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要旨:
Two different control strategies for Moving Bed chromatographic processes are developed and applied to True as well as Simulated Moving Bed processes. The first method represents an inferential control scheme with simple PI controllers. No mathematical model is required. Good control performance is obtained for processes with constant feed compositions and fluctuating flow rates. For processes with fluctuating feed composition and flow rates, a second, model based control scheme is proposed. It is based on nonlinear wave theoryand guarantees minimal solvent consumption and maximal feed throughput for any desired product purity without long winded optimization calculations.
