Sintering is shown to be a very convenient alternative way to valorise urban incinerator grate ash as raw material to produce glass-ceramics. The results reached by thermal, mineralogical, physical and microstructural analysis show that it is possible to obtain sintered finished products constituted of common silicate crystalline phases (wollastonite, diopside/augite) by heat treatments with shorter time and lower temperature with respect to the bulk devitrification.
Urban incinerator grate ash used as raw material to produce sintered glass-ceramics / Barbieri, Luisa; Andreola, Nora Maria; Corradi, Anna; Lancellotti, Isabella. - In: INTERNATIONAL CERAMICS JOURNAL. - ISSN 1123-8216. - STAMPA. - 20:(2002), pp. 35-38.
Urban incinerator grate ash used as raw material to produce sintered glass-ceramics
BARBIERI, Luisa;ANDREOLA, Nora Maria;CORRADI, Anna;LANCELLOTTI, Isabella
2002
Abstract
Sintering is shown to be a very convenient alternative way to valorise urban incinerator grate ash as raw material to produce glass-ceramics. The results reached by thermal, mineralogical, physical and microstructural analysis show that it is possible to obtain sintered finished products constituted of common silicate crystalline phases (wollastonite, diopside/augite) by heat treatments with shorter time and lower temperature with respect to the bulk devitrification.
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