Method for reforming coal ash, and method for producing fly ash for concrete admixture

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United States of America Patent

PATENT NO 11338328
APP PUB NO 20200030853A1
SERIAL NO

16484327

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Abstract

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The present invention provides a method for reforming coal ash, including classifying coal ash having 10% by mass or more of a residue on a 45 μm sieve by using a forced vortex centrifugal type classifying apparatus, under a condition that the residue on a 45 μm sieve of the coal ash after the classifying becomes in a range of 1% by mass or more and 8% by mass or less.

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI UBE CEMENT CORPORATIONTOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Doi, Koota Tokyo, JP 2 0
Yamashita, Makio Chichibu-gun, JP 6 2

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