Microstructures of fluidized bed combustion(FBC) ashes and pulverized coal(PC) ashes were measured by X-ray diffrac-tion,infrared spectroscopy and scanning electron microscope.

• 用X射线衍射、红外光谱和扫描电镜研究流化床燃煤固硫灰渣(简称固硫灰渣)的微观结构。