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Captura de CO2 mediante transportadores sólidos de oxígeno

Authors: Forero, Carmen R.; Adánez, Juan; Gayán, Pilar; de Diego, Luis F.; García-Labiano, Francisco; Abad, Alberto;

Captura de CO2 mediante transportadores sólidos de oxígeno

Abstract

[ES] La evaluación de transportadores de oxígeno (TO), basados en CuO y NiO sobre Al2O3 y preparados por impregnación, se llevó a cabo en una planta piloto de dos lechos fluidizados interconectados de 500 Wte, donde se utilizaron tanto metano como gas de síntesis como gas combustible. Además, se estudió el efecto de diferentes impurezas presentes en el gas combustible como azufre o hidrocarburos ligeros en la eficacia de combustión del proceso y en el comportamiento de los TO. Los resultados obtenidos mostraron que ambos TO son adecuados para la captura de CO2 mediante transportadores sólidos de oxígeno en el proceso de combustión de metano, gas de síntesis o metano con impurezas como hidrocarburos ligeros o azufre en el gas.

[PT] A avaliação das transportadoras de oxigênio (TOs), baseados em CuO e NiO sobre Al2O3 e preparados por impregnação, foi testada em uma planta piloto de dois leitos fluidizados de 500 Wte interligados, utilizando-se o metano como gás de síntese e como combustível. Além disso, foi estudado o efeito de diferentes impurezas presentes no gás combustível como enxofre o hidrocarbonetos ligeros na eficiência de combustão do processo e no comportamento dos TOs. Os resultados mostraram que ambos TOs são adequados para a captura de CO2 por transportadores de oxigênio sólido no processo de combustão de metano, gás de síntese ou metano com presença de impurezas como enxofre ou hidrocarbonetos ligeros e gases.

[EN] NiO and CuO based oxygen carriers (OCs) supported on Al2O3 prepared by impregnation were selected for its evaluation in a continuous pilot plant of 500 Wth of two interconnected fluidized beds, where both methane and syngas were used as fuel gas. In addition, the effect of possible impurities in the fuel gas such as sulphur compounds and other hydrocarbons in the combustion efficiency of the process and the behaviour of the OCs were studied. Based on these results, it can be concluded that both OCs are suitable for a chemical looping combustion (CLC) process with methane, syngas and methane with impurities such as light hydrocarbons or sulphur.

6 figuras, 2 tablas

Peer reviewed

Keywords

Níquel, captação de CO2, Captação de CO2, oxygen carriers, combustão, Combustión, transportadores de oxigênio, nickel, Nickel, cobre, Transportadores de oxigênio, transportadores de oxígeno, níquel, Oxygen carriers, chemical looping combustion, Chemical looping combustion, Captura de CO2, CO2 capture, Transportadores de oxígeno, captura de CO2, Cobre, copper, combustión, Copper, Combustão

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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