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Studies on heavy metal bioaccumulation by Eichhornia crassipes in the municipal waste water of Supaul district

Bimala Kumari*
Department of Botany, B.N.M.University, Madhepura, Bihar, India
Received : 21st April, 2020 ; Revised : 18th May, 2020

Abstract:- Aquatic macrophytes are well known accumulator of heavy metals from wetland. The objective of this study is to evaluate the capacity of Eichhornia crassipes for accumulating lead from municipal waste water. Young plant of Eichhornia crassipes of equal size were grown in municipal waste water for 20 days. The plant in the experiment removed 50% lead. Removal of metal from waste water was fast in the first 10 days. Bio-concentration factor (BCF) was more than 1000. Eichhornia was found to be suitable macrophyte for removal of heavy metal form waste water.

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