CO2 capture by absorption in activated aqueous solutions of N,N-diethylethanoloamine

• Autorzy: Kruszczak E. , Kierzkowska-Pawlak H.

Identyfikatory

DOI

10.1515/eces-2017-0016

Warianty tytułu

PL

Absorpcyjne usuwanie CO2 w aktywowanych wodnych roztworach N,N-dietyletanoloaminy

• Języki publikacji: EN

Abstrakty

EN

The CO2 absorption process using aqueous amine solutions has been the most promising technique used for the removal of CO2 from gas streams in energy sector. In recent years, many researchers tested solutions which are composed of several compounds: a slow reacting tertiary amine- and a fast amine acting as an activator. In this paper, the CO2 absorption rate in an aqueous solution of N,N-diethylethanoloamine (DEEA) and activated solutions DEEA is investigated experimentally. The activators considered are sterically hindered amines: 2-amino-2-methyl-1-propanol (AMP), 2-amino-2-methyl-1,3-propanediol (AMPD) and N-methyl-1,3-propanediamine (MAPA) from the group of polyamines. The experiments were conducted over the temperature range of 303-333 K and the total amine concentration of 2 M. From the CO2 absorption experiments into mixed aqueous solutions of DEEA and MAPA, it was found that the addition of small amounts of MAPA into aqueous DEEA solutions has a significant effect on the enhancement of the CO2 absorption rate. The application of hindered amines: AMP or AMP as activators resulted in a marginally improvement of the absorption rate of CO2.

Słowa kluczowe

EN

CO2 capture; absorption kinetic; N,N-diethylethanolamine; amine blends

PL

usuwanie CO2; kinetyka absorpcji; N,N-dietyloetanoloaminy; mieszanki aminowe

• Wydawca: Towarzystwo Chemii i Inżynierii Ekologicznej
• Czasopismo: Ecological Chemistry and Engineering. S
• Rocznik: 2017
• Tom: Vol. 24, nr 2
• Strony: 239--248
• Opis fizyczny: Bibliogr. 22 poz., wykr., tab., rys.

Twórcy

autor

Kruszczak E.

• Faculty of Process and Environmental Engineering, Lodz University of Technology, ul. Wólczańska 213, 90-924 Łódź, Poland, phone [phone]

autor

Kierzkowska-Pawlak H.

• Faculty of Process and Environmental Engineering, Lodz University of Technology, ul. Wólczańska 213, 90-924 Łódź, Poland, phone [phone]

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).