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Mineral Beneficiation and Processing of Coal Read chapter Read first chapter

2021 | OriginalPaper | Chapter

15. Coal Fly Ash Utilisation and Environmental Impact

Authors : Shanjida Sultana, Saifuddin Ahsan, Sakib Tanvir, Nawshad Haque, Firoz Alam, Mohan Yellishetty

Published in: Clean Coal Technologies

Publisher: Springer International Publishing

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Abstract

The global power generation is dominated by coal (38%) followed by natural gas (23%), hydro (16%), nuclear (11%), wind (5%), oil (3%), solar (2%) and biofuel (2%) in 2019. The coal-fired power generation creates coal ash (fly ash—85% and bottom ash—15%) nearly 1 billion tonne annually. Although the coal ash was considered waste and dumped as land fill, the application of fly ash in various fields has created around 4 billion US dollar global market in 2020 with the predicted annual increase of 6%. Despite industrial-scale utilisation, limited information is available on potential value-added material extraction from the coal fly ash. This book chapter reviews the current industrial-scale utilisation of coal ash. The paper also undertakes a case study of coal ash utilisation in an emerging nation, as most emerging nations are expected to leverage coal as cheap energy source for power generation to accelerate their industrial and economic development. Furthermore, an analysis on potential metal (including rare earth element) value contained in coal fly ash has also been undertaken to highlight its economic value. The increased industrial-scale utilisation and potential extraction of metal from coal ash ensures a win–win situation for environment, economy, and supplementation of global rare earth element stock.

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previous chapter Recovery of Rare Earth and Some Other Potential Elements from Coal Fly Ash for Sustainable Future
next chapter Utilization of Circulating Fluidized Bed Combustion Fly Ash for Simultaneous Recovery of Rare Earth Elements and CO2 Capture
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Metadata
Title
Coal Fly Ash Utilisation and Environmental Impact
Authors
Shanjida Sultana
Saifuddin Ahsan
Sakib Tanvir
Nawshad Haque
Firoz Alam
Mohan Yellishetty
Copyright Year
2021
Book
Clean Coal Technologies

Print ISBN: 978-3-030-68501-0

Electronic ISBN: 978-3-030-68502-7

Copyright Year: 2021

DOI
https://doi.org/10.1007/978-3-030-68502-7_15