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Optimisation-based simulation of a pressure swing adsorption process

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Abstract

In this paper, an optimisation-based approach is developed for the determination of the cyclic steady-sate (CSS) of a pressure swing adsorption process (PSA). It consists in treating the simulation problem as a single dynamic optimisation problem where the performance index is the CSS condition, the decision variables are the state variables at the start of the cycle and the constraints are given by the process model equations with associated initial conditions. The resulting optimisation problem is solved using a gradient-based non linear programming (NLP) method, e.g. SQP method, where the gradients are computed by means of four different methods: finite differences, numerical and analytical sensitivities and adjoint system methods.

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Authors and Affiliations

  1. Laboratoire des Sciences du Génie Chimique, CNRS-ENSIC, B.P. 20451, 1 rue Grandville, 54001, Nancy Cedex, France

    M. A. Latifi, D. Salhi & D. Tondeur

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  1. M. A. Latifi
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  2. D. Salhi
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  3. D. Tondeur
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Correspondence to M. A. Latifi.

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Latifi, M.A., Salhi, D. & Tondeur, D. Optimisation-based simulation of a pressure swing adsorption process. Adsorption 14, 567–573 (2008). https://doi.org/10.1007/s10450-008-9130-0

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  • DOI: https://doi.org/10.1007/s10450-008-9130-0

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