Interactions between cadmium and lead with acidic soils: Experimental evidence of similar adsorption patterns for a wide range of metal concentrations and the implications of metal migration

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成果类型：

期刊论文

作者：

Pokrovsky, O. S.;Probst, A.*;Leviel, E.;Liao, B.

通讯作者：

Probst, A.

作者机构：

[Leviel, E.; Pokrovsky, O. S.] GET CNRS UPS IRD UMR 5563, F-31400 Toulouse, France.

[Probst, A.] Univ Toulouse, INPT, UPS, EcoLab Lab Ecol Fonct & Environm,ENSAT, F-31326 Castanet Tolosan, France.

[Probst, A.] CNRS, EcoLab, F-31326 Castanet Tolosan, France.

[Liao, B.] Cent S Univ Forestry & Technol, Int Coll, Changsha 410004, Hunan, Peoples R China.

[Probst, A.] Univ Toulouse, INPT, UPS, EcoLab Lab Ecol Fonct & Environm,ENSAT, Ave Agrobiopole, F-31326 Castanet Tolosan, France.

通讯机构：

[Probst, A.] U

Univ Toulouse, INPT, UPS, EcoLab Lab Ecol Fonct & Environm,ENSAT, Ave Agrobiopole, F-31326 Castanet Tolosan, France.

语种：

英文

关键词：

Cadmium;Lead;Acid soils;Adsorption;Isotherm;Competition

期刊：

Journal of Hazardous Materials

ISSN：

0304-3894

年：

2012

卷：

199-200

页码：

358-366

DOI：

10.1016/j.jhazmat.2011.11.027

基金类别：

Chinese Ministry of Science and TechnologyMinistry of Science and Technology, China; Chinese Ministry of EducationMinistry of Education, China; French Ministry of ResearchMinistry of Research, FranceEuropean Commission; French Ministry of Foreign Affairs

机构署名：

本校为其他机构

院系归属：

国际学院

摘要：

The importance of high- and low-affinity surface sites for cadmium and lead adsorption in typical European and Asian soils was investigated. Adsorption experiments on surface and deep horizons of acidic brown (Vosges, France) and red loess soils (Hunan, China) were performed at 25°C as a function of the pH (3.5-8) and a large range of metal concentrations in solution (10-9-10-4moll-1). We studied the adsorption kinetics using a Cd2+-selective electrode and desorption experiments as a function of the solid/solution ratio and pH. At a constant solution pH, all samples exhibited similar maxim...

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Interactions between cadmium and lead with acidic soils: Experimental evidence of similar adsorption patterns for a wide range of metal concentrations and the implications of metal migration

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