B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 20/18 (2006.01) B01D 53/04 (2006.01)
Patent
CA 2550465
The present invention relates to a novel method of purifying a gas stream contaminated by CO2, hydrocarbons and/or nitrogen oxides, in particular a gas stream based an air or a syngas, by adsorption an a bed of aggregated zeolitic adsorbent based an an LSX zeolite or LSX and X zeolites, of which at least 90% of the exchangeable cationic sites of the LSX zeolite or of the LSX/X zeolite blend are occupied by sodium Ions, and the inert binder of which represents at most 5% of the weight of the adsorbent.
L'invention concerne un procédé de purification d'un flux gazeux contaminé par CO2, des hydrocarbures et/ou des oxydes d'azote, plus précisément un flux gazeux à base d'air ou d'un gaz de synthèse, par adsorption sur un lit d'absorbant zéolitique agrégé, à base d'un zéolite LSX ou de zéolites LSX et X, au moins 90 % des sites cationiques échangeables du zéolite LSX ou du mélange de zéolites LSX/X étant occupés par des ions sodium et le liant inerte de celui-ci représentant au plus 5 % du poids des l'adsorbent.
Lutz Cecile
Schmitt Paul-Guillaume
Ceca S.a.
Robic
LandOfFree
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