Ionic liquid technology to recover volatile organic compounds (VOCs)

Journal re
Journal of Hazardous Materials
  • Volumen: 321
  • Fecha: 05 January 2017
  • Páginas: 484-499
  • ISSN: 18733336 03043894
  • Source Type: Journal
  • DOI: 10.1016/j.jhazmat.2016.09.040
  • Document Type: Review
  • Publisher: Elsevier B.V.
© 2016 Elsevier B.V.Volatile organic compounds (VOCs) comprise a wide variety of carbon-based materials which are volatile at relatively low temperatures. Most of VOCs pose a hazard to both human health and the environment. For this reason, in the last years, big efforts have been made to develop efficient techniques for the recovery of VOCs produced from industry. The use of ionic liquids (ILs) is among the most promising separation technologies in this field. This article offers a critical overview on the use of ionic liquids for the separation of VOCs both in bulk and in immobilized form. It covers the most relevant works within this field and provides a global outlook on the limitations and future prospects of this technology. The extraction processes of VOCs by using different IL-based assemblies are described in detail and compared with conventional methods This review also underlines the advantages and limitations posed by ionic liquids according to the nature of the cation and the anions present in their structure and the stability of the membrane configurations in which ILs are used as liquid phase.

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