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Department of Chemical Engineering, Hacettepe University, Ankara, Turkey E-mail: oyuksel@hacettepe.edu.tr Manuscript received online 20 October 2020, revised and accepted 31 October 2020 In the scope of this work, the kinetic parameters for the reaction between CO2 and promoted CO2 BOLs were achieved by using stopped-flow technique. As an organic base DBU (1,8-diazabicyclo[5.4.0]undec-7-ene) and as promoters MEA (monoethanolamine) and morpholine were investigated. Experiments were performed under constant DBU weight percentage by varying promoter concentration in 1-hexanol medium at 298 K. The experimental kinetic data was analysed by applying a modified termolecular reaction mechanism. Power law kinetics was performed by plotting the natural logarithm of pseudo-first order reaction rate constants (k0, s–1) vs promoter (morpholine or MEA) concentration. The fractional reaction orders were determined to be between 1.2 and 1.4 |
