Diesel additive for improving cetane, lubricity, and stability
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United States of America Patent
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Sep 29, 1998
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N/A
app pub date -
Feb 7, 1997
filing date -
Feb 7, 1997
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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.
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