Removal of fluoride from water through ion exchange by mesoporous Ti oxohydroxide

Li Ngee Ho, Tatsumi Ishihara, Soichiro Ueshima, Hiroyasu Nishiguchi, Yusaku Takita

Research output: Contribution to journalArticlepeer-review

74 Citations (Scopus)


In our previous study, we found that Ti(OH)4 exhibited fluoride ion exchange properties. In order to improve the ion exchange capacity, mesoporous Ti oxohydroxide (TiOx(OH)y) had been prepared by using dodecylamine as template. Zirconia and silica had been introduced into the mesoporous Ti oxohydroxide to enhance the ion exchange capacity. The mesoporous structure and the morphology of the mesoporous materials obtained were confirmed using XRD and SEM, respectively. A fluoride ion exchange study was done on each sample. Results showed that mesoporous Ti oxohydroxide containing zirconia exhibited the highest fluoride ion exchange capacity, as it has the smallest particle size, with high uniformity among the mesoporous materials prepared.

Original languageEnglish
Pages (from-to)399-403
Number of pages5
JournalJournal of Colloid And Interface Science
Issue number2
Publication statusPublished - Apr 15 2004
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Surfaces, Coatings and Films
  • Colloid and Surface Chemistry


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