Fuel composition containing heavy fraction

Abstract

A fuel composition comprising: (a) a hydrocarbon fuel selected from the group consisting of diesel and gasoline; and (b) a synthetic blend, wherein the fuel composition further comprises a fuel additive composition comprising: (1) an ethoxylated alcohol composition having the structure: wherein R<1 >is a C6, C7, C8, C9, C10, C11, C12, C13, C14, C15, or C16 hydrocarbon, R<2 >is H or CH3, and x is 1-7; (2) a polyethylene glycol ester composition having the structure: wherein R<3 >is a C11, C12, C13, C14, C15, or C16, C17, C18, or C19 hydrocarbon, R<4 >is H or CH3, y is 1-20, R<5 >is H or COR<3>; and (3) an alkanolamide composition having the following general structure: wherein R<6 >is a C12, C13, C14, C15, or C16, C17, or C18, hydrocarbon, R<7 >is H or CH2CH2OH.

Description

[0001] In recent years, it has become more and more important to consider and control the emissions resulting from combustion processes, particularly from mobile combustion processes. Gasoline and diesel are the most prominent fuels used for mobile combustion sources. It has become apparent that the efficiency of a compression ignition engine is far better than a spark ignition engine. Among the emissions which must be controlled from mobile combustion sources are carbon monoxide (CO), carbon dioxide (CO.sub.2), nitrogen oxides (NO.sub.x), particulate matter (PM), and hydrocarbons (HC).[0002] Diesel engines present a further problem for the automotive and transportation industry because the exhaust emissions from these type of engines typically include high levels of PM, together with NO.sub.x. Diesel engine particulate emissions are easily observable in the form of black smoke discharged from the engine. Currently, diesel engine particulate matter emissions can be controlled by the...

AI Technical Summary

Benefits of technology

"The patent aims to show that it is possible to control carbon dioxide emissions without major changes to infrastructure or capital expenditures. It also aims to use existing infrastructures for feedstocks and to correct the NO.sub.x disadvantage of biodiesel. The patent also aims to improve fuel efficiency and reduce NO.sub.x emissions in engines operated at average ambient temperatures above 0.degree.C."

Problems solved by technology

Diesel engines present a further problem for the automotive and transportation industry because the exhaust emissions from these type of engines typically include high levels of PM, together with NO.sub.x.

While these emission-control devices are effective in decreasing particulate matter emissions, they are not effective in reducing NO.sub.x emissions.

However, these known emission control systems and strategies have associated disadvantages.

However, decreases in the sulfur content of the fuel generally results in a decrease in the lubricity of the fuel, which generally results in increased engine wear.

However, biodiesel is expensive to manufacture, and does not help reduce NO.sub.x emissions.

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