• Development of Elemental Technology for the Revitalization of Heavy Metal Contaminated Soil Remediated by Soil Washing

  • Seung-Hyun Lee1·Jong-Hwan Lee1·Woo-Chun Lee2·Sang-Woo Lee2·Soon-Oh Kim1*

  • 1Department of Geology and Research Institute of Natural Science (RINS), Gyeongsang National University, Jinju 52828, Korea
    2HS Environmental Technology Research Center, Hosung Inc., Jinju 52818, Korea

  • 중금속 오염 토양의 토양세척 정화 후 토양 건강성 회복을 위한 요소 기술 개발

  • 이승현1·이종환1·이우춘2·이상우2·김순오1*

  • 1경상대학교 지질과학과 및 기초과학연구소(RINS)
    2(주)호성 HS환경기연구소

  • This article is an open access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Soil health can deteriorate through both contamination and remediation. Accordingly, revitalization processes are needed to reuse or recycle the remediated soil. The study was conducted to assess the changes in soil health parameters of heavy metals-contaminated soil during soil washing process. In addition, unit processes were proposed to improve the quality of the remediated soil relevant to its reclamation purposes, such as agricultural and forest lands. A total of 21 indicators were used to determine whether the soil health was degraded or recovered. The performance of 6 amendments in improving soil health was quantitatively evaluated according to their dosage and application duration. Finally, the experimental results were assessed by simple regression analyses to determine the statistical significance and relative performance of each amendment. The results indicated that 18 health indicators out of 21 deteriorated through the soil washing process. Based on the results, it is recommended that several effective amendments be complementarily combined and applied in real applications because use of single amendment does not likely improve the quality of remediated soils.


Keywords: Heavy metal contaminated soil, Soil washing, Soil health, Recycling, Reuse

This Article

  • 2023; 28(5): 36-50

    Published on Oct 31, 2023

  • 10.7857/JSGE.2023.28.5.036
  • Received on Aug 22, 2023
  • Revised on Oct 6, 2023
  • Accepted on Oct 12, 2023

Correspondence to

  • Soon-Oh Kim

  • 1Department of Geology and Research Institute of Natural Science (RINS), Gyeongsang National University, Jinju 52828, Korea

  • E-mail: sokim@gnu.ac.kr