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http://dx.doi.org/10.4191/KCERS.2009.46.3.275

Porous Materials from Waste Bottle Glasses by Hydrothermal Treatment  

Lim, Dong-Kyu (School of Nano & Advanced Material Science and Engineering, Engineering Research Institute Gyeongsang National University)
Kang, Eun-Tae (School of Nano & Advanced Material Science and Engineering, Engineering Research Institute Gyeongsang National University)
Publication Information
Journal of the Korean Ceramic Society / v.46, no.3, 2009 , pp. 275-281 More about this Journal
Abstract
Porous materials were manufactured by hydrothermal treatment of waste bottle glass without foam agent. Factorial design was applied to analyze data by statistical methods and deal with the important factors for a process. The largest effect for porosity was for temperature of hydrothermal treatment. Amount of water and temperature-water interaction appeared to have little effect. The particle size of raw material was also identified as a major factor by one-way ANOVA and the porosity decreased as the size increased. The sintering temperature was not statistically significant for the porosity but was significant for the pore size. The porous material had compressive strength and thermal conductivity comparing with those of ALC (autoclaved lightweight concrete), although it has higher porosity than for ALC.
Keywords
Waste bottle glass; Porous materials; Hydrothermal treatment; Factorial design; Porosity;
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