Bottom ash is part of the non-combustible residue of combustion in a furnace or incinerator. In an industrial context, it usually refers to coal combustion and comprises traces of combustibles embedded in forming clinkers and sticking to hot side walls of a coal-burning furnace during its operation. The portion of the ash that escapes up the chimney or stack is, however, referred to as fly ash. The clinkers fall by themselves into the water or sometimes by poking manually, and get cooled.
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Famous quotes containing the words bottom and/or ash:
“There is something in the breast of almost every man, which at bottom takes offense at the attentions of any other man offered to a woman, the hope of whose nuptial love he himself may have discarded. Fain would a man selfishly appropriate all the hearts which have ever in any way confessed themselves his.”
—Herman Melville (1819–1891)
“Greasing the bodies of adulterers
Like Hiroshima ash and eating in.
The sin. The sin.”
—Sylvia Plath (1932–1963)