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Fluoride and Arsenic in Groundwater: Occurrence and Geochemical Processes Controlling Mobilisation

  • S. K. Jha
  • V. K. Mishra
Chapter

Abstract

Fluorine and arsenic are the two toxic elements whose contamination in groundwater has posed toxicological problems across the globe. The fluorine contamination in the groundwater has been reported in about 25 countries in the world, whereas arsenic is present in the groundwater of nearly 70 countries, affecting millions of people from the dreaded diseases “fluorosis and arsenicosis”, respectively. The fluoride and arsenic contamination in the groundwater is basically a natural phenomenon influenced by local and regional geological settings as well as hydro-geochemical conditions. The weathering of rocks, leaching and percolation from the minerals may be the prime reason for such contamination. However, the evaluation of exact pathway of such contamination and mobilisation of contaminants is very complex. Therefore, the present chapter aimed to elaborate the occurrence and distribution of these elements, their aqueous speciation, mobilisation mechanism, bioavailability, and metabolism along with the identification of various geochemical processes controlling the high occurrence of fluoride and arsenic in groundwater.

Keywords

Geochemical Process Hydrogen Fluoride Inorganic Arsenic High Fluoride Arsenic Contamination 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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© Springer India 2016

Authors and Affiliations

  1. 1.Central Soil Salinity Research Institute, Regional Research StationLucknowIndia

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