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Chemical Product and Process Modeling

Ed. by Sotudeh-Gharebagh, Rhamat / Mostoufi, Navid / Chaouki, Jamal

CiteScore 2017: 0.96

SCImago Journal Rank (SJR) 2017: 0.295
Source Normalized Impact per Paper (SNIP) 2017: 0.347

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Reactive Dividing-Wall Columns - Defying Equilibrium Restrictions

Anton A Kiss / J. J. Pragt / C. J. G. van Strien
Published Online: 2009-08-14 | DOI: https://doi.org/10.2202/1934-2659.1365

This work presents an integrated reactive-distillation design based on a dividing-wall column (DWC) applied to an industrial case study within AkzoNobel. Remarkably, it is among the first industrial applications of a reactive DWC reported in literature. The benefits of this novel integrated design are the ability to overcome VLE and chemical equilibrium limitations, as well as to separate the main product as high purity side-stream. To solve the problem of a production shift required by market demand changes, we propose an innovative integrated design that combines reaction and separations into one reactive DWC that allows significant savings in capital and operating costs – up to 35% and 15%, respectively. Two scenarios are analyzed and the results of the rigorous AspenPlus simulations are provided.

Keywords: reactive distillation; dividing-wall column; equilibrium reactions; VLE restrictions

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Published Online: 2009-08-14

Citation Information: Chemical Product and Process Modeling, Volume 4, Issue 5, ISSN (Online) 1934-2659, DOI: https://doi.org/10.2202/1934-2659.1365.

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