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Lookup NU author(s): Dr Wojciech MrozikORCiD
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The study examined the usefulness of a Fenton-like system for the degradation of ionic liquid residues in water. The ionic liquid was oxidized in a dilute aqueous solution of 1-butyl-3-methylimidazolium chloride (bmimCl). The ionic liquid decomposes readily and rapidly in aqueous solution by chemical degradation in a Fenton-like system. Under chosen conditions the initial bmimCl solution was reduced by a factor of 0.973 within 90 min. Additional results showed that bmimCl degradations in a Fenton-like system in excess H2O2 could be interpreted as a combined oxidation-reduction mechanism. Preliminary investigations of the mechanism of such degradations have indicated that initial OH{radical dot} radicals can attack any one of the three carbon atoms on the imidazolium ring. The intermediates of this reaction may be mono- di- or amino- carboxylic acids.
Author(s): Siedlecka EM, Mrozik W, Kaczynski Z, Stepnowski P
Publication type: Article
Publication status: Published
Journal: Journal of Hazardous Materials
Year: 2008
Volume: 154
Issue: 1-3
Pages: 893-900
ISSN (print): 0304-3894
ISSN (electronic): 1873-3336
Publisher: Elsevier
URL: http://dx.doi.org/10.1016/j.jhazmat.2007.10.104
DOI: 10.1016/j.jhazmat.2007.10.104
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