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Modeling of carbon dioxide absorption by solution of piperazine and methyldiethanolamine in a rotating packed bed
Esmaeili, Arash Tamuzi, Amin Borhani, Tohid N Xiang, Yang Shao, Lei
Esmaeili, Arash
Tamuzi, Amin
Borhani, Tohid N
Xiang, Yang
Shao, Lei
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2021-09-15
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Abstract
CO2 removal by the blended amine solution of piperazine (PZ) and methyldiethanolamine (MDEA) with the various molar concentration ratios in a rotating packed bed (RPB) was modelled using MATLAB linked to Aspen Plus. All the required correlations for the RPB in addition to the mass and energy balances were written in MATLAB while the demanded physical and transport properties were extracted from Aspen Plus. The similar operating conditions and compositions in the reported experiments were used to run the model by the two-film theory for mass transfer as steady state, while the impact of five different parameters on the CO2 absorption efficiency was examined to validate the model. The modeling results are in good agreement with the experimental data for which the average absolute deviation is less than 7.0%. The process analysis revealed that rotational speed and PZ concentration have the most significant effects on CO2 absorption efficiency.
Citation
Esmaeili, A., Tamuzi, A., Borhani, T.N., Xiang, Y., and Shao, L. (2021) Modeling of carbon dioxide absorption by solution of piperazine and methyldiethanolamine in a rotating packed bed, Chemical Engineering Science 248 (A), Article number 117118, doi: https://doi.org/10.1016/j.ces.2021.117118
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Journal article
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en
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This is an accepted manuscript of an article published by Elsevier in Chemical Engineering Science on 15/09/2021, available online: https://doi.org/10.1016/j.ces.2021.117118
The accepted version of the publication may differ from the final published version.
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0009-2509
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This work was financially supported by the National Natural Science Foundation of China (No. 22078009).