A smoke that has many particulates in it from inefficient combustion; comes from burning fossil fuel, either coal or oil.



Related Terms

PARTICULATES

The residue left over from coal and fuel oil combustion.

COKING

  1. Destructive distillation of coal to make coke
  2. A process for thermally converting the heavy residual bottoms of crude oil entirely to lower-boiling petroleum products and by-product petroleum coke.

RINGLEMANN CHART

A series of four rectangular grids of black lines of varying widths printed on white background, used in criterion of blackness for determining smoke density from chimneys.

ACID SOOT

Carbon particles that have absorbed acid fumes as a by-product of combustion; hydrochloric acid absorbed on carbon particulates is frequently the cause of metal corrosion in incineration.

AIR-TUBE BREATHING APPARATUS

A device consisting of a smoke helmet, mask, or mouthpiece supplied with fresh air by means of a flexible tube. Also known as air-supply mask.

FLESH-DEMAG PROCESS

A gas-making process in which a cyclic water-gas apparatus is used for feeding and charring the coal charge and for gas generation, with periodic automatic removal of the resultant ash.

A. CLASS DIVISION

Divisions made of steel or equivalent material, suitably stiffened and capable of preventing the passage of smoke and flame up to the end of the first 1 hour of the standard fire test.

GLOOM

The condition existing when daylight is very much reduced by dense cloud or smoke accumulation above the surface, the surface visibility not being materially reduced.

DULONG'S FORMULA

A formula giving the gross heating value of coal in terms of the weight fractions of carbon, hydrogen, oxygen, and sulfur from the ultimate analysis.

F1 LIGHT AIR

Wind speed 1-3kts Smoke moves, glassy sea. Beaufort scale.

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