Journal of the Korean Crystal Growth and Crystal Technology (한국결정성장학회지)

The Korea Association of Crystal Growth (한국결정성장학회)
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A study on the characteristics of eological lightweight aggregates containing reject ash from the power plant

화력발전소 잔사회 입도에 따른 에코인공골재의 특성에 관한 연구

  • Kim, Yoo-Taek (Department of Materials Engineering, Kyonggi University) ;
  • Ryu, Yu-Gwang (Department of Materials Engineering, Kyonggi University)
  • Received : 2010.06.22
  • Accepted : 2010.07.30
  • Published : 2010.08.31
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Abstract

To effectively utilize resources of reject ash and dredged soil, globular shape-formed artificial lightweight aggregate were manufactured in 8~10 mm size. Starting materials were changed various grading and composition, sintered at $1050{\sim}1250^{\circ}C$. The specific gravity, water absorptance of artificial lightweight aggregates were measured on the basis of the KS. In this study could make a prediction about application of bloating mechanism by ferrous materials and alkali/alkali-earth oxide at high temperature.

잔사회와 준설토를 효과적으로 자원화하기 위하여 8~10 mm 크기의 구형 인공 골재를 성형하였다. 출발원료는 입도 및 조성을 변화시켰으며 $1050{\sim}1250^{\circ}C$ 범위에서 소결하였다. 제조된 골제는 KS에 의거하여 골재의 밀도와 흡수율 시험을 진행하였다. 잔사회와 준설토는 고온에서 철 함유 물질과 알칼리/알칼리토 산화물에 의한 발포 기구가 적용됨을 예측할 수 있었다.

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References

  1. A. Escardino, A. Barba, A. Blasco and F. Negre, "Oxidation of black core during firing of ceramic ware; 4 Relationship between effective diffusity of oxygen through oxidised layer and properties characterising its porous structure", J. Br. Ceram. Trans. 94(3) (1995) 103.
  2. Jon Pacini, "Bloating and black firing", Laguna Clay Co, Jan. (1999) 3.
  3. F. Negre, A. Barba, J.L. Amoros and A. Escarkino, "Oxidation of black coring during the firing of ceramic ware; 2. process kinetics", Br. Ceram. Trans. J. 91 (1992) 5.
  4. A. Barba, F. Negre, M.J. Orts and A. Escarkino, "Oxidation of black coring during the firing of ceramic ware; 3 influence of the thickness of the piece and the composition of black core", Br. Ceram. Trans. J. 91 (1992) 36.
  5. Y.T. Kim, Y.W. Ryu and C.S. Jang, "A study on the black core formation of artificial lightweight aggregates at various sintering atmospheres", J. Kor. Crystal Technology 19 (2009) 318.
  6. S. Bethanis, C.R. Cheeseman and C.J. Sollar, "Properties and microstructure of sintered incinerator bottom ash", Ceramics International 28 (2002) 881. https://doi.org/10.1016/S0272-8842(02)00068-8
  7. Y.L. Wei and Y.Y. Lin, "Role of Fe compounds in light aggregate formation from a reservoir sediment", Hazardous Materials. 171 (2009) 111.

Cited by

  1. Behavior of radial cracks generated inside artificial lightweight aggregate manufactured from reject ash and dredged soil vol.16, pp.7, 2015, https://doi.org/10.1007/s12541-015-0174-2
  2. Study on the prevention methods of radial cracks generated in artificial lightweight aggregate vol.25, pp.5, 2015, https://doi.org/10.6111/JKCGCT.2015.25.5.199