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Bioaccumulation of heavy metal by water hyacinth

Rupak Kumari*
Department of Botany, RJM College, Saharsa, B.N.M.University, Madhepura, Bihar, India
Received : 18th May 2020 ; Revised : 22th June 2020

Abstract : Aquatic plants are well known accumulator of heavy metals from wetland. The objective of this study is to evaluate the capacity of Eichhornia crassipes to accumulate 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 plant for removal of heavy metal from waste water.

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