Screening of Aqueous Amine‐Based Solvents for Postcombustion CO 2  Capture by Chemical Absorption | Zendy

Dubois L. | Zendy; Thomas D. | Zendy

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Screening of Aqueous Amine‐Based Solvents for Postcombustion CO 2 Capture by Chemical Absorption

Author(s) -

Dubois L.,

Thomas D.

Publication year - 2012

Publication title -

chemical engineering and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.403

H-Index - 81

eISSN - 1521-4125

pISSN - 0930-7516

DOI - 10.1002/ceat.201100523

Subject(s) - amine gas treating , absorption (acoustics) , chemistry , aqueous solution , piperazine , solvent , analytical chemistry (journal) , chromatography , organic chemistry , materials science , composite material

In relation with CO 2 capture by chemical absorption into aqueous amine‐based solvents, absorption and regeneration parameters by separate absorption and regeneration tests are determined. An absorption parameter for different types of amine‐based solvents is evaluated by performing absorption tests at 298 K and atmospheric pressure with a gas‐liquid contactor and deducing apparent kinetic constants. The regeneration parameter is obtained from a CO 2 concentration temporal profile measured in a regeneration cell at the boiling temperature of each solvent. By combining both parameters it is possible to compare the absorption‐regeneration performances of all the solvents studied. Good absorption‐regeneration performances of cyclical amines, especially of piperidine (PIP) and piperazine (PZ), are highlighted. The interesting potential of 2‐amino‐2‐methyl‐1‐propanol (AMP) and methyldiethanolamine (MDEA) activated with PZ and PIP is also considered.

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