyst in the Biomass Steam Gasification in a Fountain Confined Spouted Bed Reactor
Cortázar Dueñas, María; Santamaría Moreno, Laura ; López Zabalbeitia, Gartzen ; ; ; ; Olazar Aurrecoechea, Martin (Elsevier, 2021-07-25)
The performance of Fe/olivine catalysts was tested in the continuous steam gasification of sawdust in a bench scale plant provided with a fountain confined conical spouted bed reactor at 850 degrees C. Olivine was used as ... -
Implementation of primary strategies for the improvement of biomass steam gasification in a spouted bed reactor.
Cortázar Dueñas, María (2022-05-25)
Esta tesis doctoral se enmarca dentro de una extensa línea de investigación, que abarca el desarrollo de procesos térmicos y catalíticos para la valorización de biomasa y residuos plásticos para la obtención de combustibles ... -
Progress on Catalyst Development for the Steam Reforming of Biomass and Waste Plastics Pyrolysis Volatiles: A Review
Santamaría Moreno, Laura; López Zabalbeitia, Gartzen ; Fernández Sáenz, Enara ; Cortázar Dueñas, María ; ; Olazar Aurrecoechea, Martin ; (American Chemical Society, 2021-11-04)
[EN]n recent decades, the production of H-2 from biomass, waste plastics, and their mixtures has attracted increasing attention in the literature in order to overcome the environmental problems associated with global warming ... -
Sorption enhanced ethanol steam reforming on a bifunctional Ni/CaO catalyst for H-2 production
Cortázar Dueñas, María; Sun, Shuzhuang; Wu, Chunfei; Santamaría Moreno, Laura ; Olazar Barona, Leire; Fernández Sáenz, Enara ; ; López Zabalbeitia, Gartzen ; Olazar Aurrecoechea, Martin (Elsevier, 2021-12)
[EN]The activity and stability of a 10 wt%NiO/CaO catalyst were tested in the sorption enhanced ethanol steam reforming (SEESR) in a fluidized bed reactor. The effect of temperature in the 600-750 degrees C range was ... -
Syngas production by bio-oil steam gasification in a fountain confined conical spouted bed reactor
Cortázar Dueñas, María; ; López Zabalbeitia, Gartzen ; ; ; ; Olazar Aurrecoechea, Martin (Elsevier, 2023-08)
The combination of delocalized units for the fast pyrolysis of biomass to produce bio-oil followed by centralized units for the gasification of bio-oil appears as an economically attractive option for the full-scale ... -
Tuning pyrolysis temperature to improve the in-line steam reforming catalyst activity and stability
Fernández Sáenz, Enara; Cortázar Dueñas, María ; Santamaría Moreno, Laura ; ; ; López Zabalbeitia, Gartzen ; ; Olazar Aurrecoechea, Martin (Elsevier, 2022-10)
This study analyzes the two-step process of biomass pyrolysis and in-line steam reforming for the production of H2. In order to evaluate the effect of the volatile composition on the commercial Ni/Al2O3 catalyst performance ...