Recycling of Ionic Liquid in the Cellulose Fibre Spinning

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review


Ionic liquids are promising new solvents for cellulose processing, e.g. for the production of man-made cellulosic fibers. Due to the relatively high cost of these new solvents, they need to be recovered and recycled in the process. This paper discusses the removal of water from the ionic liquid, which is the main task in the recycling of the solvent used for fibre spinning. By optimizing the process conditions, a sufficiently low water content was reached. The challenges related to the stability of the solvent are addressed, and approaches for the solvent purification are discussed.
Original languageEnglish
Title of host publicationISWFPC 2017 - 19th International Symposium on Wood, Fibre and Pulping Chemistry
Subtitle of host publicationProceeding
EditorsJorge L. Colodette, Fernando J.B. Gomes
Number of pages4
Publication statusPublished - 2017
MoE publication typeA4 Article in a conference publication
EventInternational Symposium on Wood, Fibre and Pulping Chemistry - Arraial d'Ajuda Eco Resort, Porto Seguro, BA, Brazil, Porto Seguro, Brazil
Duration: 30 Aug 20171 Sep 2017
Conference number: 19


ConferenceInternational Symposium on Wood, Fibre and Pulping Chemistry
Abbreviated titleISWFPC 2017
CityPorto Seguro
Internet address


  • ionic liquids
  • solvent recovery
  • fiber spinning
  • man-made cellulose fibers


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