Process for removing acidic gases from gaseous mixtures using aq

Details Process for removing acidic gases from gaseous mixtures using aq Process for removing acidic gases from gaseous mixtures using aq

1985-04-29

1986-11-25

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

423228, C01B 1714, C01B 3120

Patent

active

046248382

ABSTRACT:
Disclosed is a process for removing acid gases from gaseous streams by contacting the stream with an aqueous scrubbing solution containing a heterocyclic nitrogen compound comprised of either a five-- or six--membered ring having a pKa no greater than about 8. Imidazole is a preferred heterocyclic nitrogen compound.

REFERENCES:
patent: 4112052 (1978-09-01), Sartori et al.
patent: 4183903 (1980-01-01), Melchior et al.
patent: 4336233 (1982-06-01), Appl et al.

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