Use of ionic liquids as 'green' solvents for extractions

Hua Zhao, Shuqian Xia, Peisheng Ma

Research output: Contribution to journalReview articlepeer-review

836 Scopus citations


This review summarizes recent applications of ionic liquids (ILs) as 'green' solvents in extractions of a variety of substances, including metal ions, organic and bio- molecules, organosulfur from fuels, and gases. ILs could also be used along with another 'green' technology, supercritical fluid extraction (SFE), for a more effective separation of products from ILs. In addition to their environmentally-benign feature, ILs have other favorable properties over organic solvents used for extraction, such as adjustable hydrophobicity, polarity and selectivity.

Original languageEnglish (US)
Pages (from-to)1089-1096
Number of pages8
JournalJournal of Chemical Technology and Biotechnology
Issue number10
StatePublished - Oct 2005
Externally publishedYes


  • Extraction
  • Green technology
  • Industrial applications
  • Ionic liquid
  • Supercritical fluid


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