Fluoridated Water, Effects and Green Removal Techniques

Veronica A. Okello, Elizabeth N. Ndunda, Abisaki Esitsakha and Mercy Jeptoo

A chapter in Water Quality - New Perspectives from IntechOpen

Abstract: Fluoride is a naturally occurring mineral released by rocks into water, soil and air. It elicits dual effects to organisms. Its beneficial effects are effected through water fluoridation to adjust fluoride content in drinking water to acceptable levels that are deemed to prevent tooth decay. Moreover, fluoride itself may be dangerous at high levels. Excessive fluoride causes dental fluorosis and skeletal fluorosis or even severe form of fluorosis known as "crippling skeletal fluorosis," characterized by muscle wasting, immobility and neurological problems. Studies on fluoride levels are important so as to protect organisms from the adverse effect of high fluoride exposure. Various conventional and sensor-based technologies have been applied, leading to the detection of fluoride in water systems across the globe, with some regions reporting levels above the World Health Organization (WHO) limits. This necessitates interventions to reduce the levels of fluoride in drinking water. Green technologies are emerging as viable options for fluoride remediation since they are associated with minimal environmental contamination. Knowledge on fluoride in the environment is a key and therefore, this chapter provides an overview of fluorides, their monitoring in the environment, benefits as well as health effects and removal technologies that range from conventional to green technologies.

Keywords: defluoridation; fluorosis; fluoride in groundwater; drinking water; removal technologies (search for similar items in EconPapers)
JEL-codes: Q53 (search for similar items in EconPapers)
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Persistent link: https://EconPapers.repec.org/RePEc:ito:pchaps:325755

DOI: 10.5772/intechopen.113717

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