लेख

Arsenic Contamination in Ground Water : An Alarming Problem & Its Remedial Measures in Ballia District (U.P)

Author : D. S. Pandey, K.K. Singh, P.K. Tripathi, Prashant Rai, P. K. Singh

INTRODUCTION

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HYDROGEOLOGICAL ENVIRONMENT

OCCURRENCE AND DISTRIBUTION OF ARSENIC IN GROUND WATER:

Permissible Limit

MOBILIZATION OF ARSENIC

Reductive dissolution of iron oxihydraoxide (FeOOH) and release of sorbed arsenic to ground water ( Bhattacharya et al 1997, Nickson 1998,2000,2005 )
Oxidation of Arsenical Pyrite ( Acharya et al 1997 )
Anion (Competitive ) Exchange of sorbed arsenic with Phosphate from fertilizer :( Acharya et al 1997)

REMEDIAL MEASURES

Acknowledgement

References

- Central Ground Water Board, NR, Lucknow
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