Remediation of Mixed Heavy Metals using Acido-tolerant Bacterial co-cultures

International Journal of Agriculture & Environmental Science

© 2017 by SSRG - IJAES Journal

Volume 4 Issue 4

Year of Publication : 2017

Authors : Rosette Mathew, Veena Gayathri Krishnaswamy

10.14445/23942568/IJAES-V4I4P108

How to Cite?

Rosette Mathew, Veena Gayathri Krishnaswamy, "Remediation of Mixed Heavy Metals using Acido-tolerant Bacterial co-cultures," SSRG International Journal of Agriculture & Environmental Science, vol. 4,  no. 4, pp. 40-49, 2017. Crossref, https://doi.org/10.14445/23942568/IJAES-V4I4P108

Abstract:

Background: Contaminated soils are common environmental problems throughout the world. Bioremediation is a process which helps to transfer the environment using microbes and alter the contaminants and alter the contaminants from a less hazardous to its original state within permissible limits. Objective: This present study focuses on the remediation of mixed heavy metals by acido–tolerant bacterial co–cultures. Methods: The removal of Heavy metals were analysed with UV spectroscopy and Atomic adsorption spectroscopy. Morphological identification by Scanning Electron Microscopy. The acido-tolerant cocultures were biochemically characterized and molecularly identified by 16 s r DNA Sequencing. Result: The isolated bacterial cocultures could remove mixed metals (Cr and Zn) at 50 mg/L concentration was observed to be 81% and 80.5% for Chromium and Zinc respectively. The Acido- tolerant bacterial co-cultures consisted of two strains, which were identified through biochemical tests and 16s RNA sequencing as Paracoccus.

Keywords:

Mixed Heavy Metals, Bioremediation, Acidotolerant, Co-cultures, Anthropogenic, Chromium, Zinc

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