BTX from naphtha without extraction

Details BTX from naphtha without extraction BTX from naphtha without extraction

1998-08-10

1999-12-14

Yildirim, Bekir L.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 66, 208138, 585322, C10G 3509

Patent

active

060012412

ABSTRACT:
A hydrocarbon feedstock is catalytically reformed in a sequence comprising a zeolitic-reforming zone containing a catalyst comprising a platinum-group metal and a nonacidic L-zeolite and an aromatics-isomerization zone containing a catalyst comprising a medium-pore molecular sieve, a platinum-group metal and a refractory inorganic oxide. Optionally, the zeolitic-reforming zone is preceded by a continuous-reforming zone associated with continuous catalyst regeneration, The process combination features high selectivity in producing a high-purity BTX product from naphtha.

REFERENCES:
patent: 4053388 (1977-10-01), Bailey
patent: 4157355 (1979-06-01), Addison
patent: 4181599 (1980-01-01), Miller et al.
patent: 4645586 (1987-02-01), Buss
patent: 5037529 (1991-08-01), Dessau et al.

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