Process for upgrading naphtha hydrocarbons

Details Process for upgrading naphtha hydrocarbons Process for upgrading naphtha hydrocarbons

1979-06-11

1981-01-20

Levine, Herbert

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 64, 208 91, 208 93, C10G 5900

Patent

active

042460948

ABSTRACT:
A process which comprises fractionating a wide-boiling range naphtha feedstock into a low-boiling, light-naphtha fraction having an end or maximum boiling point within the range of about 190.degree. to about 200.degree. F. (88.degree. to about 104.degree. C.), and a high-boiling, heavy-naphtha fraction having an initial boiling point within a range of about 190.degree. to about 220.degree. F. (88.degree. to about 104.degree. C.), and contacting the light-naphtha fraction in an isomerization zone with added hydrogen and a catalyst comprising tantalum pentafluoride and hydrogen halide to produce effluent yielding naphthene components which are blended with the heavy-naphtha fraction. The resulting blended material can be processed by reforming to produce an aromatic-rich naphtha product and hydrogen.

REFERENCES:
patent: 2324295 (1949-07-01), Goldsby et al.
patent: 2918422 (1959-12-01), Evering et al.
patent: 3761392 (1973-09-01), Pollock
patent: 3776837 (1973-12-01), Dautzenberg et al.
patent: 3948761 (1976-04-01), Siskin et al.

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