B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
23/356
B01J 10/00 (2006.01) B01D 53/14 (2006.01) B01D 53/52 (2006.01)
Patent
CA 1140731
ABSTRACT OF THE DISCLOSURE Acidic gases such as carbon dioxide are removed from a gaseous mixture including the acidic component by contacting the gaseous mixture in a scrubbing system with an acid absorbing solution comprising a basic alkali metal com- pound and an activator, during which process at least a portion of the activator is converted to cyclic urea. At least a portion of the scrubbing solution is transferred to a thermal conversion zone (40) wherein at least a portion of the cyclic urea is converted back to the activator after- which the scrubbing solution is returned to the scrubbing system from the thermal conversion zone (40).
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Chludzinski George R.
Hacker Barbara A.
Hays James R.
Iyengar Jagannathan N.
Kim Chang J.
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
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