Abstract
In this paper, we describe an alogirthm for the parametric solution of MINLP models in the context of process synthesis problems under uncertainty. The procedure, based on the outer-approximation/equation relaxation algorithm, involves the iterative solution of NLP subproblems and a parametric MILP master problem, with which an ε-approximate parametric solution profile can be obtained which corresponds to the set of optimal structures/designs as a function of a scalar uncertain parameter varying within a closed range. Three example problems are presented in detail to illustrate the steps of the proposed algorithm; its applicability to address general process synthesis problems under uncertainty is also briefly discussed.
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