Phytoextraction of metals from soils: How far from practice?

被引：156
|
作者：
Van Nevel, Lotte
Mertens, Jan
Oorts, Koen
Verheyen, Kris
机构：
[1] Univ Ghent, Lab Forestry, Dept Forest & Water Management, B-9090 Melle, Belgium
[2] European Ctr Risk Assessment Euras, B-9000 Ghent, Belgium
来源：
ENVIRONMENTAL POLLUTION | 2007年 / 150卷 / 01期
关键词：
phytoextraction; metals; contaminated soils; risks;
D O I：
10.1016/j.envpol.2007.05.024
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
For most trace elements, the technique of phytoextraction needs significant improvements to become practically feasible. Calculations for Cd revealed that the amount of Cd taken up by Thlaspi caerulescens or Salix spp. needs at least to be the double of the present amount to slightly decrease the Cd concentration in the upper 0.5 m of the soil within a period of 10 years. Additionally, metals taken up by the plants might pose an important risk. Alternatives as bioavailable contaminant stripping and phytostabilization might be more appropriate. (C) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：34 / 40
页数：7
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