Refinery Optimization: How to Run an Oil Refinery

Table 6.1 shows the parameters that are used in this example.

Table 6.1: Parameters

Parameter Name	Interpretation
arc_mult[arc]	Arc multiplier (default value of 1)
profit[product]	Profit from sale of final product (in pounds per barrel)
octane[i]	Octane per node
octane_lb[petrol]	Lower bound on octane
vapour_pressure[i]	Vapour pressure per node
fuel_oil_coefficient[i]	Fuel oil blending coefficient per node
sum_fuel_oil_coefficient	$\sum _{(i,\text {‘fuel}\mr{\_ }\text {oil’}) \in \text {ARCS}} \Argument{fuel\_ oil\_ coefficient[i]}$
vapour_pressure_ub	Upper bound on vapour pressure
crude_total_ub	Upper bound on number of barrels of crude distilled per day
naphtha_ub	Upper bound on number of barrels of naphtha reformed per day
cracked_oil_ub	Upper bound on number of barrels of oil cracked per day
lube_oil_lb	Lower bound on number of barrels of lube oil produced per day
lube_oil_ub	Upper bound on number of barrels of lube oil produced per day
premium_ratio	Lower bound on ratio of premium motor fuel production to regular motor fuel production