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J. Korean Ceram. Soc. > Volume 37(8); 2000 > Article
Journal of the Korean Ceramic Society 2000;37(8): 768.
고형 폐기물 소각재를 이용한 alinite 시멘트의 합성
강현주, 홍성수1, 임계규1, 오희갑1, 김정석2, 민경소3
명지대학교 무기재료공학과
1호서대학교 제3공학부 화학공학전공
2호서대학교 제4공학부 재료공학전공
3RH 시멘트 연구소
Synthesis of Alinite Cement Using Combustion Ash of Solid Wastes
Alnite clinker, which is based on CaO-SiO2-CaCl2 system, was synthesized by recycling Cl-containing waste, and its hydraulic properties were onvestigated. Alinite coinkers with two different chemical compositions were burned for 10∼30 minutes in the range of temperature, 1350∼1450$^{circ}C$. The microstructures of those clinkers were characterized by powder X-ray diiffracuion analysis, optical microscope, and scanning electronic microscope and heat of hydration of alinite cements which was measured in order to investigate hydraulic properties. X-ray analysis shwoed that f-CaO in both clinkers with different compositions significantly was decreased with transforming C2S(belite) to C3S(alite). From the results of microscopy and scanning electron microscopy(SEM), crystal of synthesized alite(C3S) was larger and better crystallinity than that of ordinary portland cement.
Key words: Recycling, Cl-containing waste, Alinite
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