Role of Phosphate in the Remediation and Reuse of Heavy Metal Polluted Wastes and Sites

被引：103

作者：

Nzihou, Ange ^{[1
,2
]}

Sharrock, Patrick ^{[1
,3
]}

机构：

[1] Univ Toulouse, F-31077 Toulouse, France

[2] Ecole Mines Albi Carmaux, RAPSODEE, F-81013 Albi 09, France

[3] IUT Toulouse 3 Paul Sabatier, LERISM, F-81104 Castres, France

来源：

WASTE AND BIOMASS VALORIZATION | 2010年 / 1卷 / 01期

关键词：

Phosphates; Apatites; Heavy metals; Remediation; Waste; Sites; PERMEABLE REACTIVE BARRIER; LONG-TERM PERFORMANCE; AQUEOUS-SOLUTIONS; LEAD IMMOBILIZATION; SYNTHETIC HYDROXYAPATITES; CONTAMINATED SOILS; REMOVAL; PB; SORPTION; IONS;

D O I：

10.1007/s12649-009-9006-x

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Heavy metal pollution is a major environmental concern because of the toxicity to humans and plants. This toxicity is lethal even in trace quantities and metals have a great tendency to bioaccumulate. The efficiency of phosphate and apatites M-10(PO4)(6)(OH)(2), M: Metal, in particular, in removing and immobilizing heavy metals from wastewater, groundwater (as permeable reactive barriers for in situ site remediation), fly ash, dredged sludges and contaminated soil has led to various studies to understand and explain the mechanisms involved. This paper will address the use of apatite as sorbent and stabilizing agents for the removal of heavy metals from various media. Efficient physico-chemical immobilization of heavy metals brings new perspectives for reuse of polluted waste water, soils and land treated by selected phosphates.

引用

页码：163 / 174

页数：12

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