Remediation of As and Cd contaminations by composite material additives in smelting site soil | Zendy

Xuewu Hu | Zendy; Juan Zhong | Zendy; Xingyu Liu | Zendy; Xinglan Cui | Zendy; Mingjiang Zhang | Zendy; Ying Lv | Zendy; Daozhi Ma | Zendy; Yan Xiao | Zendy

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Remediation of As and Cd contaminations by composite material additives in smelting site soil

Author(s) -

Xuewu Hu,

Juan Zhong,

Xingyu Liu,

Xinglan Cui,

Mingjiang Zhang,

Ying Lv,

Daozhi Ma,

Yan Xiao

Publication year - 2021

Publication title -

iop conference series earth and environmental science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.179

H-Index - 26

eISSN - 1755-1307

pISSN - 1755-1315

DOI - 10.1088/1755-1315/791/1/012178

Subject(s) - environmental remediation , cadmium , composite number , leaching (pedology) , smelting , arsenic , soil water , environmental chemistry , lead smelting , soil contamination , soil remediation , chemistry , metallurgy , environmental science , materials science , contamination , composite material , soil science , ecology , biology

Arsenic (As) and cadmium (Cd) in soil is a serious environmental issue. Exploring an efficient method for simultaneous immobilization of As and Cd in soils is of great significance. In this study, three types of composite material additives were selected to test their ability to immobilization of As and Cd simultaneously in soil of smelting site through leaching toxicity. Results showed that Fe-based composite material additives (SD) significantly reduced concentrations of As and Cd in solutions from SD1 and SD2 treated soils, signifying that certain Fe-based composite material potentially immobilization heavy metals in soil. While Ca-Mg-Si based composite material additives (C) and Si-Mg-Al based composite material additives (S) have a side effect in As immobilization. The conclusions were that Fe-based composite material may be used as effective in situ amendments to immobilization As and Cd simultaneously in soils.

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