Lab-scale experimental tests of Power to Gas-Oxycombustion hybridization: system design and preliminary results
Resumen: Power-to-Gas (PtG) represents one of the most promising energy storage technologies. PtG converts electricity surplus into synthetic natural gas by combining water electrolysis and CO2 methanation. This technology valorises captured CO2 to produce a ‘carbon neutral’ natural gas, while allowing temporal displacement of renewable energy. PtG-Oxycombustion hybridization is proposed to integrate mass and energy flows of the global system. Oxygen, comburent under oxy-fuel combustion, is commonly produced in an air separation unit. This unit can be replaced by an electrolyser which by-produces O2 reducing the electrical consumption and the energy penalty of the carbon separation process. The aim of this work is to present the design, construction and testing of a methanation reactor at laboratory scale to increase the knowledge of the key component of this system. Experimental data are used to validate the theoretical kinetic model at different operating temperatures implemented in Aspen Plus. CO2 conversions about 60-80% are found for catalyst temperature between 350 and 550 ºC. These values agree well with expected theoretical conversions from the kinetic model.
Idioma: Inglés
DOI: 10.1016/j.energy.2021.120375
Año: 2021
Publicado en: Energy 226, 120375 (2021), [10 p.]
ISSN: 0360-5442

Financiación: info:eu-repo/grantAgreement/ES/DGA/T46-17R
Financiación: info:eu-repo/grantAgreement/ES/MINECO-FEDER/ENE2016-76850-R
Tipo y forma: Article (Published version)
Área (Departamento): Área Máquinas y Motores Térmi. (Dpto. Ingeniería Mecánica)

Creative Commons You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. You may not use the material for commercial purposes. If you remix, transform, or build upon the material, you may not distribute the modified material.


Exportado de SIDERAL (2022-05-19-11:22:33)

Este artículo se encuentra en las siguientes colecciones:
Articles



 Record created 2022-03-22, last modified 2022-05-19


Versión publicada:
 PDF
Rate this document:

Rate this document:
1
2
3
 
(Not yet reviewed)