Biological methods for speciation of heavy metals: different approaches.

Abstract:

:Heavy metals are found in their different forms in the environment. The distribution, mobility, and toxicity of metals are strongly related to these different forms. This necessitates the exploration of different methods for the remediation and speciation of heavy metals. Some direct and indirect physico-chemical methods such as filtration, chemical precipitation, ion-exchange, electro deposition, and membrane systems have been used for the last four decades. However, it is only in last few years that reliable biological methods have also been used. The biological methods include the use of microorganisms (fungi, algae, bacteria), plants (live or dead) and biopolymers. The use of these methods for the speciation of heavy metals is reviewed here.

journal_name

Crit Rev Biotechnol

authors

Singh N,Gadi R

doi

10.3109/07388550903284462

subject

Has Abstract

pub_date

2009-01-01 00:00:00

pages

307-12

issue

4

eissn

0738-8551

issn

1549-7801

journal_volume

29

pub_type

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