摘要
通过对脱硫建筑石膏的三相分析,确定适用于制备粉体石膏建材的脱硫建筑石膏:二水石膏含量宜<4.00%,无水石膏(Ⅲ型)宜<5.00%。宜采用低温慢烧工艺对脱硫石膏原料进行煅烧。
FGD gypsum suitable for powdery gypsum building material was determined by analysis of FGD gypsum＇s three phase composition. The result showed that the content of CaSO4i□/2H2O and CaSO4（III） in FGD gypsum should be less than 4% and 5% respectively, which should be calcinated slowly at a low temperature.
出处
《粉煤灰》
2011年第1期29-32,43,共5页
Coal Ash China
基金
上海科学技术委员会资助项目,编号：09d21203900
关键词
脱硫建筑石膏
石膏相分析
低温慢烧
FGD gypsum
Analysis of FGD gypsum＇s three phase composition
Slow Calcination at low-temperature
