论文部分内容阅读
粉煤灰是火力发电厂排放的废渣,全国年排放量约三千万吨,国家每年要花巨额排灰费用,并占用土地及污染灰场附近生态环境。因此,粉煤灰的处理利用受到国内外重视。国外开展粉煤灰的综合利用是从20年
Fly ash is a waste discharged from coal-fired power plants. The annual emission in China is about 30 million tons. The state charges a huge amount of ash discharge costs every year and occupies the ecological environment near the land and pollution ash yard. Therefore, the use of fly ash by domestic and foreign attention. The comprehensive utilization of fly ash abroad is from 20 years