DESULFURIZATION OF NAPHTHA BLENDS
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United States of America Patent
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Issued Date -
Feb 18, 2016
app pub date -
Aug 13, 2014
filing date -
Aug 13, 2014
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Abstract
A process for desulfurizing a delayed coker naphtha in a catalytic naphtha desulfurization process in which the feed comprising the delayed coker naphtha is passed over a silicon trap comprising a high surface area inert alumina of low metals content prior to being hydrodesulfurized in an olefin-retentive, catalytic naphtha hydrodesulfurization process. Unpromoted (no intentional metals content), inert alumina is preferred for the silicon trap since it will not affect the olefin-retentive qualities of the hydrodesulfurization catalyst and for maximal silicon capture, a high surface area alumina is employed.
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