Residue mainly from the coal burning process that falls to the bottom of the boiler for removal and disposal.

The non-airborne combustion residue from burning pulverized coal in a boiler; the material which falls to the bottom of the boiler and is removed mechanically; a concentration of the non-combustible m [..]

residue left in an industrial furnace or incinerator.

Slag or other residue remaining in the boiler after coal is burned.

This refers to the heavier dust and ash residues that are created from the combustion of coal or other fuels, such as biomass, municipal waste, etc.  Gasplasma® fully vitrifies any ash into an inert p [..]

Slag or other residue remaining in the boiler after coal is burned. (See ash, fly ash, slag)

The non-airborne combustion residue from burning pulverized coal in a boiler; the material which falls to the bottom of the boiler and is removed mechanically; a concentration of the non-combustible m [..]

The non-airborne combustion residue from burning pulverized coal in a boiler; the material which falls to the bottom of the boiler and is removed mechanically; a concentration of non-combustible ma [..]

The non-airborne combustion residue from burning pulverized coal in a boiler; the material which falls to the bottom of the boiler and is removed mechanically; a concentration of non-combustible mater [..]

The non-airborne combustion residue from burning pulverized coal in a boiler; the material which falls to the bottom of the boiler and is removed mechanically; a concentration of non-combustible mater [..]

Fraction of Coal Ash collected at the lower end of chimneys.

Bottom ash are small particles that result from coal combustion, but unlike fly ash they are too heavy to be released into the atmosphere and must be stored.