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Abstract

Phytoremediation of a eutropic pond Krishnan anaikattu kulam of Pollachi town by Vetiveria zizanioides L.

Author(s): V.Dhanalakshmi, K.Shanthi, S.Mariselvi, E.Neelamathi

KrishnanAnaikattu Kulam (KAK) of Pollachi town is a rain fed eutrophic pond polluted by the inflowof municipal sewage, domestic and industrial wastes. An attempt has been made to treat the polluted pond water by the medicinal plant vetiver (Vetiveria zizanioides L) belongs to the family as a phytoremedial measure to minimize the pollutant level in eutrophic water. The physico-chemical parameters, nutrient content and growth rate of the pond water after the treatment with vetiver was studied at the intervals of 15, 30, 45 and 60 days. The physical parameters include suspended solids, dissolved solids and total solids. The chemical parameters studied were dissolved oxygen, BOD, COD and total alkalinity. Temperature and pH were stable throughout the period of study. Due to the growth of vetiver the TDS, TSS, and total solids were gradually decreased. The dissolved oxygen content was increased and BOD, COD, total hardness and total alkalinity were decreased. The nutrients such as calcium, magnesium, sodium, nitrate, bicarbonate, calcium carbonate, phosphate potassium and sulphate were reduced due to the activity of vetiver. The growth rate of vetiver was increased enormously was observed.


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Environmental Science: An Indian Journal received 543 citations as per Google Scholar report

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