Process for the production of diesel

Details Process for the production of diesel Process for the production of diesel

1997-02-14

1999-02-02

Yildirim, Bekir L.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208144, 208145, 585269, 585270, 585274, 585275, 585276, 585315, C10G 4500

Patent

active

058659854

ABSTRACT:
A process for the production of a diesel fuel includes contacting a feedstock comprising cracked stocks in the presence of hydrogen under conditions of elevated temperature and pressure with a first catalyst comprising a Group VI hydrogenation metal component and a Group VIII hydrogenation metal component on a substantially non-acidic carrier, and then contacting at least a portion of the effluent from the first catalyst with a second catalyst comprising a Group VI hydrogenation metal component and a Group VIII hydrogenation metal component on an acidic carrier. This process can produce diesel fuels having an improved cetane index and API gravity. The effluent from the second catalyst bed may be contacted with a third catalyst bed which contains a catalyst comprising a Group VI hydrogenation metal component and a Group VIII hydrogenation metal component on a substantially non-acidic carrier.

REFERENCES:
patent: 3642612 (1972-02-01), Girotti et al.
patent: 4363719 (1982-12-01), Bousquet et al
patent: 5068025 (1991-11-01), Bhan
patent: 5183556 (1993-02-01), Reilly et al.
patent: 5558766 (1996-09-01), Prada et al.
Gasoline and Other Motor Fuels, vol. 11, pp. 683-684.

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