B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 20/18 (2006.01) B01D 53/047 (2006.01) C01B 13/10 (2006.01)
Patent
CA 2236611
Ozone is recovered from an ozone-oxygen mixture adsorption using an absorbent which comprises a zeolite selected from the group consisting of L type zeolite, Y type zeolite, ZSM-5, and mordenite in which at least 90% of the exchangeable cation content in the ammonium form and the molar ratio potassium to aluminum is less than about 0.25. Alternatively, a proton-exchanged L type zeolite can be used in which at least 90% of the exchangeable cation content is in the proton form and the molar ratio of potassium to aluminum is less than about 0.25.
L'ozone est récupéré à partir d'un mélange d'adsorption d'ozone-oxygène à l'aide d'un absorbant renfermant une zéolite choisie dans le groupe constitué de zéolite de type L, de zéolite de type Y, de ZSM-5 et de mordénite, où au moins 90 % de la teneur en cation échangeable se trouve sous forme d'ammonium, avec un rapport molaire potassium/aluminium inférieur à 0,25 environ. Il est également possible d'utiliser une zéolite de type L à échange protonique, dans laquelle au moins 90 % de la teneur en cation échangeable se trouve sous forme protonique, avec un rapport molaire potassium/aluminium inférieur à 0,25 environ.
Air Products And Chemicals Inc.
Mcfadden Fincham
LandOfFree
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