TY - JOUR
T1 - Evaluation of stabilizing materials for immobilization of toxic heavy metals in contaminated agricultural soils in China
AU - Cui, Mingcan
AU - Lee, Yonghyeon
AU - Choi, Jongbok
AU - Kim, Jeonggwan
AU - Han, Zhengchang
AU - Son, Younggyu
AU - Khim, Jeehyeong
N1 - Funding Information:
This study was supported by the Korean Ministry of the Environment as the Geo-Advanced Innovative Action (GAIA) Project (No. Q1509291 ), for the financial support.
Funding Information:
This study was supported by the Korean Ministry of the Environment as the Geo-Advanced Innovative Action (GAIA) Project (No. Q1509291), for the financial support.
Publisher Copyright:
© 2018 Elsevier Ltd
Copyright:
Copyright 2018 Elsevier B.V., All rights reserved.
PY - 2018/8/20
Y1 - 2018/8/20
N2 - Contamination of agricultural crops by toxic heavy metals (HMs) causes serious damage to the human body. In this study, soil stabilization method was selected and coal mine drainage sludge (CMDS), waste cow bones (WCB), and steel making slag (SMS) were used as stabilization materials (SM). According to laboratory results, the optimum mixing ratio of SM and contaminated soil was 7 wt%. The optimal stabilizers for the stabilization of HMs contaminated soils were CMDS/SMS and CMDS/WCB, and the mixing ratio was 50:50 wt%. In addition, stabilization substances CMDS/SMS = 50/50, CMDS/WCB = 50/50, SMS/WCB = 50/50 and CMDS/SMS/WCB = 5/65/30 wt % were injected into four sites for 150 days. Results after 4 days of stabilization, SM of all compositions could satisfy the stabilization criteria. This study shows that CMDS, SMS, WCB, and a mixed composition of these can be effectively used as SM for agricultural soil contaminated with HMs.
AB - Contamination of agricultural crops by toxic heavy metals (HMs) causes serious damage to the human body. In this study, soil stabilization method was selected and coal mine drainage sludge (CMDS), waste cow bones (WCB), and steel making slag (SMS) were used as stabilization materials (SM). According to laboratory results, the optimum mixing ratio of SM and contaminated soil was 7 wt%. The optimal stabilizers for the stabilization of HMs contaminated soils were CMDS/SMS and CMDS/WCB, and the mixing ratio was 50:50 wt%. In addition, stabilization substances CMDS/SMS = 50/50, CMDS/WCB = 50/50, SMS/WCB = 50/50 and CMDS/SMS/WCB = 5/65/30 wt % were injected into four sites for 150 days. Results after 4 days of stabilization, SM of all compositions could satisfy the stabilization criteria. This study shows that CMDS, SMS, WCB, and a mixed composition of these can be effectively used as SM for agricultural soil contaminated with HMs.
KW - Agricultural soils
KW - Sequential extraction
KW - Stabilization
KW - Stabilization materials
KW - TCLP
KW - Toxic heavy metal
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U2 - 10.1016/j.jclepro.2018.05.105
DO - 10.1016/j.jclepro.2018.05.105
M3 - Article
AN - SCOPUS:85056307374
SN - 0959-6526
VL - 193
SP - 748
EP - 758
JO - Journal of Cleaner Production
JF - Journal of Cleaner Production
ER -
