High calcium coal fly ash as raw material for synthesizing new low-energy cements

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URI: https://hdl.handle.net/11556/2507
ISSN: 0193-2527
ISBN: 9780870311468
Publication date
2004-05-01
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American Concrete Institute
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Abstract
Studies on the viability of high calcium fly ash from coal combustion are being conducted in our laboratory to produce a new kind of low-energy cement. The process presents important environmental advantages, such as a reduction of C02 emission compared to that produced by the conventional technology of portland cement manufacture. Furthermore, the processing temperature is also considerably reduced. The low-energy cement shows potential for good hydraulic activity for application in construction. The changes of fly ash composition were followed by X-Ray Diffraction (XRD), F f Infrared (FTIR) spectroscopy and BET surface area analysis.
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Publisher Copyright: © 2004 American Concrete Institute. All rights reserved.
Keywords
High calcium fly ash , Hydrothermal-calcination , Low-energy belite cement , Civil and Structural Engineering , Building and Construction , General Materials Science
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conference output
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Goni , S , Guerrero , A , Lorenzo , M P , Moragues , A , Campillo , I & Dolado , J S 2004 , High calcium coal fly ash as raw material for synthesizing new low-energy cements . in V M Malhotra (ed.) , 8th CANMET/ACI International Conference on Fly Ash, Silica Fume, Slag, and Natural Pozzolans in Concrete . American Concrete Institute, ACI Special Publication , vol. SP-221 , American Concrete Institute , pp. 381-394 , 2004 8th CANMET/ACI International Conference on Fly Ash, Silica Fume, Slag, and Natural Pozzolans in Concrete , Las Vegas , United States , 23/05/04 .
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