Reaction Kinetics of Carbon Dioxide (CO2) with Diethylenetriamine and 1-Amino-2-propanol in Nonaqueous Solvents Using Stopped-Flow Technique

Nan Zhong, Helei Liu, Xiao Luo, Jaber Al Marri, Abdelbaki Benamor, Raphael Idem, Paitoon Tontiwachwuthikul, Zhiwu Liang

Research output: Contribution to journalArticle

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Abstract

In this work, the reaction kinetics of carbon dioxide (CO2) with diethylenetriamine (DETA) and 1-amino-2-propanol (1-AP) in methanol and ethanol systems were measured using the stopped flow technique over a temperature range of 293-313 K in terms of pseudo-first-order rate constant (k0). Concentration in the range of 10 to 50 mol/m3 for diethylenetriamine, and 20 to 100 mol/m3 for 1-amino-2-propanol were studied. The experimental data show that the pseudo-first-order rate constants (k0) increase with the increase of both amine concentration and temperature. The zwitterion mechanism and the termolecular mechanism were used to represent the data for DETA in methanol and ethanol systems with excellent ADDs of 3.5% and 2.4%, respectively, and 1-AP in methanol and ethanol systems with excellent ADDs of 2.4% and 2.6%, respectively. In comparison with EDA and AEEA in terms of k2, DETA exhibits a better reaction kinetics performance for capturing CO2. Those results will be useful in finding an efficient method for the removal of CO2 from industrial gases.

Original languageEnglish
Pages (from-to)7307-7317
Number of pages11
JournalIndustrial and Engineering Chemistry Research
Volume55
Issue number27
DOIs
Publication statusPublished - 13 Jul 2016
Externally publishedYes

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Propanol
Carbon Dioxide
Reaction kinetics
Carbon dioxide
Methanol
Ethanol
Rate constants
Amines
Temperature
Gases
monoisopropanolamine
diethylenetriamine

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

Cite this

Reaction Kinetics of Carbon Dioxide (CO2) with Diethylenetriamine and 1-Amino-2-propanol in Nonaqueous Solvents Using Stopped-Flow Technique. / Zhong, Nan; Liu, Helei; Luo, Xiao; Al Marri, Jaber; Benamor, Abdelbaki; Idem, Raphael; Tontiwachwuthikul, Paitoon; Liang, Zhiwu.

In: Industrial and Engineering Chemistry Research, Vol. 55, No. 27, 13.07.2016, p. 7307-7317.

Research output: Contribution to journalArticle

Zhong, Nan ; Liu, Helei ; Luo, Xiao ; Al Marri, Jaber ; Benamor, Abdelbaki ; Idem, Raphael ; Tontiwachwuthikul, Paitoon ; Liang, Zhiwu. / Reaction Kinetics of Carbon Dioxide (CO2) with Diethylenetriamine and 1-Amino-2-propanol in Nonaqueous Solvents Using Stopped-Flow Technique. In: Industrial and Engineering Chemistry Research. 2016 ; Vol. 55, No. 27. pp. 7307-7317.
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AU - Al Marri, Jaber

AU - Benamor, Abdelbaki

AU - Idem, Raphael

AU - Tontiwachwuthikul, Paitoon

AU - Liang, Zhiwu

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