A process by which organic substances such as wood, coal, and oil shale are decomposed by heat in the absence of air and distilled to produce useful products such as coke, charcoal, oils, and gases.
A process by which organic substances such as wood, coal, and oil shale are broken down by heat in the absence of air. This causes them to break down into solids, liquids, and gases, which are then used to make products such as coke, charcoal, oils, and ammonia.
The decomposition of a material, as coal, wood, etc., by heat in the absence of air, followed by the recovery of volatile products of the decomposition by condensation or other means: a type of calcination.
Destructive-distillation Sentence Examples
It is also formed in the destructive distillation of many substances, as wood, coal, caoutchouc, bones, resin and the fixed oils.
It is clear from these facts that, prior to Murdoch's experiments, it was known that illuminating gas could be obtained by the destructive distillation of coal, but the experiments which he began at Redruth in 1792, and which culminated in the lighting of Messrs Boulton, Watt & Co.'s engine works at Soho, near Birmingham, in 1802, undoubtedly demonstrated the practical possibility of making the gas on a large scale, and burning it in such a way as to make coal-gas the most important of the artificial illuminants.
When the substance operated upon is of uncertain composition, as, for example, coal, wood, coal-tar, &c., the term destructive distillation is employed.
Coal then meant the carbonaceous residue obtained in the destructive distillation of wood, or what is known as charcoal, and the name collier was applied indifferently to both coal-miners and charcoal-burners.
p This term is founded on a misapprehension of the nature of the occurrence, since, although the softening takes place at a low temperature, still it marks the point at which destructive distillation commences, and hydrocarbons both of a solid and gaseous character are formed.