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Evaluation of 1-Butyl-3-methylimidazolium Bis(trifluoromethylsulfonyl)imide-Alkanolamine Sulfolane-Based System as Solvent for Absorption of Carbon Dioxide

  • Mohd Azlan Kassim
  • , Nor Asrina Sairi*
  • , Rozita Yusoff
  • , Yatimah Alias
  • , Mohamed Kheireddine Aroua
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

36 Scopus citations

Abstract

A mixture of 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (BMIM][NTf2]) and monoethanolamine (MEA) were added into a dipolar aprotic solvent, sulfolane to form a nonaqueous physical-chemical absorbent for CO2 absorption. The CO2 solubility achieved highest value of 2.861 mol/kg in mixture of 30 wt % MEA + 70 wt % sulfolane (0B30M) at 303.15 K and 2004 kPa. Comprehensive data on effect of temperature, pressure, and composition on the multicomponent were measured and correlated with maximum average absolute relative deviation of 4.89%. Formation of biphasic layer was observed and it was analyzed using nuclear magnetic resonance (NMR).

Original languageEnglish
Pages (from-to)7992-8001
Number of pages10
JournalIndustrial and Engineering Chemistry Research
Volume55
Issue number29
DOIs
StatePublished - 27 Jul 2016

Bibliographical note

Publisher Copyright:
© 2016 American Chemical Society.

ASJC Scopus subject areas

  • General Chemistry
  • General Chemical Engineering
  • Industrial and Manufacturing Engineering

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