Development of Glass Ceramic by Sintering and Crystallization of Glass from Phosphorus Slag

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The phosphorus slag produced as the waste of yellow phosphorus manufacturing was studied for the production of calcium-aluminum-silicone system glass ceramic materials. The thermal behavior and crystallization processes of fine powders of parent glass with chemical composition (wt. %) 52-60 SiO2, 22-28 CaO, 2-10 Al2O3, 3-8Na2O+K2O, 1.7-2.1P2O5 and 1.6-2.0 F were carefully studied by DTA, XRD and SEM techniques. The desired sequence of events, i.e. nucleation, sintering and devitrification occurred by heat treating the glass powder. The results showed that the phosphorus slag can be as a main raw material directly in production of the glass ceramic.

Info:

Periodical:

Key Engineering Materials (Volumes 336-338)

Edited by:

Wei Pan and Jianghong Gong

Pages:

1892-1894

DOI:

10.4028/www.scientific.net/KEM.336-338.1892

Citation:

Q. Lin et al., "Development of Glass Ceramic by Sintering and Crystallization of Glass from Phosphorus Slag", Key Engineering Materials, Vols. 336-338, pp. 1892-1894, 2007

Online since:

April 2007

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$35.00

[1] J.X. Cao, Q. Lin, Q.L. Chen, et al.: Modern Machinery Vol. 108 (2001), p.78.

[2] J.X. Cao, C.B. Fu, Y. Zhang, et al.: J. Guizhou Univ. Technol. Vol. 32 (2003), p.33.

[3] D.U. Tulyaganov, M.J. Ribeiro and J.A. Labrincha: Ceram. Inter. Vol. 28 (2002), p.515. Fig. 5 SEM observation of the glass- ceramic sample heat-treated at 920°C.

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