Definition of Fly ash:
Ash produced in small dark flecks, typically from a furnace, and carried into the air.
Noncombustible fine particles of solid matter expelled with flue gas from a burning process. In addition to carbon and silica, fly ash may also contain toxicants such as dioxins, lead, and mercury.
How to use Fly ash in a sentence?
- For rigid pavement construction in a large scale, part replacement of cement by dry fly ash is found acceptable.
Meaning of Fly ash & Fly ash Definition