Bromate reduction by an electron exchange column

Neelam, Yael Albo, Ariela Burg, Dror Shamir, Dan Meyerstein

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


Polyoxometalates (POMs), Na3PW12O40 and H5AlW12O40 were entrapped in silica matrices using the sol-gel process and utilized as reducing electron exchange columns for the reduction of bromate. Bromate is a toxic disinfection by-product, generated during the ozonation process of water. The results distinctly show that this hazardous compound can be efficiently removed from aqueous media at different pH values without the addition of any chemicals to the media. Furthermore, the reducing capacity of the matrices can be recharged without loss of activity. This is the first reported practicable application of reducing electron exchange columns.

Original languageEnglish
Pages (from-to)419-422
Number of pages4
JournalChemical Engineering Journal
StatePublished - 2017


  • Bromate reduction
  • Electron exchange column
  • Polyoxometalate
  • Sol-gel


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