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feed mill the incorporation of coal production

feed mill the incorporation of coal production

The specific surface Blaine of the cement was 4050 m 2 kg fineness of the collected coal fly ash was 3976 m 2 kg The coal bottom ash was ground in a ball mill up to a Blaine fineness of 3463 m 2 kg similar to that of the Portland cement 5–8 residue on 45 μm sieve Several coal fly and ground coal bottom ashes were mixed in the laboratory using a powder mixer

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