A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Thermal decomposition of asbestos and recycling in traditional ceramics
Given the known carcinogenic effects, its wide occupational exposures and widespread use in the past, asbestos is considered a general health hazard and a priority treatment for pollution prevention. In this context, asbestos can be entirely transformed to a mixture of non hazardous silicate phases throughout a thermal treatment at 1000 to 1250 deg C and to a silicate glass at T > 1250 deg C. These products may be recycled for the production of traditional ceramics. In this paper we describe the recycle of thermally treated asbestos containing materials as a raw material for glass ceramics and traditional ceramics. A significant improvement of the technological properties of porcelainised stoneware, obtained by high sintering of unglazed ceramic bodies, is accomplished by the addition of 5 wt-% of an asbestos-based glass ceramic.
Thermal decomposition of asbestos and recycling in traditional ceramics
Given the known carcinogenic effects, its wide occupational exposures and widespread use in the past, asbestos is considered a general health hazard and a priority treatment for pollution prevention. In this context, asbestos can be entirely transformed to a mixture of non hazardous silicate phases throughout a thermal treatment at 1000 to 1250 deg C and to a silicate glass at T > 1250 deg C. These products may be recycled for the production of traditional ceramics. In this paper we describe the recycle of thermally treated asbestos containing materials as a raw material for glass ceramics and traditional ceramics. A significant improvement of the technological properties of porcelainised stoneware, obtained by high sintering of unglazed ceramic bodies, is accomplished by the addition of 5 wt-% of an asbestos-based glass ceramic.
Thermal decomposition of asbestos and recycling in traditional ceramics
Thermische Zersetzung von Asbest und Aufarbeitung in traditioneller Keramik
Gualtieri, A.F. (author) / Tartaglia, A. (author)
Journal of the European Ceramic Society ; 20 ; 1409-1418
2000
10 Seiten, 8 Bilder, 3 Tabellen, 20 Quellen
Article (Journal)
English
Asbest , Rohstoff , Recycling , Silicat , Wärmebehandlung , Glaskeramik , Porzellan , Sintern , Giftigkeit
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