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Investigation of carbon dioxide solubility in aqueous N-methyldiethanolamine (MDEA)-1- butyl-3-methylimidazolium acetate (bmimAc) hybrid solvent

Hailegiorgis, S.M. and Khan, S.N. and Abdolah, N.H.H. and Ayoub, M. and Tesfamichael, A. (2018) Investigation of carbon dioxide solubility in aqueous N-methyldiethanolamine (MDEA)-1- butyl-3-methylimidazolium acetate (bmimAc) hybrid solvent. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, 42 (1). pp. 65-71.

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Official URL: https://www.scopus.com/inward/record.uri?eid=2-s2....

Abstract

In this research work, aqueous hybrid solvents were prepared at different concentrations of 1-butyl-3-methylimidazolium acetate, bmimAc as ionic liquids (ILs) and N-methyldiethanolamine (MDEA) for the capturing of carbon dioxide (CO2). The concentration of MDEA was kept constant at 30 wt% in every hybrid solvent investigated. The solubility of CO2 in the hybrid solvent was investigated by varying the concentration of bmimAc in the aqueous hybrid solvent as 10 wt% and 20 wt%. For comparison, the solubility experiment was also conducted for pure aqueous MDEA solvent. Addition of bmimAc in the hybrid solvent reasonably enhanced the solubility of CO2 as compared to its solubility in pure aqueous MDEA solvent. The loading capacity of hybrid solvent was also improved significantly with hybrid solvents. Further increasing the concentration of bmimAc from 10 wt% to 20 wt% has demonstrated a decrease in the solubility of CO2 into the hybrid solvent. The effect of pressure on loading capacity and rate of absorption was also investigated by increasing the pressure from 10 bar to 20 bar. Both loading capacity and rate of absorption increased with increasing pressure. Promising results were achieved using hybrid solvents for capturing of CO2. © 2018 Penerbit Akademia Baru - All rights reserved.

Item Type:Article
Impact Factor:cited By 0
ID Code:21787
Deposited By: Ahmad Suhairi
Deposited On:01 Aug 2018 02:04
Last Modified:01 Aug 2018 02:04

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