Molecular sieve zeolite for producing hydrogen by pressure varia

Details Molecular sieve zeolite for producing hydrogen by pressure varia Molecular sieve zeolite for producing hydrogen by pressure varia

1982-10-14

1984-10-16

Spitzer, Robert H.

Gas separation

Means within gas stream for conducting concentrate to collector

55 75, B01D 5304

Patent

active

044772670

ABSTRACT:
In the increase of the hydrogen content of a gas rich in hydrogen by contacting the gas with a zeolite which selectively adsorbs the gases other than hydrogen to leave the non-adsorbed gas enriched in hydrogen, and then desorbing the adsorbed gases from the zeolite, the improvement which comprises employing as said zeolite Ca-zeolite X granulate in which at least about 50% of the Na initially present in the zeolite has been replaced by calcium.

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patent: 4077779 (1978-03-01), Sircar et al.
patent: 4234322 (1980-11-01), De Meyer et al.
Breck, Zeolite Molecular Sieves, 1974, p. 613.

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