Solubility of Carbon Dioxide in MDEA-PZ-H_2O Solution and Thermodynamic Model
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Graphical Abstract
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Abstract
Solubility of CO 2 in aqueous mixtures of MDEA with PZ has been further measured and a thermodynamic model, which can be used for engineering calculation, is proposed with the average deviation of 9.7%. The study indicates that there exists a first order dissociation reaction for piperazine in the solution and the second order dissociation reaction can be neglected.
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