Preparation of Fe-AI layered double hydroxide and its application in Sb removal

Tomohito Kameda, Noritoshi Yagihashi, Kye Sung Park, Guido Grause, Toshiaki Yoshioka

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

Fe-AI layered double hydroxide (Fe-AI LDH) was prepared from a mixed solution of FeCl2 and A1C13 at a constant pH by co-precipitation. Simultaneously, amorphous FeO(OH) and Al(OH)3 precipitated. A lower solution pH for the preparation resulted in more Fe-AI LDH in the precipitate, and the precipitate was able to effectively remove antimonate [Sb(V)] from an aqueous solution. This was attributable to the anion exchange properties of Fe-AI LDH contained in the precipitate, and the adsorption of SbO3- on the surface of the FeO(OH) contained in the precipitate.

Original languageEnglish
Pages (from-to)1006-1010
Number of pages5
JournalFresenius Environmental Bulletin
Volume18
Issue number6
Publication statusPublished - 2009

Keywords

  • Layered double hydroxide
  • Preparation
  • Removal
  • Sb

ASJC Scopus subject areas

  • Environmental Chemistry
  • Waste Management and Disposal
  • Pollution

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