Aqueous solution which efficiently absorbs and recovers carbon dioxide in exhaust gas, and method for recovering carbon dioxide using same
AssigneesResearch Institute of Innovative Technology for the Earth, Nippon Steel & Sumitomo Metal Corporation
InventorsTakayuki Higashii, Firoz A. Chowdhury, Kazuya Goto, Masami Onoda, Yoichi Matsuzaki
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Abstract
Disclosed is an aqueous solution for absorbing and recovering carbon dioxide from a carbon dioxide-containing gas, the aqueous solution containing an amino alcohol compound represented by Formula 1 and an amine compound represented by Formula 2, wherein R represents an alkyl group having 1 to 5 carbon atoms; and n represents 1 or 2, wherein X represents —NR1R2; Y represents —NR3R4; R1, R2, R3 and R4 may be the same or different, and each represents an alkyl group having 1 to 3 carbon atoms; and m represents an integer of 3 to 7.
Claims5
An aqueous solution for absorbing and recovering carbon dioxide from a carbon dioxide-containing gas, the aqueous solution comprising an amino alcohol compound represented by Formula 1 and an amine compound represented by Formula 2,
- wherein R represents an alkyl group having 1 to 5 carbon atoms, and n represents 1 or 2,
- wherein X represents —NR1R2;
- Y represents —NR3R4;
- R1, R2, R3 and R4 may be the same or different, and each represents an alkyl group having 1 to 3 carbon atoms;
- and m represents an integer of 3 to 7.
Dependencies are inferred from the claim text.