Heat of absorption of CO<sub>2</sub> in aqueous N,N-diethylethanolamine+ N-methyl-1,3-propanediamine solutions at 313 K

Katarzyna Sobala; Hanna Kierzkowska-Pawlak

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Heat of absorption of CO₂ in aqueous N,N-diethylethanolamine+ N-methyl-1,3-propanediamine solutions at 313 K

Chemical Engineering Thermodynamics | Updated：2026-01-06

- Heat of absorption of CO₂ in aqueous N,N-diethylethanolamine+ N-methyl-1,3-propanediamine solutions at 313 K
- Chinese Journal of Chemical Engineering Vol. 27, Issue 3, Pages: 628-633(2019)
- Affiliations：
  
  Lodz University of Technology, Faculty of Process and Environmental Engineering,Lodz,Poland,90-924
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2019
- Accepted：
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in aqueous N,N-diethylethanolamine+ N-methyl-1,3-propanediamine solutions at 313 K[J]. Chinese Journal of Chemical Engineering, 2019, 27(3): 628-633.
DOI：

in aqueous N,N-diethylethanolamine+ N-methyl-1,3-propanediamine solutions at 313 K[J]. Chinese Journal of Chemical Engineering, 2019, 27(3): 628-633. DOI：

摘要

Abstract

Differential heat of absorption of CO

in aqueous solutions of N

N-diethylethanolamine (DEEA) and activated DEEA solutions up to a total concentration of 2 mol·L

-1

was measured as a function of CO

loading at 313.15 K using a reaction calorimeter. In order to analyze the performance of N-methyl-1

3-propanediamine (MAPA) as an activator

DEEA blended solutions containing 0.05

0.1 and 0.2 mol·L

-1

MAPA were studied. The heat of CO

absorption in single DEEA solutions was unaffected by changing the DEEA concentration in the range of (0.5-2) mol·L

-1

. On the other hand

increasing the concentration of MAPA in aqueous amine mixtures of (DEEA + MAPA) raised the heat of absorption.

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⁰

Heat of absorption of CO2 in aqueous N,N-diethylethanolamine+ N-methyl-1,3-propanediamine solutions at 313 K

DOI：

摘要

Abstract

关键词

Keywords

references

Heat of absorption of CO₂ in aqueous N,N-diethylethanolamine+ N-methyl-1,3-propanediamine solutions at 313 K