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Abstract

A COMPARITIVE STUDY ON THE EFFICACY OF NANOPARTICLES FROM CAULERPA SCALPELLIFORMIS AND CODIUM DECORTICATUM IN TREATING THE TANNERY EFFLUENT AND THEIR ANTI MICROBIAL EFFECT

Roja Ramany S., Sai Shyam R., Shravan Ram B., Yamini Sudha Lakshmi*, A. Radha

ABSTRACT

Tannery effluents are considered to be one of the major source for water pollution. Due to improper disposal they pose a major threat to the aquatic ecosystem, surrounding ground water quality, and also to the human health. Due to these concerns, various laws were framed to govern the toxicity levels in the outlet effluent. Due to faster remediation, chemical treatment is being deployed to treat the effluent water. However, the chemicals used too contribute to the water pollution which has turned the eyes of researchers to follow bioremediation by exploiting various aquatic plants, bacteria, algae, fungi, etc in reducing the toxicity levels. In the present study,nanoparticles synthesised from 2 green, marine algal species Caulerpa scalpelliformis and Codium decorticatum was used to test the efficiency in treating the tannery effluent. The various physico chemical parameters like pH, Biochemical Oxygen Demand (BOD), Chemical Oxygen Demand (COD), inorganic salts, heavy metals were analysed before and after treatment with the algal nanoparticles. The study was carried out for a period of 60 days and there was a drastic reduction in all the parameters by these algal nanoparticles. of these, nanoparticles of Codium decorticatum was more efficient than that of Caulerpa scalpelliformis nanoparticles.

Keywords: Bioremediation, Marine algae, Caulerpa scalpelliformis, Codium decorticatum, Physico chemical parameters.


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