Beneficiation of ponded coal ash through chemi-mechanical grinding

•Ponded coal ash are ideal waste for chemi-mechanical beneficiation.•Chemi-mechanical grinding promotes the formation of extrext pozzolanic reaction sites.•Breakdowns in crystallinity facilitates the increase in reactive (amorphous) phases.•Breakdown in large particles allows for an increase in reac...

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Veröffentlicht in:	Fuel (Guildford) 2021-09, Vol.299, p.120892, Article 120892
Hauptverfasser:	Innocenti, Giada, Benkeser, Daniel J., Dase, Julia E., Wirth, Xenia, Sievers, Carsten, Kurtis, Kimberly E.
Format:	Artikel
Sprache:	eng
Schlagworte:	Ashes Beneficiation Concrete Dry grinding Fly ash Grinding Infrared spectroscopy Milling Pozzolan Reactivity Scanning electron microscopy Silanol Spectrum analysis Supplementary Cementitious Material X-ray diffraction
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