中国建材科技
中國建材科技
중국건재과기
CHINA BUILDING MATERIALS SCIENCE & TECHNOLOGY
2010年
6期
32-36
,共5页
煤矸石%偏高岭土%胶凝活性
煤矸石%偏高嶺土%膠凝活性
매안석%편고령토%효응활성
coal gangue%metakaolin%cementitious activity
研究了两种煤矸石在不同煅烧温度下的物相、活性SiO2和Al2O3含量及胶凝活性。研究表明,在700~800℃煅烧的煤矸石的物相中含有大量的偏高岭土,其活性SiO2和Al2O3含量处于较高水平,具有最佳的胶凝活性,煤矸石的最佳活化温度范围为700~800℃。
研究瞭兩種煤矸石在不同煅燒溫度下的物相、活性SiO2和Al2O3含量及膠凝活性。研究錶明,在700~800℃煅燒的煤矸石的物相中含有大量的偏高嶺土,其活性SiO2和Al2O3含量處于較高水平,具有最佳的膠凝活性,煤矸石的最佳活化溫度範圍為700~800℃。
연구료량충매안석재불동단소온도하적물상、활성SiO2화Al2O3함량급효응활성。연구표명,재700~800℃단소적매안석적물상중함유대량적편고령토,기활성SiO2화Al2O3함량처우교고수평,구유최가적효응활성,매안석적최가활화온도범위위700~800℃。
The mineral phases,active SiO2 and Al2O3 content,cementitious activity of two kind of coal gangue calcined at various temperature are investigated.The results indicated that,when calcined under 700~800℃,calcined coal gangue keeps metakaolin as the main mineral phase,contains most active SiO2 and Al2O3,shows excellent cementitous activity when incorporated in cement.The optimum activation temperature range for coal gangue is 700~800℃.
