hydrodesulphurizationn.
The removal (as hydrogen sulphide) of sulphur from crude petroleum or a petroleum product by the action of a catalyst and gaseous hydrogen at a moderately high temperature and pressure.
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hydrodesulphurization1950
hydrodesulphurizing1960
1950 Industr. & Engin. Chem. Sept. 1882/2 Several high sulfur gas oils were reduced in sulfur contents to those of gas oils from sweet crudes by hydrodesulfurization..at 750°F., 300 pounds per square inch pressure,..and 1000 cubic feet of hydrogen per barrel of charge.
1967 Proc. 7th World Petroleum Congr. IV. 167/2 Hydrodesulphurization has long been recognized as a means of removing sulfur [from] residual oils and asphalts.
Derivatives
ˌhydrodeˈsulphurize v. (transitive) to subject to hydrodesulphurization.
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hydrodesulphurize1950
1950 Industr. & Engin. Chem. Sept. 1881/1 Instead of processing the gas oil, it is possible to hydrodesulfurize the entire crude.
ˌhydrodeˈsulphurized adj.
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hydrodesulphurized1967
1967 Proc. 7th World Petroleum Congr. IV. 168/2 The hydrodesulfurized product tends to be relatively rich in nickel.
ˌhydrodeˈsulphurizing n.
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hydrodesulphurization1950
hydrodesulphurizing1960
1960 Times Rev. Industry Jan. 31/1 The regeneration of hydrodesulphurising catalysts for further use.
ˌhydrodeˈsulphurizer n. an apparatus in which this process is carried out.
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hydrodesulphurizer1955
1955 Industr. Chemist XXXI. 351/1 The first commercial hydrodesulphurizer applying the Shell trickle technique was recently started up.
This entry has not yet been fully updated (first published 1976; most recently modified version published online December 2020).
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n.1950