| 시멘트 원료로서 하수슬러지 소각재의 클링커링 반응 특성 |
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| Clinkering of Sewage Sludge Ash as Cement Raw Material |
| Ji-Whan Ahn, Kwang-Suk You1, Sung-Min Cheon1, Ki-Suk Han1, Hwan Kim2 |
Minerals and Materials Processing Division, Korea Institute of Geoscience and Mineral Resources
1Minerals and Materials Processing Division, Korea Institute of Geoscience and Mineral Resource
2Department of Material Science and Engineering, Seoul National University |
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| ABSTRACT |
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This study has been carried out to use the municipal solid waste sewage sludge ash generated at sewage disposal field as the raw materials of Ordinary Portland Cement (OPC). Limestone, shale, converter slag, and fly ash were used as the main raw materials. After the raw materials were mixed, these were fired at 1,300, 1,350, 1,400, 1,450, and 1,500$^{circ}C$ for 1 h and cooled rapidly in air. The properties of clinker synthesized were examined with XRD, SEM, and burnability index by polysius method. |
| Key words:
Ordinary portland cement, Clinker, Sewage sludge ash, Raw material |
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