Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Carbon dioxide or hydrogen sulfide component
Patent
1986-09-05
1988-03-08
Heller, Gregory A.
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
Carbon dioxide or hydrogen sulfide component
423226, 423229, 423232, 423234, C01B 1716, C01B 3120
Patent
active
047298839
ABSTRACT:
The invention relates to a process for the removal of acid gases from gaseous mixtures wherein said mixture is contacted with an aqueous alkaline solution comprising a compound of an alkali metal or ammonia and an alkanolamine-based promoter characterized in that the promoter is a mixture of at least one secondary alkanolamine and at least one N-alkyl-2-aminoethanol, said alkyl radical containing up to 3 carbon atoms.
REFERENCES:
patent: 3856921 (1974-12-01), Shrier et al.
patent: 4112052 (1978-09-01), Sartori et al.
Lam Chi W.
Ritter Terence J.
Small Peter
British Gas Corporation
Freeman Lori S.
Heller Gregory A.
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