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Reacciones de hidrogenacion catalitica para almacenamiento de hidrogeno mediante LOHCs

Authors: Muela Benavides, Erika Abigail;

Reacciones de hidrogenacion catalitica para almacenamiento de hidrogeno mediante LOHCs

Abstract

[ES]El aumento de la demanda energética y, por ende, la utilización de combustibles fósiles para obtener energía, ha contribuido de forma significativa en la emisión de gases de efecto invernadero a la atmósfera. Estos gases son en gran medida los responsables del cambio climático en el planeta, situación que preocupa a la sociedad, comunidad científica y organizaciones políticas que se hayan en la búsqueda de soluciones para la descarbonización de la atmósfera terrestre. Una de las herramientas para lograr esta meta, es el hidrógeno verde que junto con las energías renovables tiene potencial para cambiar el sistema actual basado en combustibles fósiles a uno sostenible. De esta forma, en este trabajo se estudia el almacenamiento de hidrógeno mediante la tecnología de los sistemas LOHC. Este sistema se basa en la reversibilidad catalítica de las reacciones de hidrogenación y deshidrogenación. De las dos, se estudiará la reacción de hidrogenación de la molécula bencil tolueno en presencia de diferentes catalizadores en un reactor discontinuo. Además, se tendrá en cuenta la selectividad de los catalizadores y el grado de hidrogenación obtenido en cada caso, disminuyendo el contenido de metales nobles para reducir los costes económicos y el impacto medioambiental.

[EU]Energia eskariaren igoerarekin batera, energia lortzeko erabili ohi diren erregai fosilak, atmosferara berotegi efektua areagotzen duten gasen isurketa nabarmentzea eragin du. Gas hauek Lur planetaren klima aldaketaren arduradunak dira. Bestalde, gizartea, komunitate zientifikoa eta lurreko atmosfera deskarbonizatzeko irtenbideen bila dabiltzan erakunde politikoak kezkatuta daude egoera honegatik. Helburu hori lortzeko baliabide fidagarri bat hidrogeno berdea da, energia berriztagarriekin batera, erregai fosiletan oinarritutako egungo sistema aldatzeko ahalmena duelako. Horregatik, lan honetan, LOHC sistemen teknologiaren bidez hidrogenoaren biltegiratzea aztertzen da. Sistema hau hidrogenazio eta deshidrogenazio erreakzioen itzulgarritasun katalitikoan oinarritzen da. Bi erreakzioetan, funtzio etena duen erreaktore batean, katalizatzaile ezberdinen bidez benzil tolueno molekularen hidrogenazio-erreakzioa aztertuko da. Gainera, katalizatzaileen hautakortasuna eta kasu bakoitzean lortutako hidrogenazio-maila hartuko dira kontuan, metal nobleen edukia gutxiagotzen, horrela, kostu ekonomikoak baita ingurumen-inpaktua ere murriztuko dira.

[EN]The increasing energy demand and so, the use of fossil fuels to obtain energy has significantly contributed to greenhouse gas emissions. These gases are responsible for climate change, which is making society, scientific community and political organisations search for possible solutions to decarbonise atmosphere and fight climate change. One of the most popular options is green hydrogen, which together with renewable energies has potential to change the current system based in fossil fuels to a sustainable one. This way, in this work, green hydrogen storage is studied carried out by LOHC system technology. This system is based in the catalytic reversibility of hydrogenation and dehydrogenation reactions. We focus on the hydrogenation of benzene toluene molecule in presence of different catalyst in a batch reactor. Furthermore, we will take into account the selectivity and hydrogenation rate of the different catalyst so we reduce the amount of noble metals and therefore the economic cost and environmental impact

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green