Manifestation, Estimation and Control of Ferric Iron in Groundwater- A Case Study
Dr.Shankar B.S, Sreevidya Raman S
Concentration, Ferrous Iron, Groundwater, Nutrition
Amongst the different forms of iron in water, ferrous iron (Fe2+) is the most hazardous. Increased intake of iron rich water may lead to several health disorders. This study was carried out to highlight the manifestation modes, as well as investigate the concentration and contamination levels of ferrous iron in the groundwaters of Bommanahalli, Bangalore, Karnataka. Thirty samples were drawn from various groundwater sources in 2021, during pre and post monsoon seasons. The Fe2+ levels in the groundwaters were evaluated using an Atomic Absorption Spectrophotometer using air and acetylene flame. The iron concentration was found to be ranging from nil to 3.11mg/L, with a mean value of 0.85 mg/L during pre-monsoon and nil to 3.15mg/L with a mean of 0.89 mg/L during post-monsoon season. 33.33% of the water samples revealed Fe2+ concentrations beyond the maximum permissible limit of 1mg/L prescribed by the Bureau of Indian Standards. The high concentrations of iron can be attributed to the rusting of casing pipes, non-usage of borewells for long periods and disposal of scrap iron in open areas due to industrial activity. Treatment measures to reduce the iron content have also been suggested.
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Unique Paper ID: 163167

Publication Volume & Issue: Volume 10, Issue 11

Page(s): 822 - 826
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