| 고탄소질함유 점토벽돌의 내부흑심제거 속도에 대한 연구 |
| 정진호, 김형태 |
| 요업기술원 기능소재팀 |
| Removal Phenomenon of Black Core in Clay Brick Containing High Carbon Content |
| Jin-Ho Jung, Hyun-Tae Kim |
| Advanced Key Material Lab., Korea Institute of Ceramic Engineering and Techlology |
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| ABSTRACT |
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There have been some studies on the use of coal waste as a raw material for clay bricks due to the lack of naturally producing minerals. It can help resolving the problems of pollution, forest conservation and flood control by utilizing coal waste. However, high content of carbon materials usually leads to the black core in clay bricks after firing process, and diminishes the mechanical and aesthetical properties of clay brick. In this study, the effect of firing process is investigated for the removal of black core in clay bricks with carbon content. The removal kinetics of black core are also compared and investigated with the firing schedule and black core removal. |
| Key words:
Coal waste, Kaolin clay, Black core, Removal kinetics |
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