hydrogenation

hydrogenation
noun
a chemical process that adds hydrogen atoms to an unsaturated oil
-

food producers use hydrogenation to keep fat from becoming rancid

Derivationally related forms: ↑hydrogenate

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\\ˌhīdrə̇jə̇ˈnāshən, hīˌdräjə̇ˈ-\ noun (-s)
Etymology: International Scientific Vocabulary hydrogen + -ation
: the process of hydrogenating: as
a. : the addition of hydrogen to the molecule of an unsaturated organic compound usually in the presence of a catalyst (as nickel) and often at elevated temperature and pressure

hydrogenation of benzene to cyclohexane

b. : a decomposition (as of hydrocarbons) at high temperature and pressure with addition of hydrogen to the molecules formed : hydrogenolysis

hydrogenation of coal to gasoline and oils

— called also destructive hydrogenation

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hydrogenāˈtion noun
• • •
Main Entry:hydrogen

Useful english dictionary. 2012.

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  • Hydrogenation — Hy dro*gen*a tion, n. (Chem.) The act of combining with hydrogen, or the state of being so combined. [1913 Webster] …   The Collaborative International Dictionary of English

  • Hydrogénation — Exemple de réaction d hydrogénation: addition de dihydrogène sur l acide maléique pour le transformer en acide succinique, réaction réalisée sous pression (3 atm), catalysée par le palladium[1]. L hydrogénation est une réaction chimique qui… …   Wikipédia en Français

  • Hydrogenation — |date=1996|location=Washington, D.C.|pages=429|id=ISBN 0 8412 3344 6] Because of the importance of hydrogen, many related reactions have been developed for its use. Most hydrogenations use gaseous hydrogen (H2), but some involve the alternative… …   Wikipedia

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  • hydrogenation — hidrinimas statusas T sritis chemija apibrėžtis Vandenilio prijungimas. atitikmenys: angl. hydrogenation rus. гидрирование; гидрогенизация …   Chemijos terminų aiškinamasis žodynas

  • hydrogenation of coal — Conversion of coal to liquid fuels by hydrogenation • • • Main Entry: ↑hydrogen …   Useful english dictionary

  • Hydrogénation catalytique — Oxydation et réduction en chimie organique Les réactions d oxydo réduction sont d une importance capitale en chimie organique. Néanmoins, la structure des composés rend l approche assez différente de ce que l on observe en chimie inorganique ou… …   Wikipédia en Français

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