METHOD OF INCREASING OCTANE VALUE OF NAPHTHA FRACTION ENRICHED WITH NAPHTHENE GROUP HYDROCARBONS

Title:

METHOD OF INCREASING OCTANE VALUE OF NAPHTHA FRACTION ENRICHED WITH NAPHTHENE GROUP HYDROCARBONS

Document Type and Number:

Japanese Patent JPS588787

Kind Code:

A

Abstract:

Process for the production of a liquid effluent comprising at least 75% of aromatic hydrocarbons from a naphtha feed charge of high sulfur, nitrogen or oxygen content; said process comprises two steps: (a) hydrotreatment of the charge to decrease its sulfur, nitrogen or oxygen content to selected values, and (b) dehydrogenation of the product of step (a) in the presence of a supported catalyst whose neutralization heat by ammonia adsorption is lower than about 40 joules per gram at 300 mm Hg.

Inventors:

BERUNAARU JIYUGAN
JIERUMAN MANUTEINO
JIYAN MIKERU

Application Number:

JP11476982A

Publication Date:

January 18, 1983

Filing Date:

June 30, 1982

Export Citation:

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Assignee:

INST FRANCAIS DU PETROLE

International Classes:

C10G31/06; B01J35/10; C10G1/00; C10G35/06; C10G59/02; C10G69/08; C10L1/02; (IPC1-7): C10G35/06; C10G59/02

Attorney, Agent or Firm:

Einosuke Kishimoto

Next Patent: JPH0588788