The Properties of Flue Gas Desulphurization (FGD) Gypsum

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The properties of flue gas desulphurization (FGD) gypsum were analysized by Thermo-gravimetry/differential scanning calorimetry (TG/DSC), technical performance analysis, optical microscope and Scanning electron microscope (SEM). Mechanical properties of FGD gypsum-steel slag powder cementitious material were researched. The results revealed that FGD gypsum have similar moisture content, major component CaSO4 ·2H2O with natural gypsum, and has better technical performance than natural gypsum. The results of optical microscope and SEM of the FGD gypsum hydration support this further. When the dosage of steel slag powder is 15%, containing activator ,better mechanical properties can be obtained. Key words: FGD gypsum, Property, Cementitious material

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Periodical:

Edited by:

Paul P. Lin and Chunliang Zhang

Pages:

2204-2208

DOI:

10.4028/www.scientific.net/AMM.105-107.2204

Citation:

R. X. Hao and X. Y. Guo, "The Properties of Flue Gas Desulphurization (FGD) Gypsum", Applied Mechanics and Materials, Vols. 105-107, pp. 2204-2208, 2012

Online since:

September 2011

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$35.00

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