不同添加剂对铅冶炼污染土壤中铅、镉稳定效果的研究

被引：43

作者：

李立平

邢维芹

向国强

杨亮茹

张浩

张经纶

机构：

[1] 河南工业大学化学化工学院

来源：

环境科学学报 | 2012年 / 32卷 / 07期

关键词：

铅冶炼; 污染; 土壤; 稳定; 盐酸;

D O I：

10.13671/j.hjkxxb.2012.07.020

中图分类号：

X53 [土壤污染及其防治];

学科分类号：

083001 [环境科学];

摘要：

为了研究铅冶炼形成的重金属复合污染石灰性土壤中重金属的稳定方法,在污染土壤(Pb、Cd含量分别为2337和21.4mg·kg-1)中分别加入磷酸二氢钾、磷酸二氢钙、石灰、盐酸、磷酸,通过盆栽试验探讨了不同添加剂对土壤重金属有效性和黑麦草(Lolium perenne L.cv.Rainbow)性状的影响.结果表明,加入石灰显著降低了土壤中DTPA-Cd含量,但对DTPA-Pb含量无显著影响;加入盐酸显著增加了土壤DTPA-Cd含量,对DTPA-Pb含量无明显影响.磷酸二氢钾、磷酸二氢钾与盐酸配合、磷酸二氢钙和磷酸均显著降低了土壤DTPA-Pb(降低幅度为39.5%～47.8%)和DTPA-Cd含量(降低幅度为10.5%～19.4%)(p<0.05),且磷酸二氢钾和盐酸配合处理与单独加入磷酸二氢钾处理相比,土壤DTPA-Pb含量下降了12.6%(p<0.05).磷酸二氢钾和盐酸配合处理土壤的Olsen-P含量和pH均显著低于单独加入磷酸二氢钾处理.加入石灰和盐酸处理的植物产量显著低于除对照外的其它处理,其余处理地上部产量比对照增加了100%～140%.加入盐酸显著增加了植物地上部镉含量,各处理均显著降低了植物地上部铅含量(p<0.05).

引用

页码：1717 / 1724

页数：8

共 21 条

[1]

Phytoavailability and fractionation of lead and manganese in a contaminated soil after application of three amendments [J].

Padmavathiamma, Prabha K. ;

Li, Loretta Y. .

BIORESOURCE TECHNOLOGY, 2010, 101 (14) :5667-5676

[2]

Incomplete transformations of Pb to pyromorphite by phosphate-induced immobilization investigated by X-ray absorption fine structure (XAFS) spectroscopy [J].

Hashimoto, Yohey ;

Takaoka, Masaki ;

Oshita, Kazuyuki ;

Tanida, Hajime .

CHEMOSPHERE, 2009, 76 (05) :616-622

[3]

Metal mobilization from base-metal smelting slag dumps in Sierra Almagrera (Almería; Spain).[J].Andrés Navarro;Esteve Cardellach;José L. Mendoza;Mercé Corbella;Luis M. Domènech.Applied Geochemistry.2008, 4

[4]

Phosphates for Pb immobilization in soils: a review [J].

Miretzky, Patricia ;

Fernandez-Cirelli, Alicia .

ENVIRONMENTAL CHEMISTRY LETTERS, 2008, 6 (03) :121-133

[5]

Reducing leachability and bioaccessibility of lead in soils using a new class of stabilized iron phosphate nanoparticles.[J].Ruiqiang Liu;Dongye Zhao.Water Research.2007, 12

[6]

Comparison of cadmium extractability from soils by commonly used single extraction protocols.[J].E. Meers;G. Du Laing;V. Unamuno;A. Ruttens;J. Vangronsveld;F.M.G. Tack;M.G. Verloo.Geoderma.2007, 3

[7]

Phosphate application to firing range soils for Pb immobilization: The unclear role of phosphate.[J].Maria Chrysochoou;Dimitris Dermatas;Dennis G. Grubb.Journal of Hazardous Materials.2007, 1

[8]

Immobilization of lead in shooting range soils by means of cement, quicklime, and phosphate amendments [J].

Cao, Xinde ;

Dermatas, Dimitris ;

Xu, Xuanfeng ;

Shen, Gang .

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH, 2008, 15 (02) :120-127

[9]

Distribution and Mobility of Trace Elements in Soils and Vegetation Around the Mining and Smelting Areas of Tharsis; Ríotinto and Huelva; Iberian Pyrite Belt; SW Spain.[J].E. I. B. Chopin;B. J. Alloway.Water; Air; and Soil Pollution.2007, 1-4

[10]

Heavy metal accumulation from zinc smelters in a carbonate rock region in Hezhang County, Guizhou Province, China [J].

Yang, Yuan-Gen ;

Liu, Cong-Qiang ;

Pan, Wu ;

Zhang, Guo-Ping ;

Zhu, Wei-Huang .

WATER AIR AND SOIL POLLUTION, 2006, 174 (1-4) :321-339

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