Since the discovery of Fluorine by Scheele in 1771 and its isolation by Moissan in 1886, Fluorine and its molecules have transformed the world. Due to fluorine, we have comfortable homes, modern kitchens, hospitals and electric cars. There is hardly any industry today from metal to nuclear to pharmaceuticals where fluorochemicals are not used.<br/>These industries, however, have byproducts or waste which has negatively impacted the environment. For example, Nuclear energy Industry has problems to handle depleted UF6. Fertilizer Industry and phosphoric acid plants have issues related to fluorosilicic acid. There are concerns related to greenhouse gases not only because of CFC’s, HCFC’s, SF6 but also due to electronic gases such as NF3 and GeF4.There may be sustainability issues of Fluorine Industry itself as its main source Fluorspar is not unlimited in nature. This has become a challenge to fluoro-chemists and technologists to address issues related to waste and depleted materials posing environment threat and to find technologies for recycling and recovering from other streams and make the world greener.<br/>In this presentation, we shall highlight the recent important developments in technologies and processes to recycle and/or recover fluorides from some of the wastes and depleted materials to minimize their impact on environment.<br/>

Challenge to modern fluoro-chemists to recover fluoride from waste and depleted materials posing environmental threats

251st National Meeting (2016)

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