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تحقیق و طراحی مهندسی شیمی
جزئیات رویداد
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  • optimization of refinery hydrogen network based on chance constrained programming

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    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 821
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     deterministic optimization approaches have been developed and used in the optimization of hydrogen network in refinery. however, uncertainties may have a large impact on the optimization of hydrogen network. thus the consideration of uncertainties in optimization approaches is necessary for the optimization of hydrogen network. a novel chance constrained programming (ccp) approach for the optimization of hydrogen network in refinery under uncertainties is proposed. the stochastic properties of the uncertainties are explicitly considered in the problem formulation in which some input and state constraints are to be complied with predefined probability levels. the problem is then transformed to an equivalent deterministic mixed-integer nonlinear programming (minlp) problem so that it can be solved by a minlp solver. the solution of the optimization problem provides comprehensive information on the economic benefit under different confidence levels by satisfying process constraints. based on this approach, an optimal and reliable decision can be made, and a suitable compensation between the profit and the probability of constraints violation can be achieved. the approach proposed in this paper makes better use of resources and can provide significant environmental and economic benefits. finally, a case study from a refinery in china is presented to illustrate the applicability and efficiency of the developed approach.

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