Modified riser-reactor reforming process with prereactor

Details Modified riser-reactor reforming process with prereactor Modified riser-reactor reforming process with prereactor

1998-05-04

2000-03-14

Griffin, Walter D.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 63, 208 64, 208135, 208137, 208138, 208139, 208140, C10G 3504, C10G 3506, B01J 2390

Patent

active

060368454

ABSTRACT:
A catalytic reforming process comprises a prereactor which provides an intermediate stream to a riser reactor with multiple catalyst injection points to obtain high aromatics yields from a naphtha feedstock. Product from the riser reactor typically is discharged into a fluidized-bed reforming reactor, in which the reforming reaction is completed and catalyst is separated from hydrogen and hydrocarbons. Hydrocarbons from the reactor are separated to recover an aromatized product. Catalyst is regenerated to remove coke and reduced for reuse in the reforming process.

REFERENCES:
patent: 3033780 (1962-05-01), McGrath et al.
patent: 3776838 (1973-12-01), Youngblood et al.
patent: 3849289 (1974-11-01), Voorhies
patent: 3864240 (1975-02-01), Stone
patent: 5030782 (1991-07-01), Harandi et al.
patent: 5565090 (1996-10-01), Gosling et al.

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