Multi-stage hydrodesulfurization of cracked naphtha streams with a stacked bed reactor

A process for the selective hydrodesulfurization of naphtha streams containing a substantial amount of olefins and organically bound sulfur. The naphtha stream is selectively hydrodesulfurized by passing it through a first reaction zone containing a bed of a first hydrodesulfurization catalyst, then...

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Main Authors THOMAS R. HALBERT, GARY BRICE MCVICKER, RICHARD ALAN DEMMIN, GARLAND BARRY BRIGNAC, EDWARD STANLEY ELLIS, JOHN PETER GREELEY, BRUCE RANDALL COOK
Format Patent
LanguageEnglish
Published 20.11.2008
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Summary:A process for the selective hydrodesulfurization of naphtha streams containing a substantial amount of olefins and organically bound sulfur. The naphtha stream is selectively hydrodesulfurized by passing it through a first reaction zone containing a bed of a first hydrodesulfurization catalyst, then passing the resulting product stream through a second reaction zone containing a bed of a second hydrodesulfurization catalyst, which second hydrodesulfurization catalyst contains a lower level of catalytic metals than the first hydrodesulfurization catalyst.
Bibliography:Application Number: AU20030241412