B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
252/30, 23/356
B01D 53/34 (2006.01) B01D 53/14 (2006.01)
Patent
CA 1091640
ABSTRACT OF DISCLOSURE Carbon dioxide containing acidic gases are substantially removed form a normally gaseous mixture by a process comprising contacting the normally gaseous mixture with an aqueous amine solution, wherein the amine consists of at least about 50 mol % of a sererically hindered amino alcohol and at least about 10 mol % of a tertiary amino alcohol, wherein said sterically hindered amino alcohol contains at least one secondary amino group which is part of a ring and is attached to either a secondary or tertiary carbon atom or a primary amino group attached to a tertiary carbon atom. The coaction of the sterically hindered amino alcohol and the tertiary amino alcohol provide an increase in the amount of carbon dioxide containing acidic gases absorbed compared to the use of the sterically hindered amines alone and lowers the heat of reaction.
294758
Sartori Guido
Savage David W.
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
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