CO2 capture by a task-specific ionic liquid

Eleanor D. Bates, Rebecca D. Mayton, Ioanna Ntai, James H. Davis*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1754 Scopus citations

Abstract

Reaction of 1-butyl imidazole with 3-bromopropylamine hydrobromide, followed by workup and anion exchange, yields a new room temperature ionic liquid incorporating a cation with an appended amine group. The new ionic liquid reacts reversibly with CO2, reversibly sequestering the gas as a carbamate salt. The new ionic liquid, which can be repeatedly recycled in this role, is comparable in efficiency for CO2 capture to commercial amine sequestering reagents, and yet is nonvolatile and does not require water to function.

Original languageEnglish (US)
Pages (from-to)926-927
Number of pages2
JournalJournal of the American Chemical Society
Volume124
Issue number6
DOIs
StatePublished - Feb 12 2002

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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