Distribution Characteristics of Valuable Elements, Al, Li, and Ga, and Rare Earth Elements in Feed Coal, Fly Ash, and Bottom Ash from a 300 MW Circulating Fluidized Bed Boiler.

ACS Omega · 2019 · PMC6648020 · PMID 31459803

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an increasing trendno p-value reported

Overall, the contents of SiO 2 and Al 2 O 3 decrease gradually as the coal particle size decreases, whereas the contents of Fe 2 O 3 , CaO, and SO 3 show an increasing trend with the decrease in coal particle size.

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