Abstract
The glass tube of spent fluorescent lamps is contaminated with mercury, which might be a serious hazard in the case of conventional recycling by melting with other glasses. A possible solution could be its incorporation into a clay body to fabricate common fired ceramics such as bricks and tiles. The objective of this work is to characterize a type of fluorescent lamp glass waste to be incorporated into a clayey ceramic. The characterization was performed in terms of wettability tests to evaluate the interaction between the surface of the clayey ceramic and glass waste as a function of the firing temperature. The results showed that the contact angle decreased with increasing temperature, reaching a value of 79°, at a temperature of 1100°C, but not sufficient to completely wet the ceramic. However, compatible chemical composition and reduction of porosity by the flow of soft glass waste between the clay particles favor the consolidation of the ceramics structure above 900°C.
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Morais, A.S.C., Monteiro, S.N., Ribeiro, S., Sardinha, L.C., Vieira, C.M.F. (2015). Study of Wettability of Clayey Ceramic and Fluorescent Lamp Glass Waste Powders. In: Carpenter, J.S., et al. Characterization of Minerals, Metals, and Materials 2015. Springer, Cham. https://doi.org/10.1007/978-3-319-48191-3_86
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DOI: https://doi.org/10.1007/978-3-319-48191-3_86
Publisher Name: Springer, Cham
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