Environmental Engineering Reference
In-Depth Information
Chapter 5
N
ATURAL AND
M
AN
-
INDUCED
P
HYTOREMEDIATION IN
S
EVERAL
M
INE
R
ESIDUES
C
ONTAINING
H
IGH
C
ONCENTRATION OF
C
D
Carrillo González Rogelio
1,*
and
González-Chávez Ma. del Carmen
2,†
1
Soil and Environmental Chemistry Lab.,
2
Environmental Microbiology Lab. Colegio de Postgraduados. Carr.
México-Texcoco km 36.5. Montecillo, Texcoco, Estado de México.
56230. Mexico
A
BSTRACT
After the extraction of valuable metals from ore minerals, huge mine
tailings or mine wastes heaps are deposited and abandoned in open areas.
This is a concern for public health in several countries, since the residues
containing cadmium and others elements can be dispersed by wind and
rain. These residues represent a challenge for the establishment of
permanent plant cover, a practice for remediation. However different
alternatives, such as natural attenuation or man-induced remediation
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