Amount of Selected Heavy Metals (Cu, Mn, Zn, Ni and Cr) on Different Age Series Over Burden Dumps in Sonepur Bazare Coalmine Under Raniganj Coalfield Area, West Bengal.

Asian Resonance (P: ISSN No. 0976-8602 RNI No.UPENG/2012/42622 VOL.-6, ISSUE-3, July - 2017 E: ISSN No. 2349-9443)

Abstract


 Chanchal Kumar Biswas

 Assistant Professor, Deptt.of Botany, Banwarilal Bhalotia College, Asansol, West Bengal, India.

          In recent years heavy metal contamination is one of the major environmental problems and it produces many adverse effects on whole ecosystem. In the present work for the analysis of five heavy metals (Cu, Mn, Zn, Ni & Cr) soil/spoil samples were collected from different places of different age series over burden dumps of the present study site and analyzed in the laboratory of West Bengal Pollution Control Board, Durgapur following Atomic Absorption Spectrophotometry (AAS). It was observed that OBD-0 (Fresh mine spoil) contain maximum amount of different heavy metals and went on decreasing with the ages of OBDs. It was also found that foot hill region of individual OBD contain maximum amount of heavy metals and mid top region contain least amount of heavy metals except in freshly dumped OBDs. The decreasing trends of heavy metal concentration on older OBDs are due to leaching down the gravity and plant absorption of these heavy metals. The freshly dumped spoil contain maximum amount of heavy metals and zone wise distribution do not show any specific trends because sufficient time was not available for the leaching and other processes to occur.

for full paper please visit below link :

http://www.socialresearchfoundation.com/upoadreserchpapers/1/167/1907110736041st%20chanchal.pdf


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