Extraction Behavior of Uranium(VI) with Polyurethane Foam

Ting Chia Huang, Dong Hwang Chen, Mu Chang Shieh, Ching Tsven Huang

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

The extraction of uranium(VI) from aqueous solution with polyether-based polyurethane (PU) foam was studied. The effects of the kinds and concentrations of nitrate salts, uranium(VI) concentration, temperature, nitric acid concentration, pH, the content of poIy(ethylene oxide) in the polyurethane foam, and the ratio of PU foam weight and solution volume on the extraction of uranium(VI) were investigated. The interferences of fluoride and carbonate ions on the extraction of uranium(VI) were also examined, and methods to overcome both interferences were suggested. It was found that no uranium was extracted in the absence of a nitrate salting-out agent, and the extraction behaviors of uranium(VI) with polyurethane foam could be explained in terms of an etherlike solvent extraction mechanism. In addition, the percentage extraction of a multiple stage was also estimated theoretically.

Original languageEnglish
Pages (from-to)1619-1632
Number of pages14
JournalSeparation Science and Technology
Volume27
Issue number12
DOIs
Publication statusPublished - 1992 Oct 1

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Process Chemistry and Technology
  • Filtration and Separation

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