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  Production of butyl acetate by catalytic distillation : reaction kinetics and process design studies

Gangadwala, J., Kienle, A., Stein, E., & Mahajani, S. (2003). Production of butyl acetate by catalytic distillation: reaction kinetics and process design studies. In ISMR3 - CCRE18: joint research symposium of the 3rd International Symposium on Multifunctional Reactors and the 18th Colloquia on Chemical Reaction Engineering (pp. 191-194).

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-A021-A Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-A022-8
Genre: Conference Paper

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 Creators:
Gangadwala, J.1, Author              
Kienle, A.1, 2, Author              
Stein, E.1, Author              
Mahajani, S., Author
Affiliations:
1Process Synthesis and Process Dynamics, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society, ou_1738153              
2Otto-von-Guericke-Universität Magdeburg, External Organizations, ou_1738156              

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 Abstract: This paper studies reactive distillation for the synthesis of n-butyl acetate from n-butanol esterification with acetic acid over Amberlyst -15. This study is carried out to influence the unwanted side product dibutylether formation, produced by butanol dehydration. First of all, activity based intrinsic reaction kinetics for the main reaction (esterification) and the side reaction (etherification) have been developed. Effect of various parameters such as temperature, mole ratio, catalyst loading and catalyst particle size was studied. The intrinsic kinetic parameters related to Pseudohomogeneous (PH), Eley-Rideal (RE), Langmuir Hinshelwood Hougen Watson (LHHW), and modified LHHW (ML) models were developed. Good agreement between the model predictions and experimental data were obtained. For the main reaction RE model or modified LHHW model and for the side reaction LHHW model are appropriate representations of intrinsic kinetics. The developed rate expression were then used for the simulation based design of reactive distillation column for the production of butyl acetate with the goal of eliminating the side product formation and achieving high purity of desired product butyl acetate. A simple equilibrium stage, steadystate reactive distillation column model was developed and validated using expeimental data from the literature. The following column configurations are invesigated: (a) column with non - reactive rectifying section and reactive stripping section (b) column with non - reactive rectifying section, non - reactive stripping section and reactive middle section; and (c) conventional distillation column with pump around reactor. For each configuration, effect of design parameters such as, reboiler heat duty, catalyst loading, catalyst section length and location, and feed stage location were investigated with the objective to achieve desired goal.

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Language(s): eng - English
 Dates: 2003
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: eDoc: 173873
Other: 799
 Degree: -

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Title: 3rd International Symposium on Multifunctional Reactors - 18th Colloquia on Chemical Reaction Engineering
Place of Event: Bath, UK
Start-/End Date: 2003-08-27 - 2003-08-29

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Title: ISMR3 - CCRE18 : joint research symposium of the 3rd International Symposium on Multifunctional Reactors and the 18th Colloquia on Chemical Reaction Engineering
Source Genre: Proceedings
 Creator(s):
Affiliations:
Publ. Info: -
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 191 - 194 Identifier: -