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Removal Of Heavy Metals Using Modified Limestone Media: Zinc And Cadmium, Keerthy Mandadi
Removal Of Heavy Metals Using Modified Limestone Media: Zinc And Cadmium, Keerthy Mandadi
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Heavy metal contamination is a serious concern throughout the world. Increased concentrations in drinking water have many negative impacts on human health. Limestone is an inexpensive and simple media for removing high concentrations of heavy metals from drinking water supplies. Ferric based media is commonly used to remove zinc, cadmium, lead, arsenic and other heavy metals. The drinking water standards set by the US EPA for cadmium, zinc and arsenic are 0.005 mg/L, 5 mg/L and 0.010 mg/L respectively. Bangladesh, parts of India, China and the United States have high concentrations of arsenic in drinking water. Although many technologies exist …