ASSESSMENT OF SOME HEAVY METALS TOXICITY AND ITS PROBABLE REMEDIATION IN GROUNDWATER AROUND TELWASA AND GHUGUS AREA OF WARDHA VALLEY COALFIELDS, MAHARASHTRA.

Authors

  • Priyadarshan Sham Ganvir M.G. Arts, Science & Late N.P. Commerce College, Armori, Dist. - Gadchiroli (M.S.)
  • Rajeeva Guhey Govt. N.P.G. College of Science, Raipur (CG).

Keywords:

Heavy metals, Acid mine drainage, Wardha valley coalfields, vertical flow system.

Abstract

Present study is about the groundwater quality assessment in terms of heavy metals contamination and deducing feasible remediation around Telwasa and Ghugus area of Wardha Valley Coalfields, Maharashtra. Rocks of Gondwana supergroup dominate the study area with Sandstone and variegated Shale of Kamthi Formation and Sandstone, Shale, pebble beds and Tillite of Talchir Formation are in prominence. 16 groundwater samples for each pre-monsoon and post-monsoon season were taken in duplication as per procedure mentioned by APHA. Al, Cd, Cr, Cu, Fe, Pb, Ni and Zn, were analysed using AAS. Results displayed that the Cd, Fe, Pb and Ni are above maximum permissible limit as per Bureau of Indian Standards (2012) in both seasons. Pre-monsoon samples are more contaminated than post-monsoon. These contaminations make water unsuitable for drinking purpose. Sampling locations and corresponding contaminations signifies mining region as a prime source. On correlation analysis, pH of samples was found to be in negative relationship with corresponding metals value, signifying lower pH value favours contamination. Field observation revealed that the sulphur leaching produces acid mine drainage (AMD) in turn lowering the pH of mine discharge. To overcome, pH of mine discharge should be checked to regulate the groundwater acidity. An artificially prepared vertical flow system with anaerobic wetland and Limestone bed can be used to precipitate dissolved metals and improve alkalinity of the mine discharge.

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References

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Published

2020-06-30

How to Cite

Ganvir, P. S., & Guhey, R. (2020). ASSESSMENT OF SOME HEAVY METALS TOXICITY AND ITS PROBABLE REMEDIATION IN GROUNDWATER AROUND TELWASA AND GHUGUS AREA OF WARDHA VALLEY COALFIELDS, MAHARASHTRA. Journal of The Indian Association of Sedimentologists (peer Reviewed), 37(1), 33–43. Retrieved from http://journal.indiansedimentologists.com/ojs/index.php/1/article/view/105

Issue

Vol. 37 No. 1 (2020): The Journal of the Indian Association of Sedimentologists

Section

Sedimentology

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