PROCESS FOR NAPHTHA AROMATIZATION USING A MULTI-STAGE FLUIDIZED SYSTEM

• Main Authors: Li, Zhanyong, Towler, Gavin P, Egolf, Bryan J, Shi, Yili, Fayad, Elie J, Vanden Bussche, Kurt M, Senetar, John J, Buchbinder, Avram M
• Format: Patent
• Language: English
• Published: 15.06.2023
• Subjects: CHEMISTRY; CRACKING HYDROCARBON OILS; FUELS; LUBRICANTS; METALLURGY; MINERAL WAXES; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; TECHNICAL GASES CONTAINING CARBON MONOXIDE

A fluidized reforming process comprising a two stage fluidized reforming reactor is described. A naphtha stream flows upward through the two fluidized stages and contacts the catalyst forming a product stream and spent catalyst. The spent catalyst is separated from the product stream and the naphtha feed stream. Some of the spent catalyst is regenerated by contact with an oxygen-containing regeneration fluid to heat and reactivate the catalyst. The heated, regenerated catalyst forms at least a port of the catalyst stream for the process. A process for cyclizing paraffins or isomerizing cyclopentanes is also described. The process uses a chloride-free Pt/Ga-containing catalyst to form a cyclic aliphatic hydrocarbon or isomerizing a cyclopentane in the presence of the chloride-free Pt/Ga-containing catalyst to form a cyclohexane.