Selective catalytic reforming with high-stability catalyst
AssigneeUop LLC
InventorsSteven A. Bradley, Leonid B. Galperin
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Abstract
A reforming process, selective for the dehydrocyclization of paraffins to aromatics, is effected using a catalyst containing a platinum-group metal, a nonacidic large-pore molecular sieve, and a metal modifier which is positioned on the catalyst to be extrinsic to the pores of the molecular sieve. The use of this catalyst results in greater selectivity converting paraffins to aromatics and improved catalyst stability particularly when processing feedstocks containing small amounts of sulfur compounds.
Claims10
A process for the reforming of a hydrocarbon feedstock comprising contacting the feedstock at reforming conditions with a catalyst comprising a platinum-group metal component, a nonacidic large-pore molecular sieve, an inorganic-oxide binder, and nickel having a higher concentration on the binder than on the molecular sieve to obtain an aromatics-rich effluent stream.
A process for the reforming of a hydrocarbon feedstock comprising contacting the feedstock at reforming conditions with a catalyst comprising a platinum component, a nonacidic L-zeolite, an inorganic-oxide binder, and nickel having a higher concentration on the binder than on the molecular sieve to obtain an aromatics-rich effluent steam.
Dependencies are inferred from the claim text.