Ozone recovery by zeolite adsorbents

Details Ozone recovery by zeolite adsorbents Ozone recovery by zeolite adsorbents

1997-05-09

1998-12-08

Spitzer, Robert

Gas separation: processes

Solid sorption

Inorganic gas or liquid particle sorbed

95 98, 95102, 95105, 95902, 96108, B01D 53047

Patent

active

058462988

ABSTRACT:
Ozone is recovered from an ozone-oxygen mixture by adsorption using an adsorbent 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 is in the ammonium form and the molar ratio of 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.

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W. L. Johnson et al., "Oxygen/Ozone Supply and Integration Economics", 79.sup.th Annual Meeting,, Technical Section, CPPA, pp. B117-B125 (not dated).

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