Fly ash is a type of fine ash, which is the main solid waste discharged from coal-fired power plants. It is composed of unburned coal ash and other minerals. Fly ash is usually gray or light brown in color, with a delicate texture.

Fly ash is a type of fine ash, which is the main solid waste discharged from coal-fired power plants. It is composed of unburned coal ash and other minerals. Fly ash is usually gray or light brown in color, with a delicate texture.

< 123 >