EFFICACY OF ACCUMULATION ON HEAVY METALS FROM AQUEOUS SOLUTION USING WATER HYACINTH (EICHHORNIA CRASSIPES)I. ASHOK, R. BALAJI, S. SAKTHIVEL AND SHEELA SASIKUMARAbstract The present study aims to find out the efficiency of water hyacinth in accumulation and fast absorption of all heavy metals from the aqueous solution. This study infers that water hyacinth plays a vital role in phytoremediation. Eichhornia crassipes (water hyacinth) has been tested for removal of four important heavy metals chromium (Cr) lead (Pb) cadmium (Cd) and zinc (Zn) from metal solution. The plant was grown at four different 20 ppm metal solutions in laboratory condition. The result shows significant removal (upto 63%) of heavy metals during 10th day when compared to other different time point 1st day, 5th day, 8th day treated groups. Average physico chemical composition of the water was also analyzed at different time point 1st day, 5th day, 8th day and 10th day treated group showed a significant difference when compared to control and the 10th day treated group was highly significant. From our results we conclude Eichhornia crassipes has the efficiency to with stand all metal contamination of the selected heavy metals and it can be used for removal of heavy metals from metal polluted water bodies.
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