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Drinking water may contain zero b a natural or additional fluorine as protective agent for teeth by water companies. However, the presence of a concern, because in some cases its levels may exceed the amount considered safe by WHO. The Chemical Malairajan Singanan the Presidency College zero b in Chennai, points out that the WHO guidelines suggest that the safe level of fluoride is 1.5 milligrams per liter. Adds that various techniques have been tried to lower the fluorine contained in the water, including adsorption, precipitation, ion exchange, reverse osmosis, and electrodialysis. However, the proposal is a promising new approach.
The filter can provide an inexpensive manner for defluoridation of water in areas where the natural level of this mineral is high ground water, zero b including India, China, Sri Lanka, West Indies, zero b Spain, Holland, Italy, Mexico zero b , North and South American countries.
It could also be adapted for consumers who wish to reduce their exposure to fluoride, despite the benefits to dental health in parts of the world where it is added to water for public health reasons.
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