obtained from petroleum or from coal

См. также в других словарях:

• Coal — Sedimentary Rock Anthracite coal Composition Primary carbon Secondary hydrogen, sulfur …   Wikipedia

• coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… …   Universalium

• Coal gasification — is the process of producing coal gas, a type of syngas–a mixture of carbon monoxide (CO), hydrogen (H2), carbon dioxide (CO2) and water vapour (H2O)–from coal. Coal gas, which is a combustible gas, was traditionally used as a source of energy for …   Wikipedia

• petroleum refining — Introduction  conversion of crude oil into useful products. History Distillation of kerosene and naphtha       The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …   Universalium

• petroleum — petroleous, adj. /peuh troh lee euhm/, n. an oily, thick, flammable, usually dark colored liquid that is a form of bitumen or a mixture of various hydrocarbons, occurring naturally in various parts of the world and commonly obtained by drilling:… …   Universalium

• coal utilization — Introduction        combustion of coal or its conversion into useful solid, gaseous, and liquid products. By far the most important use of coal is in combustion, mainly to provide heat to the boilers of electric power plants. Metallurgical coke… …   Universalium

• Coal oil — Cannel coal, used to produce coal oil, from the Pennsylvanian of NE Ohio Coal oil is a term once used for a specific shale oil used for illuminating purposes.[citation needed] …   Wikipedia

• coal — coalless, adj. /kohl/, n. 1. a black or dark brown combustible mineral substance consisting of carbonized vegetable matter, used as a fuel. Cf. anthracite, bituminous coal, lignite. 2. a piece of glowing, charred, or burned wood or other… …   Universalium

• coal oil — Kerosene Ker o*sene , n. [Gr. ? wax.] An oil used for illuminating purposes, formerly obtained from the distillation of mineral wax, bituminous shale, etc., and hence called also {coal oil}. It is now produced in immense quantities, chiefly by… …   The Collaborative International Dictionary of English

• petroleum — A mixture of liquid hydrocarbons found in the earth in various parts of the world and believed to be derived from fossilized animal and plant remains; the source of petrolatum, in addition to its use for lighting and heating purposes. SYN: coal… …   Medical dictionary

• coal oil — noun a flammable hydrocarbon oil used as fuel in lamps and heaters • Syn: ↑kerosene, ↑kerosine, ↑lamp oil • Hypernyms: ↑fuel, ↑hydrocarbon • Hyponyms: ↑paraffin, ↑ …   Useful english dictionary