Role of ph in the accumulation of lead and nickel by common duckweed (Lemna minor)

Author(s): Leela Kaur, Kasturi Gadgil, Satyawati Sharma

Abstract

Heavy metals are the most common non-biodegradable pollutants. Various remediation methods have been used for the treatment of heavy metal contaminated water. However, phytoremediation technology is currently being used due to its economically feasible and ecologically viable advantages. The aim of this study was to examine the role of pH in the accumulation capacity of Lemna minor in Pb and Ni contaminated water. The removal rate of Pb and Ni from L. minor was 99.99% and 99.30% respectively, after 28 days of exposure to the 10 mgl-1 Pb and Ni contaminated water at pH 5-6 and pH 6 respectively.

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