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AssigneeExxonMobil Research and Engineering Company
InventorFrancis X. Kelly
Estimating the term…
A method for manufacturing an oxygenated gasoline-blend by blending a hydrocarbon Basestock for Oxygenate Blending (BOB) with an alcohol such as ethanol to a required octane specification first blends the BOB to an octane number, (RON+MON)/2 based on the octane sensitivity (RON−MON) of the BOB and the proportion of alcohol to be added to the BOB, such that when the BOB is blended with the specification proportion of alcohol to form the oxygenated gasoline blend, this blend will have the required octane specification. The blending of the BOB with the alcohol will typically be done at a location remote from that where the BOB is blended, e.g. at the product distribution terminal after being transported from the refinery by pipeline or tank car.
A method for manufacturing a hydrocarbon Basestock for Oxygenate Blending (BOB) to be blended with an alcohol to a required BOB-alcohol blend octane specification, which comprises:
A method of controlling the manufacture of a petroleum refinery gasoline pool comprising (i) a first grade which is a non-oxygenated gasoline grade blended to conform to a first blend octane requirement and (ii) a second grade which is a hydrocarbon Blendstock for Oxygenate Blending (BOB) blended to confirm to a second blend octane requirement lower than the first grade such that when the BOB is blended with a required amount of alcohol it meets an octane requirement for a BOB-alcohol blend, which method comprises:
Dependencies are inferred from the claim text.