Enhanced solubility of carbon dioxide for encapsulated ionic liquids in polymeric materials

Shayan Kaviani, Saloumeh Kolahchyan, Kerri L. Hickenbottom, Alexander M. Lopez, Siamak Nejati

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Ionic liquids (ILs) as the solvents for carbon dioxide (CO2), with high capacity and selectivity, are promising candidates for CO2 capture. Developing methods such as microencapsulation that enable the cost-effective and regenerable operation using ILs-based absorbent is of paramount importance to carbon capture and management technologies. In this study, we investigated the feasibility of IL encapsulation within a polymeric shell and evaluated the performance of the capsules in CO2 absorption from the gas phase. We learned that encapsulation enhances the intrinsic capacity of an ionic liquid in CO2 sorption. The proper choice of chemistry for the polymeric matrix and the high specific surface area of the capsules allows the encapsulated ILs to outperform their liquid counterpart. We report unprecedented recyclability, encapsulation retention, and absorption capacity for the encapsulated IL absorbent designed for CO2 sorption. We observed a synergistic effect on the CO2 absorption capacity of the capsules as a result of using a fluorine-containing polymer.

Original languageEnglish (US)
Pages (from-to)753-757
Number of pages5
JournalChemical Engineering Journal
Volume354
DOIs
StatePublished - Dec 15 2018

Fingerprint

Ionic Liquids
Ionic liquids
Carbon Dioxide
Carbon dioxide
solubility
Solubility
carbon dioxide
encapsulation
Polymers
Encapsulation
Capsules
Sorption
sorption
Microencapsulation
Fluorine containing polymers
Carbon capture
fluorine
Specific surface area
ionic liquid
material

Keywords

  • Carbon capture
  • Enhanced solubility
  • Fluoropolymer
  • Ionic liquid
  • Microencapsulation

ASJC Scopus subject areas

  • Chemistry(all)
  • Environmental Chemistry
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

Cite this

Enhanced solubility of carbon dioxide for encapsulated ionic liquids in polymeric materials. / Kaviani, Shayan; Kolahchyan, Saloumeh; Hickenbottom, Kerri L.; Lopez, Alexander M.; Nejati, Siamak.

In: Chemical Engineering Journal, Vol. 354, 15.12.2018, p. 753-757.

Research output: Contribution to journalArticle

Kaviani, Shayan ; Kolahchyan, Saloumeh ; Hickenbottom, Kerri L. ; Lopez, Alexander M. ; Nejati, Siamak. / Enhanced solubility of carbon dioxide for encapsulated ionic liquids in polymeric materials. In: Chemical Engineering Journal. 2018 ; Vol. 354. pp. 753-757.
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