Coal oil is a term once used for a specific shale oil used for illuminating purposes. Coal oil is obtained from the destructive distillation of cannel coal, mineral wax, and bituminous shale, while kerosene is obtained by the distillation of petroleum. A special type of coal known as cannel coal (classified also as terrestrial type of oil shale) is required to produce it.
Coal oil was first produced in 1850 by James Young on the Union Canal in Scotland. He was the first to patent the process of distilling this cannel coal into coal oil. This industry thrived in Scotland, creating much wealth for Young.
It consists mainly of several hydrocarbons of the alkane series, having from 10 to 16 carbon atoms in each molecule, and having a higher boiling point (175–325°C) than gasoline or the petroleum ethers, and a lower boiling point than the oils. Early belief that kerosene was produced from coal led to kerosene being popularly referred to as "coal oil." This is a technicality, however, because hydrocarbons of the alkane series, with 10 to 16 carbon atoms, when refined, are the same thing whether taken from coal or petroleum.
Read more about Coal Oil: Home Remedy
Famous quotes containing the words coal and/or oil:
“Coal is a portable climate. It carries the heat of the tropics to Labrador and the polar circle; and it is the means of transporting itself whithersoever it is wanted. Watt and Stephenson whispered in the ear of mankind their secret, that a half-ounce of coal will draw two tons a mile, and coal carries coal, by rail and by boat, to make Canada as warm as Calcutta, and with its comfort brings its industrial power.”
—Ralph Waldo Emerson (1803–1882)
“As a rule they will refuse even to sample a foreign dish, they regard such things as garlic and olive oil with disgust, life is unliveable to them unless they have tea and puddings.”
—George Orwell (1903–1950)