Review of Heuristic Rules and Complex Column Arrangements for the Sequencing of Multicomponent Distillation Column

Volume: 11 | Issue: 01 | Year 2025 | Subscription
International Journal of Chemical Engineering and Processing
Received Date: 09/29/2024
Acceptance Date: 01/22/2025
Published On: 2025-01-25
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By: Siddharth Modi

Assistant Professor, Department of Chemical Engineering, Dharmsinh Desai University, Nadiad 387 001, Gujarat, India.

Abstract

An ordinary distillation column separates a binary feed into two products, but multi-component mixtures need more complex separation sequences. For a ternary mixture of component ABC, the separation can follow a direct sequence (A/BC, B/C) or an indirect sequence (AB/C, A/B), in which the direct sequence is preferred due to the lower operating cost. The heuristic rules based sequencing can be adapted for multi-component complex feed. As the number of components increases in the multi-component feed, advanced column arrangements like thermally coupled systems are required to be explored. The two-column Petlyuk tower, despite its lower vapor boil-up requirements, lacks industrial adoption. A promising innovation in this area is the Divided Wall Column (DWC), which integrates separation within a single column, offering potential energy and cost efficiencies. The present review addresses all the above-mentioned issues associated with multi-component feed separation. This review explores heuristic rules and advanced column arrangements for the efficient sequencing of multicomponent distillation columns. Traditional direct and indirect separation sequences are analyzed, highlighting the advantages of direct sequencing in energy and cost efficiency. The discussion extends to innovative designs like thermally coupled columns and Divided Wall Columns (DWC), emphasizing their potential to optimize energy use and reduce operational complexities in separating complex multicomponent mixtures.

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How to cite this article: Siddharth Modi, Review of Heuristic Rules and Complex Column Arrangements for the Sequencing of Multicomponent Distillation Column. International Journal of Chemical Engineering and Processing. 2025; 11(01): -p.

How to cite this URL: Siddharth Modi, Review of Heuristic Rules and Complex Column Arrangements for the Sequencing of Multicomponent Distillation Column. International Journal of Chemical Engineering and Processing. 2025; 11(01): -p. Available from:https://journalspub.com/publication/ijocep/article=14639

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