Diesel additive for improving cetane, lubricity, and stability

Details Diesel additive for improving cetane, lubricity, and stability Diesel additive for improving cetane, lubricity, and stability

1997-02-07

1998-09-29

McAvoy, Ellen M.

Fuel and related compositions

Liquid fuels

44451, 585733, 585734, 585737, C10L 118, C07C 527

Patent

active

058141090

ABSTRACT:
A process for producing additive compositions, especially via a Fischer-Tropsch reaction, useful for improving the cetane number or lubricity, or both the cetane number and lubricity, of a mid-distillate, diesel fuel. In producing the additive, the product of a Fischer-Tropsch reaction is separated into a high boiling fraction and a low boiling, e.g., a 700.degree. F.- fraction. The high boiling fraction is hydroisomerized at conditions sufficient to convert it to a 700.degree. F.- low boiling fraction, the latter being blended with the 700.degree. F.- fraction and the diesel additive is recovered therefrom.

REFERENCES:
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patent: 4943672 (1990-07-01), Hamner et al.
patent: 5059741 (1991-10-01), Foley
patent: 5292989 (1994-03-01), Davis
patent: 5324335 (1994-06-01), Benham et al.
patent: 5362378 (1994-11-01), Borghard et al.
patent: 5378348 (1995-01-01), Davis et al.
patent: 5689031 (1997-11-01), Berlowitz et al.

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