The Use Of Pistia stratiotes To Remove Some Heavy Metals From Romi Stream: A Case Study Of Kaduna Refinery And Petrochemical Company Polluted Stream.

The study involved a laboratory experiment on the use of Pistia stratiotes in the removal of some heavy metals from a stream polluted by waste water from Kaduna Refinery and Petrochemical Company. Water sample was collected from Kaduna Refinery effluent point, Romi up and Romi down. The Bioconcentration (BCF) and Biotranslocation (BTF) Factors of each metal were determined. The experinmental study showed that Pistia stratiotes is a suitable candidate for effective removal of heavy metals (Hg, Cd, Mn, Ag, Pb, Zn) from Romi stream. Keywords: Heavy metals, Romi Stream, phytoremediation, Pistia stratiotes

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