EVALUATION OF BOVINE DIGESTA FROM SLAUGHTER HOUSE FOR BIOREMEDIATION OF HEAVY METALS IN TANNERY EFFLUENT POLLUTED SOIL

S. MEIGNANALAKSHMI¹*, M. CHARULATHA², C. VENNILA³, K. VIJAYARANI^4
1Department of Animal Biotechnology, Madras Veterinary College, Tamil Nadu Veterinary and Animal Sciences University, Chennai, 600 007, Tamil Nadu
²Department of Animal Biotechnology, Madras Veterinary College, Tamil Nadu Veterinary and Animal Sciences University, Chennai, 600 007, Tamil Nadu
³Department of Agronomy, Madras Veterinary College, Tamil Nadu Veterinary and Animal Sciences University, Chennai, 600 007, Tamil Nadu
⁴Department of Animal Biotechnology, Madras Veterinary College, Tamil Nadu Veterinary and Animal Sciences University, Chennai, 600 007, Tamil Nadu
* Corresponding Author : smeignanalakshmi@gmail.com

Received : 19-02-2018     Accepted : 02-03-2018     Published : 15-03-2018
Volume : 10     Issue : 5       Pages : 5246 - 5250
Int J Agr Sci 10.5 (2018):5246-5250

Keywords : Bovine digesta, Tannery effluent, physicochemical properties, Heavy metal, Bioremediation
Conflict of Interest : None declared
Acknowledgements/Funding : The authors express their gratitude to The State Planning Commission, Tamil Nadu state land use research board (SPC-TNSLURB) for financially supporting this research project
Author Contribution : All author equally contributed

In the present study, Bovine digesta known to be a major slaughter house waste has been used to bioremediate the tannery effluent polluted soil. Tannery effluent collected was analyzed for its physicochemical properties. Tannery effluent was taken in 50ml and 100ml quantity and mixed with 1:3, 1:4 and 1:5 ratios of Bovine digesta and soil and plain soil with 50ml and 100ml of tannery effluent were used as control. Soil samples were collected at regular intervals (0, 15, 30 and 45th day) and were analyzed for heavy metal (Zinc, Chromium, Lead and Copper). Bovine digesta when added to soil in 1:3 ratio showed best reduction in all the selected Heavy metals- Zinc, Lead, Copper and Chromium by 23%, 73%, 42% and 34.8% in Sunflower and by 62%, 8.5%, 16% and 36% in Maize at the end of 45th day.

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