Mixed ion-exchanged zeolites and processes for the use thereof i

Details Mixed ion-exchanged zeolites and processes for the use thereof i Mixed ion-exchanged zeolites and processes for the use thereof i

1989-10-06

1992-12-29

Breneman, R. Bruce

Chemistry of inorganic compounds

Zeolite

Isomorphic metal substitution

502 64, 502 79, 55 58, 55 68, 55 75, C01B 3334, B01D 5304

Patent

active

051749793

ABSTRACT:
Lithium/alkaline earth metal X zeolites in which the lithium:alkaline earth metal equivalent ratio is from about 95:5 to about 50:50 and lithium/alkaline earth metal A zeolites in which the lithium:alkaline earth metal equivalent ratio is from about 10:90 to about 70:30 are useful for separating oxygen and nitrogen from mixtures because they combine high adsorption capacity with high thermal stability.

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Schollner et al.; "Arrangement and Mobility of Li.sup.+ -Ions in A-Zeolite and the Influence of Mono-and Divalent Cations and Adsorbed Molecules on It", from Molecular Sieves II, ACS Symposium Series, R. F. Gould ed., 1977, pp. 357-366.

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