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A review of the alumina recovery from coal fly ash, with a focus in China

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Open access
Authors
Yao, Z.
Xia, M.
Sarker, Prabir
Chen, T.
Date
2014
Type
Journal Article
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Abstract

Coal fly ash, an industrial by-product, is derived from coal combustion in thermal power plants. It is one of the most complex and abundant of anthropogenic materials and its improper disposal has become an environmental concern and resulted in a waste of recoverable resources. Coal fly ash is rich in alumina making it a potential substitute for bauxite. With the diminishing reserves of bauxite resources as well as the increasing demand for alumina, recovering alumina from fly ash has attracted extensive attentions. The present review first describes the alumina recovery history and technologies, and then focuses on the recovery status in China. Finally, the current status of fly ash recycling and directions for future research are considered.

Citation
Yao, Z.T.and Xia, M.S. and Sarker, P.K. and Chen, T. 2014. A review of the alumina recovery from coal fly ash, with a focus in China. Fuel. 120: pp. 74-85.
Source Title
Fuel
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DOI
Remarks

NOTICE: This is the author’s version of a work that was accepted for publication in Fuel. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Fuel, Vol. 120 (2014). doi: 10.1016/j.fuel.2013.12.003

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