Question

Generally, which industry produces fly ash as a waste?
(A) Dairy industry
(B) Detergent industry
(C) Thermal power industry
(D) Fertilizer industry

Answer 1

The fly ash waste is produced by thermal power industry.

Fly ash is also called as pulverized fuel ash in US. It is a coal combustion product which is composed of particulates which are driven out of coal-fired boilers along with flue gases.

Ash which falls at the bottom of the boiler is known as bottom ash.

In modernized coal-fired power plants, the fly ash is normally captured by electrostatic precipitators.