From the viewpoint of petrology, maceral characteristics of fly ash (FA) and bottom ash (BA) have been investigated in detail using microscope, X-ray diffraction and scanning electron microscope(SEM).

• 利用光学显微镜、X射线衍射及扫描电镜等手段，从岩石学角度对粉煤灰的组分特征进行了详细观察研究。