Process for the removal of carbon dioxide present in gases...

Details Process for the removal of carbon dioxide present in gases... Process for the removal of carbon dioxide present in gases...

B - Operations, Transporting

01

D

B01D 53/62 (2006.01) B01D 53/14 (2006.01)

Patent

CA 2265416

This invention relates to a process for the removal of carbon dioxide present in gases which includes the step of bringing a carbon dioxide-containing gas into contact with an aqueous solution containing, as an absorbent, at least one amine compound of the general formula (1) RN (CH2CH2OH)2 (1) wherein R represents an alkyl group of 2 to 4 carbon atoms, or an aqueous solution containing both at least one amine compound of the above general formula (1) and at least one other amine compound, as well as a system therefor. This invention can provide a process for the removal of carbon dioxide present in gases by use of an absorbing fluid containing an absorbent having higher CO2-absorbing power and CO2-releasing power and being more advantageous from the viewpoint of energy efficiency, as compared with the conventionally used absorbing fluid.

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