Pollution Research Paper

Vol. 36, Issue 2, 2017; Page No.(333-339 )

PHYTOREMEDIATION POTENTIAL OF SOME NATIVE PLANTS GROWING IN THE VICINITY OF SPONGE IRON INDUSTRY

SUNANDA SAHOO

Abstract

The study was carried out to assess the phytoremediation potential of some native plants, viz, Lantana camara, Calotropis procera, Butea monosperma, Cassia tora, Shorea robusta and Madhuca indica. The results revealed that the roots of most of the plants accumulated higher concentration of heavy metals (Cr, Ni, Cd) in comparison to shoot and soil from the rhizospheric zone of respective plants. The BCF (Biological Concentration Factor) for all the species was > 1 for Cr, Ni, and Cd. thus, can be considered as accumulators. The BAC (Biological Accumulation Co-efficient) and were higher for Shorea robusta for all the heavy metals studied. However, Calotropis procera, a non-edible shrub was found to have a good phytoextraction potential as well as good phytostabilization potential on the basis of BCF and TF. Thus the present study clearly emphasized that Calotropis procera and Shorea robusta can be safely used for phytoremediation of soil in the vicinity of sponge iron industry.

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