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Separation sequencing. use of information distance

Identifieur interne : 000134 ( Istex/Corpus ); précédent : 000133; suivant : 000135

Separation sequencing. use of information distance

Auteurs : Octavian Iordache ; Jean-Pierre Corriou ; Daniel Tondeur

Source :

RBID : ISTEX:C86D5B1A943ACCEF0DDEE3E8054275B69C2FD54A

English descriptors

Abstract

A fast process synthesis procedure is developed for generating preliminary separation schemes. The main approach is based on similarity indices obtained from chemical, physical and operating properties between two chemical species in a separation scheme. For the whole set of species, a similarity matrix results. On this basis, algorithms for classifying chemical species and generating separation sequences are developed. A distance between flowsheets is used in order to compare different separation schemes with one another or to some reference cases. The weights of the properties and heuristics are adjusted to account for well‐known optimal cases. Changes in the number of considered separation properties and in their hierarchy are also used to improve the procedure. The algorithm requires very little calculation and can even be implemented by hand in the simplest cases. Extensions of the algorithm include the use of actual values of the separation properties instead of boolean ones and the generation of non‐sharp flowsheets.

Url:
DOI: 10.1002/cjce.5450710618

Links to Exploration step

ISTEX:C86D5B1A943ACCEF0DDEE3E8054275B69C2FD54A

Le document en format XML

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