Large scale process optimization techniques applied to chemical and petroleum processes

Some approaches for finding the solution to large scale process optimization problems are discussed. Several popular nonlinear programming algorithms are tested and conclusions reached about their suitability for chemical process optimization. Decomposition procedures are also discussed and numerical studies made to examine the relative merits of decomposition vs. “black box” optimization strategies. Test problems include an oil refinery scheduling problem and a chemical process optimization problem On discute certaines methodes d'attaque pour trouver la solution de problemes d'optimisation dans le cas de procedes d'envergure. On a fait l'essai de plusieurs algorithmes bien connus de programmation non-lineaire et tire des conclusions sur leur efficacite relativement a l'optimisation de procedes chimiques. On discute aussi certains procedes de decomposition et fait des etudes numeriques pour determiner les avantages respectifs du systeme d'optimisation par decomposition et de celui dit “black box”. Les problemes etudies comprennent le reglage d'une raffinerie d'huile et l'optimisation d'un procede chimique.

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