An assessment of the utilization of waste resources for the immobilization of Pb and Cu in the soil from a Korean military shooting range

Mahtab Ahmad, Deok Hyun Moon, Kyoung Jae Lim, Christopher L. Shope, Sang Soo Lee, Adel R.A. Usman, Kwon Rae Kim, Jeong Hun Park, Seung Oh Hur, Jae E. Yang, Yong Sik Ok

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

Military shooting range soils contaminated by heavy metals have been subjected to remediation efforts to alleviate the detrimental effects of exposure on humans and the surrounding environment. Waste materials can be used as cost-effective soil amendments to immobilize heavy metals in contaminated soils. In this study, naturally occurring lime-based waste materials including egg shells, oyster shells, and mussel shells were assessed for their effectiveness toward heavy metal immobilization in military shooting range soil in Korea. Soil was treated in batch leaching experiments with 0, 2.5, 5, 10, and 15% of each lime-based waste material. The results showed that the lime-based waste materials effectively reduced water-soluble Pb at an application rate of 2.5% by weight of the soil. Increase in soil pH from 6.6 to 8.0 was considered to be the main chemistry of Pb immobilization, which was supported by the formation of insoluble Pb species at high pH values as confirmed by the visual MINTEQ thermodynamic model. In contrary, water-soluble Cu was increased in the lime-based waste material-treated soils when compared to the untreated soil. This was likely attributed to the formation of soluble Cu-DOC (dissolved organic carbon) complexes as all lime-based waste materials applied increased DOC contents in the soil. Therefore, care must be taken in selecting the appropriate amendment for immobilizing metals in shooting range soils.

Original languageEnglish
Pages (from-to)1023-1031
Number of pages9
JournalEnvironmental Earth Sciences
Volume67
Issue number4
DOIs
Publication statusPublished - 2012 Oct 1
Externally publishedYes

Fingerprint

waste utilization
immobilization
liming materials
Soils
lime
resource
Lime
soil
heavy metals
shell (molluscs)
Heavy Metals
polluted soils
heavy metal
shell
Heavy metals
soil amendments
remediation
egg shell
shooting range
dissolved organic carbon

Keywords

  • Chemical equilibrium model
  • Chemical stabilization
  • Dissolved organic matter
  • Remediation
  • Resource recycling
  • Small arms firing ranges

ASJC Scopus subject areas

  • Global and Planetary Change
  • Environmental Chemistry
  • Water Science and Technology
  • Soil Science
  • Pollution
  • Geology
  • Earth-Surface Processes

Cite this

An assessment of the utilization of waste resources for the immobilization of Pb and Cu in the soil from a Korean military shooting range. / Ahmad, Mahtab; Moon, Deok Hyun; Lim, Kyoung Jae; Shope, Christopher L.; Lee, Sang Soo; Usman, Adel R.A.; Kim, Kwon Rae; Park, Jeong Hun; Hur, Seung Oh; Yang, Jae E.; Ok, Yong Sik.

In: Environmental Earth Sciences, Vol. 67, No. 4, 01.10.2012, p. 1023-1031.

Research output: Contribution to journalArticle

Ahmad, Mahtab ; Moon, Deok Hyun ; Lim, Kyoung Jae ; Shope, Christopher L. ; Lee, Sang Soo ; Usman, Adel R.A. ; Kim, Kwon Rae ; Park, Jeong Hun ; Hur, Seung Oh ; Yang, Jae E. ; Ok, Yong Sik. / An assessment of the utilization of waste resources for the immobilization of Pb and Cu in the soil from a Korean military shooting range. In: Environmental Earth Sciences. 2012 ; Vol. 67, No. 4. pp. 1023-1031.
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