||On the simultaneous optimization of pressure and layout for gas permeation membrane systems
|| Uppaluri, R.V.S., Smith, R., Linke, P., Kokossis, A.C.
||Journal of Membrane Science, vol.280, no.1-2, p.832-848
||Hydrogen recovery; Membrane separation; Optimization; Oxygen enriched air; Pressure; Simulated annealing; Superstructure
||We present a methodology for the simultaneous optimization of pressure and network configurations for gas separation membrane permeators. The methodology targets and refines pressure clusters for efficient operation of membrane networks and follows a three-stage strategy. The first stage produces a pressure target curve (PTC) that allows the identification of Pareto optimal pressure cluster combinations. This is followed by a second stage, where the different optimal pressure ratios are used in an optimal search for process structures to identify the performance of the individual clusters. The third stage processes the information generated in the first two stages in a generalized process superstructure model. Throughout the methodology, a modified process synthesis model for membrane network optimization and design is employed which can be optimized robustly using the simulated annealing algorithm. Three illustrative examples are presented to demonstrate the proposed methodology for simultaneous pressure and layout optimization. © 2006.
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