B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/02 (2006.01) B01D 53/04 (2006.01) B01D 53/26 (2006.01) B01D 53/60 (2006.01) B01D 53/75 (2006.01) C01B 31/20 (2006.01) F25J 3/00 (2006.01)
Patent
CA 2693034
The invention relates to a method for the purification of a feed gas stream containing CO2 and at least one impurity selected from water, SOx and NOx, comprising the following successive steps: a) a pre-treatment step; b) a compression step; and c) a step in which the CO2-enriched purified gas stream is recovered in liquid, gaseous or supercritical form. The invention is characterised in that a purification step is performed between steps (a) and (c), using at least a first bed of NOx- and/or SOx-neutral adsorbents having adsorption properties enabling at least the partial elimination of the water.
Procédé de purification d'un flux de gaz d'alimentation contenant du CO2 et au moins une impureté choisie parmi l'eau, les SOx et les NOx, comprenant les étapes successives suivantes : a) étape de prétraitement; b) étape de compression; c) étape de récupération d'un flux de gaz purifié, enrichi en CO2, à l'état liquide, gazeuse ou supercritique; caractérisé en ce qu'entre les étapes a) et c) on réalise une étape de purification dans lequel on met en uvre au moins un premier lit d'adsorbants neutres vis-à-vis des NOx et/ou des SOx et ayant des propriétés d'adsorption permettant l'élimination au moins partielle de l'eau
Alban Bruno
Claeys Christophe
Court Philippe
Darde Arthur
de Smedt Guillaume
L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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