Suppression of COS formation in molecular sieve purification of

Details Suppression of COS formation in molecular sieve purification of Suppression of COS formation in molecular sieve purification of

1978-08-22

1982-05-11

Spitzer, Robert H.

Gas separation

Means within gas stream for conducting concentrate to collector

55 73, 55 75, B01D 5304

Patent

active

043291600

ABSTRACT:
In the process for purifying hydrocarbon gas streams containing hydrogen sulfide and carbon dioxide as impurities by contact thereof with zeolitic molecular sieve adsorbents to selectively adsorb the impurities, the formation of carbonyl sulfide by the zeolite catalyzed reaction of H.sub.2 S with CO.sub.2 is greatly suppressed by employing as the selective adsorbent certain cation forms of molecular sieve zeolites which contain from 0.7 to 3 weight percent adsorbed water.

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patent: 3660967 (1972-05-01), Collins et al.
patent: 3751878 (1973-08-01), Collins
patent: 3808773 (1974-05-01), Reyhing et al.

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