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US 10,369,546 B2Granted
Process for oxidative desulfurization with integrated sulfone decomposition
AssigneeSaudi Arabian Oil Company
InventorsOmer Refa Koseoglu, Abdennour Bourane
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Abstract
The process provided herein is concerned with disposal of oxidized sulfur compounds formed by oxidative desulfurization. The process uses solid base catalyst pretreated with a base and eliminates the need to separate the sulfones from the hydrocarbon streams and recover the hydrocarbons.
Claims19
A process for reducing the concentration of oxidized sulfur compounds from a mixture of liquid hydrocarbons and the oxidized sulfur compounds, the process comprising:
- a. contacting the mixture of hydrocarbons and oxidized sulfur compounds with a solid base catalyst composition in the presence of a caustic solution,
- the solid base catalyst composition comprising separate components or a mixture of zinc oxide, aluminum oxide, zinc aluminates, layered double hydroxides, and magnesium/aluminum layered double hydroxide,
- the contacting occurring under conditions effective to promote catalytic decomposition of a portion of the oxidized sulfur compounds into SOx compounds;
- b. removing SOx compounds from the hydrocarbon mixture;
- and
- c. recovering a hydrocarbon product having a reduced concentration of oxidized sulfur compounds.
3 more elements
Dependencies are inferred from the claim text.