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olefins

См. также в других словарях:

  • olefins — 1. A class of unsaturated paraffinic hydrocarbons recovered from petroleum, of which butene, ethylene, and propylene are examples. 2. Hydrocarbon molecules containing carbon carbon double bonds. The name olefin comes from roots the imply oil… …   Petroleum refining glossary

  • olefins — əʊlÉ™fɪn n. member of the alkene group (Chemistry) …   English contemporary dictionary

  • Methanol to Olefins — (MTO) ist ein Verfahren, um aus Methanol ein Gemisch aus Ethen und Propen herzustellen. An einem hochselektiven Siliziumalumiumphosphat Zeolith Katalysator wird aus Methanol über das Zwischenprodukt Dimethylether eine Mischung aus Ethen und… …   Deutsch Wikipedia

  • Linear alpha olefin — Linear Alpha Olefins (LAO) or Normal Alpha Olefins (NAO) are olefins or alkenes with a chemical formula CxH2x, distinguished from other mono olefins with a similar molecular formula by linearity of the hydrocarbon chain and the position of the… …   Wikipedia

  • Olefin metathesis — or transalkylidenation is an organic reaction that entails redistribution of alkylene fragments by the scission of carbon carbon double bonds in olefins (alkenes).[1] Its advantages include the creation of fewer sideproducts and hazardous wastes …   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

  • Hydrodesulfurization — (HDS) is a catalytic chemical process widely used to remove sulfur (S) from natural gas and from refined petroleum products such as gasoline or petrol, jet fuel, kerosene, diesel fuel, and fuel oils.[1][2] The purpose of removing the sulfur is to …   Wikipedia

  • Formosa Plastics propylene explosion — The Formosa Plastics Propylene Explosion was a propylene release and explosion that occurred on October 6 2005, in the Olefins II Unit at the Formosa Plastics plant in Point Comfort, Texas, USA. The subsequent fire burned for five days.Formosa… …   Wikipedia

  • olefin — olefinic, adj. /oh leuh fin/, n. Chem. any member of the alkene series. Also, olefine /oh leuh fin, feen /. [1855 60; < F oléf(iant) (see OLEFIANT GAS) + IN2] * * * or alkene Any unsaturated hydrocarbon containing one or more pairs of carbon… …   Universalium

  • organosulfur compound — ▪ chemical compound Introduction also spelled  organosulphur compound , also called  organic sulfur compound   a subclass of organic substances that contain sulfur and that are known for their varied occurrence and unusual properties. They are… …   Universalium

  • Naphtha — Not to be confused with naphthalene, a solid benzene derivative which is the main ingredient in mothballs. Naphtha (  /ˈn …   Wikipedia

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