Method and system for processing gaseous effluents for...

C - Chemistry – Metallurgy – 01 – B

Patent

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Details

C01B 3/12 (2006.01) C01B 3/04 (2006.01) C01B 3/06 (2006.01) C01B 31/18 (2006.01) C10J 3/16 (2006.01) C10J 3/26 (2006.01)

Patent

CA 2690743

The invention relates to a method for processing a first gaseous effluent (11) essentially containing carbon dioxide (CO2) and a second gaseous effluent (21) essentially containing stem (H2O), wherein said method comprises the following steps: generating a first gaseous flow (12) containing carbon monoxide by passing said first gaseous effluent (11) through a first oxidation-reduction layer of a reactive material (101) including high-temperature carbon elements; generating a second gaseous flow (22) essentially containing dihydrogen (H2) by passing said second gaseous flow (21) through a second oxidation-reduction layer of a reactive material (201) including high-temperature carbon elements; and the valorisation of at least one of the first and second gaseous flows (12, 22). The method can further include the synthesis of hydrocarbon molecules (HC) from the dihydrogen (H2) and the carbon monoxide (CO). The invention further relates to a system implementing the method of the invention.

L'invention concerne un procédé de traitement d'un premier effluent gazeux (11) comprenant essentiellement du dioxyde de carbone (CO2) et d'un deuxième effluent gazeux (21) comprenant essentiellement de la vapeur d'eau (H2O), ledit procédé comprenant les étapes suivantes : génération d'un premier flux gazeux (12) comprenant du monoxyde de carbone (CO) par passage dudit premier effluent gazeux (11) au travers d'une première couche de matière réactive oxydoréductrice (101) comprenant des éléments de carbone à haute température; génération d'un deuxième flux gazeux (22) comprenant essentiellement du dihydrogène (H2) par passage dudit deuxième effluent gazeux (21) au travers d'une deuxième couche oxydoréductrice de matière réactive (201) comprenant des éléments de carbone à haute température; et valorisation d'au moins l'un des premier et deuxième flux gazeux (12, 22). Le procédé peut en outre comprendre une synthèse de molécules hydrocarbonées (HC) à partir du dihydrogène (H2) et du monoxyde de carbone (CO). L'invention concerne en outre un système mettant en oeuvre le procédé selon l'invention.

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