EFFECTS OF ELECTRODE MATERIAL ON THE ELECTROKINETIC REMEDIATION OF CADMIUM-CONTAMINATED SOIL NEAR A MINE TAILING

被引：0

作者：

Cai, Zongping ^{[1
,2
]}

Van Doren, Jeremiah ^{[3
]}

Chen, Dongrui ^{[1
]}

Li, Weishan ^{[1
,4
,5
]}

Fang, Zhanqiang ^{[1
]}

Xing, Lidan ^{[1
,4
,5
]}

机构：

[1] S China Normal Univ, Sch Chem & Environm, Guangzhou 510006, Guangdong, Peoples R China

[2] Guangdong Polytech Environm Protect Engn, Foshan 528216, Peoples R China

[3] Rutgers State Univ, Dept Biol Chem, Piscataway, NJ 08854 USA

[4] S China Normal Univ, Engn Res Ctr MTEES, Minist Educ,Key Lab ETESPG GHEI, Res Ctr BMET Guangdong Prov,Engn Lab OFMHEB Guang, Guangzhou 510006, Guangdong, Peoples R China

[5] S China Normal Univ, Innovat Platform ITBMD Guangzhou Municipal, Guangzhou 510006, Guangdong, Peoples R China

来源：

FRESENIUS ENVIRONMENTAL BULLETIN | 2015年 / 24卷 / 5B期

基金：

中国国家自然科学基金;

关键词：

Electrokinetic remediation; electrode material; Cd; soil; HEAVY-METALS; AGRICULTURAL SOILS; HEALTH-RISK; REMOVAL; LEAD; ZN; PB; CU;

D O I：

暂无

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The soil near a mine tailing was effectively remedied by electrokinetic method with different electrode materials (graphite, stainless steel, titanium plate), and the variations in removal efficiency and soil pH with treatment time were determined. The removal efficiency of cadmium reached a maximum of 63.16% when using a voltage gradient of 1 V/cm and a treatment time 48 h with the graphite electrode. When using a stainless steel electrode, cadmium removal efficiency was >43.46%, and 39.82% of total Cd could be removed with a titanium plate electrode. The improved removal efficiency was attributed to the more active sites for transfer of electrons provided by the graphite electrode, compared to the stainless steel and titanium plate electrode.

引用

页码：1940 / 1946

页数：7

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