Published January 1, 2017
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Innovative Carbon Dioxide-Capturing Organic Solvent: Reaction Mechanism and Kinetics
- 1. Hacettepe Univ, Dept Chem Engn, TR-06800 Beytepe, Turkey
- 2. Amasya Univ, Dept Phys, Akbilek Mah Muhsin Yazicioglu Cad 7, TR-05100 Amasya, Turkey
- 3. Atilim Univ, Computat Chem Lab, Chem Engn & Appl Chem Dept, Kizilcasar Mahallesi, TR-06836 Incek Ankara, Turkey
Description
The reaction rates of CO2 with an innovative CO2-capturing organic solvent (CO2COS), consisting of blends of 2-tert-butyl-1,1,3,3-tetramethylguanidine (BTMG) and 1-propanol, were obtained as function of BTMG concentration and temperature. A stopped-flow apparatus with conductivity detection was used. The reaction was modeled by means of a modified termolecular reaction mechanism which resulted in a second-order rate constant, and activation energies were calculated for a defined temperature range. Quantum chemical calculations at the B3LYP/6-31G(d) level also produced the activation energy of this reaction system which strongly supports the experimental findings.
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