Effects of concentration and viscosity on the absorption of CO2 in [N1111][Gly] promoted MDEA (methyldiethanolamine) aqueous solution

Dong Fu, Pan Zhang and ChenLu Mi

Energy, 2016, vol. 101, issue C, 288-295

Abstract: The absorption of CO2 in tetramethylammonium glycinate ([N1111][Gly]) promotedMDEA (methyldiethanolamine) aqueous solution was investigated. The temperature ranged from 303.2 K to 323.2 K. The mass fractions of MDEA and [N1111][Gly] respectively ranged from 0.3 to 0.45 and 0.05 to 0.15. The influences of temperature and concentration on the absorption capacity of CO2 were determined. The viscosities of CO2-unloaded and CO2-loaded MDEA-[N1111][Gly] aqueous solutions were measured and correlated. The experiments showed that the absorption rate of CO2 obviously increased when the MDEA aqueous solution was promoted by [N1111][Gly]. The effects of temperature, concentration and solution viscosity on the absorption rate were illustrated.

Keywords: Absorption capacity; Viscosity; CO2; [N1111][Gly]; MDEA (methyldiethanolamine) (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:101:y:2016:i:c:p:288-295

DOI: 10.1016/j.energy.2016.02.052

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