April 2017

Process Engineering

Calculate gasoline RVP seasonal change giveaway economics

Despite high demand and depressed refining margins, the US is in the midst of a glut of gasoline. This predicament is causing a rush to convert summer gasoline into cheaper winter gasoline, in the hope that using cheap butane and higher Reid vapor pressure (RVP) specs will increase refining profits.

Barsamian, A., Curcio, E., Refinery Automation Institute, LLC

Despite high demand and depressed refining margins, the US is in the midst of a glut of gasoline. This predicament is causing a rush to convert summer gasoline into cheaper winter gasoline, in the hope that using cheap butane and higher Reid vapor pressure (RVP) specs will increase refining profits. The same motivation prompts the hurried conversion of winter gasoline into summer gasoline in mid-March, rather than the usual mid-April. However, these strategies are proving to be ineffective. A summary of the economics of RVP rollover for a 100-Mbpd Atlantic Coast (AC) refinery is shown in Table 1, as well as discussed here. The US produces and

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