The Effect of FGD Gypsum Heat Treatment Process on Properties of Cement

Zhi Yong Yang; Song Zhao; Jun Hu; Zeng Chan Lu

doi:10.4028/www.scientific.net/AMM.422.46

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 422The Effect of FGD Gypsum Heat Treatment Process on...

The Effect of FGD Gypsum Heat Treatment Process on Properties of Cement

Abstract:

To clarify the utilization of flue gas desulphurization (FGD) gypsum as the retarder of cementbased materials,the effect of the properties of the slag cement with different tempemtuIe treatment of FGD gypsum was studied. The results reveal that in the case of adding the same amount, the setting time of cement shortened with the increasing of heat treatment temperature of FGD gypsum. The influence of different heat treatment processes on the strength of cements was not obvious and the strength development was good. The water consumption of normal consistency for cements changed slightly. Stability was qualified.

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Periodical:

Applied Mechanics and Materials (Volume 422)

Pages:

46-50

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.422.46

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Online since:

September 2013

Authors:

Zhi Yong Yang, Song Zhao, Jun Hu, Zeng Chan Lu

Keywords:

Flue Gas Desulphurization Gypsum, Setting Time, Shrinkage, Slag Cement, Thermal Treatment

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