Degradation of chlorophenolic compounds by a moderately halotolerant bacterial | Abstract
international journal of bioassays.
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Degradation of chlorophenolic compounds by a moderately halotolerant bacterial

Author(s): Krishnaswamy Veenagayathri*, Namasivayam Vasudevan


Chlorophenols are carcinogenic and toxic environmental pollutants which are massively discharged into the environment from uncontrolled industrial activities. This present study focuses on the degradation of different concentrations of substituted chlorophenols by a moderately halotolerant bacterial consortium. The isolated bacterial consortium was able to grow from primary chlorophenol to pentachlorophenol. The moderately halotolerant bacterial consortium was able to utilize up to 100 mg/L of 4-CP to 2,4,6- TCP. Increase in the concentrations of chlorophenol decreased the degradation of chlorophenol due to the recalcitrant nature of the higher substituted chlorophenols. The intermediates produced during the degradation of 4-CP, 2,4- DCP and 2,4, 6 TCP were identified by Gas chromatography Mass- Spectroscopy, which proved the degradation of the chlorophenolic compounds. Such isolated moderately halotolerant bacterial consortium could be employed in the treatment of chlorophenols containing saline wastewater.

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