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Journal Title
Title of Journal: Water Air Soil Pollut
Abbravation: Water, Air, & Soil Pollution
Publisher
Springer Netherlands
DOI
10.1007/bf02569478
ISSN
1573-2932
The main objective of this study was to examine the efficacy and capacity of constructed wetlands for metal removal Between January 2006 and December 2008 removal of Cr Cu Cd Zn Pb B Ni As Fe Hg and Mn was measured on a monthly basis at a hierarchical mosaic of artificial ecosystems which has been in operation since 1998 The results showed a great variety of average removal efficiencies in the range of 55 for chromium and −73 for manganese Four elements presented negative removal nickel iron arsenic and manganese Seasonal removal efficiencies were also studied for each element Moreover a correlation assessment among metal removal efficiencies and different parameters of each basin in the hierarchical mosaic of artificial ecosystems was performed Negative significant correlations were found among Fe Zn Cu Mn As Ni Cd and Hg removal and the inlet concentrations In general the treatment system was not a good system for removal of metals from wastewater as in relation to other constructed wetlands the system was not able to provide efficient removal of metals