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Effect of KMP Stabilization on Chemical Properties of a Heavy-Metal Contaminated Site Soil

  • Wei-Yi Xia
  • Yan-Jun Du
  • Martin D. Liu
  • Ya-Song Feng
  • Yu-Ling Yang
Conference paper
Part of the Environmental Science and Engineering book series (ESE)

Abstract

This paper presents a comprehensive investigation of chemical properties, including soil pH, acid neutralizing capacity, metal leachability and chemical speciation, of a Zn, Pb and Cd contaminated site soil stabilized by KMP. The results show that the KMP stabilized soils have lower pH and higher resistance to acid attack than the untreated soil; the KMP is effective in reducing the metal leachability and changing the metal speciation, and the corresponding leached concentrations significantly below their regulatory limits; furthermore, lower acid soluble fraction contents contributes to the lower metal leachability in contaminated soils.

Keywords

Chemical speciation Phosphate Leachability Heavy metal contaminated soil 

Notes

Acknowledgements

The authors appreciate the support of Environmental Protection Scientific Research Project of Jiangsu Province (Grant No. 2016031), National Natural Science Foundation of China (Grant No. 41330641 and 41472258), and National High Technology Research and Development Program of China (Grant No. 2013AA06A206).

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Wei-Yi Xia
    • 1
  • Yan-Jun Du
    • 1
  • Martin D. Liu
    • 2
  • Ya-Song Feng
    • 1
  • Yu-Ling Yang
    • 1
  1. 1.Jiangsu Key Laboratory of Urban Underground Engineering and Environmental Safety, Institute of Geotechnical EngineeringSoutheast UniversityNanjingChina
  2. 2.University of WollongongWollongongAustralia

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