Recycling of microwave inertised asbestos containing waste in refractory materials

Asbestos is a health hazard and its removal a priority for pollution prevention. Asbestos containing wastes (ACW) can be transformed into inert silicate phases by means of microwave irradiation. The aim of this investigation was to recycle microwave inertised ACW in mullite–cordierite refractory mat...

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Bibliographic Details
Published in:Journal of the European Ceramic Society 2007, Vol.27 (2), p.1855-1858
Main Authors: Boccaccini, D.N., Leonelli, C., Rivasi, M.R., Romagnoli, M., Veronesi, P., Pellacani, G.C., Boccaccini, A.R.
Format: Article
Language:English
Subjects:
Applied sciences
Asbestos
Building materials. Ceramics. Glasses
Chemical industry and chemicals
Exact sciences and technology
Microwave processing
Mullite
Other wastes and particular components of wastes
Pollution
Refractories
Refractory products
Silica-alumina refractories
Wastes
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Summary:Asbestos is a health hazard and its removal a priority for pollution prevention. Asbestos containing wastes (ACW) can be transformed into inert silicate phases by means of microwave irradiation. The aim of this investigation was to recycle microwave inertised ACW in mullite–cordierite refractory materials. A MgO-rich talc was replaced by inertised asbestos keeping approximately equal oxide composition of the raw materials. No significant variations of water absorption, linear shrinkage and Young's modulus but a higher occurrence of cordierite phase with the change of raw material was found. This can be considered an important technological result.
ISSN:0955-2219
1873-619X
DOI:10.1016/j.jeurceramsoc.2006.05.003