June 2019

Special Focus: Process Optimization

Linear vs. nonlinear: Calculate gasoline component properties

The US is the largest “gasoline guzzler” in the world, producing and consuming about 9 MMbpd of gasoline—global production is approximately 45 MMbpd.

Curcio, L. E., Refinery Automation Institute, LLC

The US is the largest “gasoline guzzler” in the world, producing and consuming about 9 MMbpd of gasoline—global production is approximately 45 MMbpd. Considering current gasoline prices (Regular 87 octane discounted at $2.22/gal), and a $2.5-B/yr gasoline production cashflow for an average-size US refinery, the capital involved is a staggering $250 B/yr. This means that even small production improvements have an enormous impact on the economics of the US refining industry. However, sloppy gasoline production costs the blender money. A simple example illustrates the “sloppiness” value in terms of easily understood property giveaway; that is, the gap between a spec (e.g., 87 octane) and the a

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