Abstract
AbstractNovel algorithms for adaptive approximation and interactive navigation of Pareto sets are applied to various homogeneous distillation processes with recycle streams within an industrial flowsheet simulator. The adaptive approximation scheme shows that the Pareto set consists of both convex and non‐convex regions when the product purities are maximised while minimising the total heat duties. It is illustrated how such Pareto sets can be navigated interactively using a ray tracing technique. Our results suggest that the occurrence of non‐convex regions in the Pareto sets is due to recycle streams in the flowsheets and is therefore the rule rather than the exception in multi‐objective optimisation of flowsheet simulations in chemical engineering.
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