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- Title
PRODUCTION OF CERAMICS FROM COAL FLY ASH.
- Authors
Angjusheva, Biljana; Fidancevska, Emilija; Jovanov, Vojo
- Abstract
Dense ceramics are produced from fly ash from REK Bitola, Republic ofMa-cedonia. Four types of fly ash from electrofilters and one from the collected zone with particles <0.063 mm were the subject ofthis research. Consolidation was achieved by pressing (p = 133 MPa) and sintering (950, 1000, 1050 and 1100 °C and heating rates of 3 and 10 °C/min). Densification was realized by liquid phase sintering and solid state reaction where diopside [Ca(Mg,Al)(Si,Al)2O6] was formed. Ceramics with optimal properties (porosity 2.96±0.5%, bending strength 47±2 MPa, compressive strength 170±5 MPa) was produced at 1100 °C using a heating rate of 10 °C/min.
- Subjects
CERAMIC materials; FLY ash; ELECTRIC filters; SOLID state chemistry; CHEMICAL reactions; MATERIALS compression testing; SINTERING
- Publication
Chemical Industry & Chemical Engineering Quarterly, 2012, Vol 18, Issue 2, p245
- ISSN
1451-9372
- Publication type
Article
- DOI
10.2298/CICEQ110607001A