Zirconium mesostructures entrapped in calcium alginate for treating phosphate ion in reject water after sludge dewatering

K. H. Yeon, S. Lee, Y. M. Park, Y. S. Choi, Sang-Hyup Lee

Research output: Contribution to journalArticle

Abstract

The zirconium mesostructures (ZM), which have a high sorption capacity for phosphate in its original powder form, were molded by calcium alginate to have a bead form for practical application. And the ZM bead was estimated as a potential adsorbent for the phosphate in reject water after sludge dewatering by varying ZM contents in it and its particle size. It was found that more than 99% of phosphate could be removed under optimal conditions using ZM beads. The maximum sorption capacity of ZM beads for the single-existing phosphate in distilled water was estimated to be 56.7 mg/g. Even though the ZM bead had 1.8 times lower phosphate sorption capacity than the equivalent original ZM powder, it still showed 2.2 times higher capacity than the existing anion adsorbent like activated alumina. This study showed that ZM bead could be used as a promising adsorbent for treating the phosphate in the reject water after sludge dewatering.

Original languageEnglish
Pages (from-to)185-190
Number of pages6
JournalJournal of Residuals Science and Technology
Volume4
Issue number4
Publication statusPublished - 2007 Oct 1

Fingerprint

alginate
Alginate
Dewatering
dewatering
Zirconium
Calcium
Phosphates
calcium
sludge
phosphate
Ions
ion
Water
Adsorbents
Sorption
water
sorption
Powders
Activated alumina
alginic acid

ASJC Scopus subject areas

  • Environmental Chemistry
  • Environmental Engineering
  • Waste Management and Disposal

Cite this

Zirconium mesostructures entrapped in calcium alginate for treating phosphate ion in reject water after sludge dewatering. / Yeon, K. H.; Lee, S.; Park, Y. M.; Choi, Y. S.; Lee, Sang-Hyup.

In: Journal of Residuals Science and Technology, Vol. 4, No. 4, 01.10.2007, p. 185-190.

Research output: Contribution to journalArticle

Yeon, K. H. ; Lee, S. ; Park, Y. M. ; Choi, Y. S. ; Lee, Sang-Hyup. / Zirconium mesostructures entrapped in calcium alginate for treating phosphate ion in reject water after sludge dewatering. In: Journal of Residuals Science and Technology. 2007 ; Vol. 4, No. 4. pp. 185-190.
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