hydrocrack


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hy·dro·crack·ing

 (hī′drə-krăk′ĭng)
n.
A process by which the hydrocarbon molecules of petroleum are broken into simpler molecules, as of gasoline or kerosene, by the addition of hydrogen under high pressure and in the presence of a catalyst.

hy′dro·crack′ v.
hy′dro·crack′er n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

hydrocrack

(ˈhaɪdrəʊˌkræk)
vb (tr)
(Chemistry) to break down petroleum into simpler molecules in order to maximize the production of fuels
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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References in periodicals archive ?
Further, the segmentation of the market is divided by types, such as solvent extracted and hydrocrack paraffinic oil.
Hydrocracked base oils, by virtually eliminating sulphur, nitrogen, aromatic and other polar compounds, deliver extremely stable performance [4].
In many regions of the world, especially in Europe, there is a general trend toward the use of hydrocracked oil type functional fluids.