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- W2885672236 abstract "Abstract This study addresses the problem of procurement planning and its integration with production planning of a refinery. Though a complete integration of the optimization models of crude procurement planning and refining process operation is desirable, it is currently computationally problematic due to the very large size of the resulting optimization problem. An alternative to the fully integrated optimization is to determine the optimal crude demand by solving the refinery process optimization problem first, and then to solve the procurement planning problem to minimize the deviation of actual crude supply from the optimized demand. However, such a separation can result in a significant sub-optimality or even an infeasible refinery operation since deviations of same size between supply and demand can bring very different effects on the refining margin and operation depending on the type of deviation and the market situation. Such drawbacks can be alleviated by quantifying the effects of deviations and reflecting them on the weight parameters in the optimization problem of procurement planning. The developed approach is tested on a case study involving an actual industrial refinery. It is shown that the quantified weight factors help reduce feasibility problems and loss from the sub-optimality, compared to the conventional approach without such weight factors." @default.
- W2885672236 created "2018-08-22" @default.
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- W2885672236 date "2018-01-01" @default.
- W2885672236 modified "2023-09-26" @default.
- W2885672236 title "Procurement Planning of Refinery Integrated with Production System by Quantifying the Effect of the Gap Between Supply and Demand on the Production System’s Performance" @default.
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- W2885672236 doi "https://doi.org/10.1016/b978-0-444-64241-7.50183-x" @default.
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