Patent ID: 8986402
Filing Date: 2015-03-24
Classification: C10L

Abstract:
1. 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: determining an octane sensitivity (Research Octane Number (RON)−Motor Octane Number (MON)) of a BOB; determining a relationship between the octane of the BOB and a required octane number of a BOB-alcohol blend, wherein said relationship is based upon the effect of BOB sensitivity on the octane boost resulting from the addition of alcohol to the BOB; formulating a blend recipe for a BOB, wherein the blend recipe is formulated to provide a BOB octane (RON, MON, and/or (R+M)/2) which will meet required octane specification(s) of a BOB-alcohol blend, and wherein the blend recipe is based upon the relationship between the octane of the BOB and the required octane number of the BOB-alcohol blend; and blending the BOB in accordance with the blend recipe.