Abstract
Rare earths is an intrinsic requisite for clean-efficient technologies. The unsecured supplying source and the necessity making rare earth elements are critical. Accordingly, numerous hunts commence toward exploration of minable ore deposits, unconventional sources, and substitutions. However, conventional rare earths production seems to be unrealistic due to various economic and environmental obstructions, whereas, the unconventional sources have proposed potential alterations for rare earths. Coal fly ash are universally perceived to be the most viable source of rare earths recovery within all kinds of possibly alternative sources. This chapter intentionally studies the properties of coal fly ash with respect to rare earths occurrence. Ongoing techniques regarding rare earths recovery from Circulating Fluidized Bed Combustion coal fly ash and the incorporation of carbon mineralization process were reviewed.
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Acknowledgments
This research was supported by the National Strategic Project-Carbon Mineralization Flagship Center of the National Research Foundation of Korea (NRF) funded by the Ministry of Science and ICT (MSIT), the Ministry of Environment (ME), and the Ministry of Trade, Industry, and Energy (MOTIE) (2017M3D8A2084752).
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Lai, Q.T., Thenepalli, T., Ahn, J.W. (2021). Utilization of Circulating Fluidized Bed Combustion Fly Ash for Simultaneous Recovery of Rare Earth Elements and CO2 Capture. In: Jyothi, R.K., Parhi, P.K. (eds) Clean Coal Technologies. Springer, Cham. https://doi.org/10.1007/978-3-030-68502-7_16
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