Mathematical models of hollow-bre and spiral-wound membrane modules are presented in this paper. ... more Mathematical models of hollow-bre and spiral-wound membrane modules are presented in this paper. The models are developed from rigorous mass, momentum and energy balances and can be used to describe a generic membrane separation. This is in contrast to most existing models which are typically process specic and are only valid within a limited operating range. The generality of the new approach is demonstrated by application to gas separation, pervaporation, and reverse osmosis case studies. Simulation results for these systems show excellent agreement with experimental data. ?
This paper introduces a novel optimal design strategy for membrane separation systems. This strat... more This paper introduces a novel optimal design strategy for membrane separation systems. This strategy is characterised by two main features: ÿrstly, detailed models are used. This is essential if sub-optimal and inaccurate solutions are to be avoided. Secondly, an optimisation technique based on genetic algorithms is implemented. The feasibility of the optimal design strategy is investigated using a pervaporation case study. To this end, an existing pervaporation plant is evaluated and a signiÿcantly improved design is found. ?
Mathematical models of hollow-bre and spiral-wound membrane modules are presented in this paper. ... more Mathematical models of hollow-bre and spiral-wound membrane modules are presented in this paper. The models are developed from rigorous mass, momentum and energy balances and can be used to describe a generic membrane separation. This is in contrast to most existing models which are typically process specic and are only valid within a limited operating range. The generality of the new approach is demonstrated by application to gas separation, pervaporation, and reverse osmosis case studies. Simulation results for these systems show excellent agreement with experimental data. ?
This paper introduces a novel optimal design strategy for membrane separation systems. This strat... more This paper introduces a novel optimal design strategy for membrane separation systems. This strategy is characterised by two main features: ÿrstly, detailed models are used. This is essential if sub-optimal and inaccurate solutions are to be avoided. Secondly, an optimisation technique based on genetic algorithms is implemented. The feasibility of the optimal design strategy is investigated using a pervaporation case study. To this end, an existing pervaporation plant is evaluated and a signiÿcantly improved design is found. ?
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Papers by James Marriott