The results show that the mineral composition of Huainan coal ashes are mainly quartz, anhydrite, calcite, kaolinite and hematite.

• 结果表明：淮南煤灰中，矿物质组成为石英、硬石膏、方解石、高岭土和赤铁矿，其中硬石膏和方解石含量较低。