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 1000-1250 degrees C and to a silicate glass at T>1250 degrees 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. (C) 2000 Elsevier Science Ltd. All rights reserved.

Thermal decomposition of asbestos and recycling in traditional ceramics / Gualtieri, Alessandro; Tartaglia, A.. - In: JOURNAL OF THE EUROPEAN CERAMIC SOCIETY. - ISSN 0955-2219. - 20(2000), pp. 1409-1418. [10.1016/S0955-2219(99)00290-3]

Thermal decomposition of asbestos and recycling in traditional ceramics

GUALTIERI, Alessandro;
2000

Abstract

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 1000-1250 degrees C and to a silicate glass at T>1250 degrees 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. (C) 2000 Elsevier Science Ltd. All rights reserved.
20
1409
1418
Thermal decomposition of asbestos and recycling in traditional ceramics / Gualtieri, Alessandro; Tartaglia, A.. - In: JOURNAL OF THE EUROPEAN CERAMIC SOCIETY. - ISSN 0955-2219. - 20(2000), pp. 1409-1418. [10.1016/S0955-2219(99)00290-3]
Gualtieri, Alessandro; Tartaglia, A.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/7153
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