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130                                                  S. Chatterjee et al.





























            Fig. 7.2 Schematic representation of amelioration of industrial and urban wastewater in wetlands


            Table 7.1 Plants for heavy metal phytoremediation (Prasad et al. 2001; Prasad 2007)
            Azolla filiculioides   Cr, Ni, Zn, Fe, Cu, Pb
            Ceratophyllum demersum  Cd, Cu, Cr, Pb, Hg, Fe, Mn. Zn, Ni, Co, and radionuclides
            Elodea densa          Hg, methyl-Hg
            Eichhornia crassipes  As, Cd, Co, Cr Cu, Al, Ni, Pb, Zn, Hg, P, Pt, Pd, Os, Ru, Ir, Rh
            Lemna minor           Mn, Pb, Ba, B, Cd, Cu, Cr, Ni, Se, Zn, Fe
            Ludwigia natans       Hg, methyl-Hg
            Lysimachia nummularia  Hg, methyl-Hg
            Nuphar lutea          Cu, Ni, Cr, Co, Zn, Mn, Pb, Cd, Hg, Fe
            Nymphaea alba         Ni, Cr, Co, Zn, Mn, Pb, Cd, Cu, Hg, Fe
            Nymphoides germinate  Cd, Cu, Pb, Zn
            Potamogeton communis  Ni, Cr, Co, Zn, Mn, Pb, Cd, Cu, Hg, Fe
            Potamogeton pectinatus  Mn. Pb, Cd, Cu, Cr, Zn, Ni, As, Se
            Phragmites karka      Cr
            Pistia stratiotes     Cu, Al, Cr, P, Hg
            Pteris vittata        As
            Ruppia maritima       Mn, Pb, Cd, Pb, Fe, Se
            Scapania uliginosa    B, Ba, Cd, Co, Cr, Cu, Li, Mn, Mo, Ni, Pb, Sr, V, Zn
            Schoenoplectus lacustris  Ni, Cr, Co, Zn, Mn, Pb, Cd, Cu, Hg, Fe
            Typha latifolia       Ni, Cr, Co, Zn, Mn, Pb, Cd, Cu, Hg, Fe
            Wolffia globosa        Cd, Cr
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