petroleum fractions

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• 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 coke — A solid, carbonaceous residue produced by thermal decomposition of heavy petroleum fractions or cracked stocks, or both (ASTM 2005) …   Petroleum refining glossary

• Petroleum — For other uses, see Petroleum (disambiguation). Proven world oil reserves, 2009 …   Wikipedia

• 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

• petroleum production — Introduction       recovery of crude oil and, often, associated natural gas from the Earth.        petroleum is a naturally occurring hydrocarbon material that is believed to have formed in deep sedimentary (sedimentary rock) beds from animal and …   Universalium

• Petroleum ether — Benzine redirects here. For other uses, see Benzene (disambiguation). Petroleum ether, also known as benzine, VM P Naphtha, Petroleum Naphtha, Naphtha ASTM, Petroleum Spirits, X4 or Ligroin, is a group of various volatile, highly flammable,… …   Wikipedia

• petroleum ether — noun A volatile petroleum fraction, usually available in a number of fractions boiling between 40°C and 140°C. Used as a solvent in the laboratory and industry. Syn: ligroin, petroleum spirit, petroleum spirits …   Wiktionary

• 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

• liquefied petroleum gas — a gas liquefied by compression, consisting of flammable hydrocarbons, as propane and butane, obtained as a by product from the refining of petroleum or from natural gas: used chiefly as a domestic fuel in rural areas, as an industrial and motor… …   Universalium

• Fuel oil — An oil tanker taking on bunker fuel. Fuel oil is a fraction obtained from petroleum distillation, either as a distillate or a residue. Broadly speaking, fuel oil is any liquid petroleum product that is burned in a furnace or boiler for the… …   Wikipedia

• transition element — Chem. any element in any of the series of elements with atomic numbers 21 29, 39 47, 57 79, and 89 107, that in a given inner orbital has less than a full quota of electrons. Also called transition metal. [1920 25] * * * Any chemical element with …   Universalium