Sand capping for controlling phosphorus release from lake sediments

G. Kim, W. Jeong, S. Choi, Jeehyeong Khim

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

In this research, the use of the sand capping technique for controlling phosphorus release from lake sediment was evaluated experimentally. Multiple acrylic columns were prepared to measure the dissolved oxygen, oxidation reduction potential, total phosphorus, arid phosphate concentrations of the overlying water on the capping layer with thicknesses of 0, 40, and 80 mm. Sand capping effectively slowed down the reactions a depleted the dissolved oxygen, which as a result, controlled the total phosphorus release from the sediment. Oxidation reduction potential of overlying water was estimated by measuring dissolved oxygen in situ or vice versa by an empirical model proposed in this research. Sediment disturbance should be considered during field construction of the cap system. The experimental results showed that phosphorus existed in a more stable form with capping than without capping.

Original languageEnglish
Pages (from-to)381-389
Number of pages9
JournalEnvironmental Technology
Volume28
Issue number4
DOIs
Publication statusPublished - 2007 Apr 1

Fingerprint

capping
Lakes
Phosphorus
lacustrine deposit
Sediments
Sand
Dissolved oxygen
phosphorus
sand
Oxygen
dissolved oxygen
Oxidation-Reduction
Water
Research
Acrylics
Phosphates
sediment
phosphate
disturbance
water

Keywords

  • Capping
  • Lake
  • Phosphorus release
  • Sediments

ASJC Scopus subject areas

  • Environmental Science(all)
  • Environmental Chemistry

Cite this

Sand capping for controlling phosphorus release from lake sediments. / Kim, G.; Jeong, W.; Choi, S.; Khim, Jeehyeong.

In: Environmental Technology, Vol. 28, No. 4, 01.04.2007, p. 381-389.

Research output: Contribution to journalArticle

Kim, G. ; Jeong, W. ; Choi, S. ; Khim, Jeehyeong. / Sand capping for controlling phosphorus release from lake sediments. In: Environmental Technology. 2007 ; Vol. 28, No. 4. pp. 381-389.
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