Title

Finding exact separation boundaries in synthesis and design

Document Type

Conference Proceeding

Date of Original Version

1-1-2005

Abstract

Azeotropic, extractive, reactive distillation, and crystallization are among the most widely used techniques for product purification, the separation of chemical or biochemical intermediates, and solvent recovery. A new geometric methodology is presented that shows that exact separation boundaries can be defined through the use of differential geometry and dynamical systems theory and formulated as a constrained global optimization problem. The underlying theory is constructive and therefore leads to several practical algorithms for computing exact separation boundaries in a reliable and efficient manner. The novel approach is based on the observation that, for ternary liquids, separation boundaries correspond to local maxima in the line integral within a given separation region. The proposed approach has widespread application in chemicals and plastics, petroleum products, pharmaceuticals, protein and other bio-separations, the cleaning of medical equipment, metallurgy, and advanced materials. This is an abstract of a paper presented at the AIChE Annual Meeting and Fall Showcase (Cincinnati, OH 10/30/2005-11/4/2005).

Publication Title, e.g., Journal

AIChE Annual Meeting Conference Proceedings

Volume

2005

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