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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.1
- 수록면
- 528 - 535 (8page)
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초록· 키워드
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Coal briquette ash is an inorganic and non-combustible material. Although coal briquette ash is mainly composed ofSiO2, Al2O3, and is an acceptable raw industrial material (containing Fe2O3, K2O, MgO, CaO, TiO2, and Na2O), it is merelyconsidered waste and is exploited as a building material for concrete admixtures and bricks. Because mullite (3Al2O32SiO2), which coal briquette ash contains, is a stable compound with a crystalline structure, it plays essential roles in itsfracture strength and bending strength. This study serves the purpose of developing environmentally friendly, economicalclay bodies through the use of coal briquette ash as a substitute for kaolin to provide Al2O3 and SiO2. We also investigatedthe seed effects during sintering process by feeding mullite directly into clay bodies. The results show that in 1,300oCheat, a mixture of 40% coal briquette ash, 40% feldspar/limestone (8 : 2), and 20% clay indicates a fracture strength valueof 525 kgf/cm2, an absorption rate of 0.72%, burning shrinkage of 11.5%, and an average bending strength of 0.6 cm,which is superior to other clay bodies. The addition of coral briquette ash in clay bodies promoted mullite formation andgrew as mullite acted as a seed. In addition to the developing clay bodies, it can also make an oatmeal-colored glaze towiden the spectrum of its usability. This study will help resolve waste problems, reduce environmental pollution, and raiseeconomic value by using coal briquette ash as a raw material for ceramics. Clay bodies made with coal briquette ashare expected to continuously contribute to the development of the ceramics industry with upcycling effects.
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참고문헌 (14)
참고문헌 신청
Seo, Y. C. / 2014 / Recycling technology development of crt glass waste, R&D program for valuable recycling :204
Ribeiroa, M. J. / 2005 / High temperature mullite dissolution in ceramic bodies derived from Al-rich sludge / Journal of the European Ceramic Society 25(5):703~710
Duval, D. J. / 2008 / Ceramic and glass materials structure / Properties and Processing :202
Andreola, F. / 2002 / Utilisation of municipal incinerator grate slag for manufacturing porcelainized stoneware tiles manufacturing / Journal of the European Ceramic Society 22:1457~1462
Dana, K. / 2004 / Effect of substitution of fly ash for quartz in triaxial kaolin-quartz-feldspar system / Journal of the European Ceramic Society 24:3169~3175
Ribeiroa, M. J. / 2005 / High temperature mullite dissolution in ceramic bodies derived from Al-rich sludge / Journal of the European Ceramic Society 25(5):703~710
Duval, D. J. / 2008 / Ceramic and glass materials structure / Properties and Processing :202
Andreola, F. / 2002 / Utilisation of municipal incinerator grate slag for manufacturing porcelainized stoneware tiles manufacturing / Journal of the European Ceramic Society 22:1457~1462
Dana, K. / 2004 / Effect of substitution of fly ash for quartz in triaxial kaolin-quartz-feldspar system / Journal of the European Ceramic Society 24:3169~3175
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