Amino acid salt solutions for carbon dioxide capture

M.E. Majchrowicz

Research output: ThesisPhD Thesis - Research UT, graduation UTAcademic

618 Downloads (Pure)

Abstract

Reactive absorption is a common process in the chemical industry and is used, among others, in the treatment of CO2 containing industrial gas streams. The current work was a part of a project with the aim to assess new reactive solvents based on amino acid salts for CO2 removal from industrial gas streams. Initially, a group of promising amino acid salts (taurine, sarcosine, L-proline, -alanine, 6-aminohexanoic acid and DL-methionine) was screened for their CO2 absorption kinetics, pKa values, CO2 effective capacity, precipitation window and identity of the precipitates. Based on the results of this study, the (alkaline salt) of imino acid L-proline was chosen for further investigation. For this solvent, important characteristics like physico-chemical properties, CO2 absorption kinetics, thermodynamic equilibria and energy consumption for a solvent regeneration (reboiler duty) were determined. The potential of L-proline and other (precipitating) amino acid salts solutions for CO2 capture and utilization is still not fully explored and deserves further consideration.
Original languageEnglish
Awarding Institution
  • University of Twente
Supervisors/Advisors
  • Kersten, Sascha R.A., Supervisor
  • van Swaaij, Willibrordus P.M., Supervisor
  • Brilman, Derk W.F., Supervisor
Award date7 Nov 2014
Place of PublicationEnschede
Publisher
Print ISBNs978-90-365-3780-3
DOIs
Publication statusPublished - 7 Nov 2014

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Carbon Dioxide
Salts
Proline
Amino Acids
Gases
Imino Acids
Sarcosine
Reboilers
Aminocaproic Acid
Kinetics
Taurine
Chemical industry
Alanine
Methionine
Chemical properties
Precipitates
Energy utilization
Thermodynamics

Keywords

  • IR-92360
  • METIS-305772

Cite this

Majchrowicz, M.E.. / Amino acid salt solutions for carbon dioxide capture. Enschede : GildePrint, 2014. 120 p.
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Amino acid salt solutions for carbon dioxide capture. / Majchrowicz, M.E.

Enschede : GildePrint, 2014. 120 p.

Research output: ThesisPhD Thesis - Research UT, graduation UTAcademic

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T1 - Amino acid salt solutions for carbon dioxide capture

AU - Majchrowicz, M.E.

PY - 2014/11/7

Y1 - 2014/11/7

N2 - Reactive absorption is a common process in the chemical industry and is used, among others, in the treatment of CO2 containing industrial gas streams. The current work was a part of a project with the aim to assess new reactive solvents based on amino acid salts for CO2 removal from industrial gas streams. Initially, a group of promising amino acid salts (taurine, sarcosine, L-proline, -alanine, 6-aminohexanoic acid and DL-methionine) was screened for their CO2 absorption kinetics, pKa values, CO2 effective capacity, precipitation window and identity of the precipitates. Based on the results of this study, the (alkaline salt) of imino acid L-proline was chosen for further investigation. For this solvent, important characteristics like physico-chemical properties, CO2 absorption kinetics, thermodynamic equilibria and energy consumption for a solvent regeneration (reboiler duty) were determined. The potential of L-proline and other (precipitating) amino acid salts solutions for CO2 capture and utilization is still not fully explored and deserves further consideration.

AB - Reactive absorption is a common process in the chemical industry and is used, among others, in the treatment of CO2 containing industrial gas streams. The current work was a part of a project with the aim to assess new reactive solvents based on amino acid salts for CO2 removal from industrial gas streams. Initially, a group of promising amino acid salts (taurine, sarcosine, L-proline, -alanine, 6-aminohexanoic acid and DL-methionine) was screened for their CO2 absorption kinetics, pKa values, CO2 effective capacity, precipitation window and identity of the precipitates. Based on the results of this study, the (alkaline salt) of imino acid L-proline was chosen for further investigation. For this solvent, important characteristics like physico-chemical properties, CO2 absorption kinetics, thermodynamic equilibria and energy consumption for a solvent regeneration (reboiler duty) were determined. The potential of L-proline and other (precipitating) amino acid salts solutions for CO2 capture and utilization is still not fully explored and deserves further consideration.

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