PRODUÇÃO DE ACETATO DE n-BUTILA VIA DESTILAÇÃO REATIVA
DOI :
https://doi.org/10.18540/jcecvl5iss1pp0001-0012Mots-clés :
Destilação reativa, Acetato de butila, Esterificação, SimulaçãoRésumé
A produção de acetato de n-butila por meio da esterificação do ácido acético com o n-butan-1-ol via destilação reativa foi avaliada por simulação computacional. Este processo já foi amplamente estudado, entretanto este trabalho apresenta uma nova discussão sobre a influência dos parâmetros operacionais da coluna na conversão de n-butan-1-ol e pureza de acetato de n-butila. Todas as simulações foram realizadas no programa Aspen Plus empregando o método de propriedade UNIQUAC e um modelo cinético pseudohomogêneo para a esterificação com o módulo RadFrac. Um processo otimizado foi obtido para uma alimentação de 50 kmol/h, em uma coluna de 15 estágios, com uma conversão de n-butan-1-ol de 99,22 % e pureza de acetato de n-butila de 99,60%.
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Références
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CHO, M.; JO, S.; KIM, G.; HAN, M. Entrainer-Enhanced Reactive Distillation for the Production of Butyl Acetate. Industrial & Engineering Chemistry Research. V. 53, p. 8095-8105, abril, 2014.
HANIKA J.; KOLENA, J.; SMEJKAL Q. Butyl acetate via reactive distillation – modelling and experiment. Chemical Engineering Society. V. 54, p. 5205-5209. 1999.
HIWALE, R.; MAHAJAN, Y. S.; BHATE, N. V.; MAHAJANI, S. M. Industrial Application of Reactive Distillation: Recent Trends. International Journal of Chemical Reactor Engineering. V. 2, 54 p. 2004.
LONING S.; HORST, C.; HOFFMANN, U. Theoretical Investigations on the Quaternary System n-Butanol, Butyl Acetate, Acetic Acid and Water. Chemical Engineering Technology. V. 23, n. 9, p. 789-794, 2000.
MALONE, M. F.; DOHERTY, M. F. Reactive Distillation. Industrial & Engineering Chemistry Research. V. 39, n. 11, 3953-3957, 2000.
QIU, T.; HUANG, Z. X.; CHENG, C. B.; WU Y. X. Kinetics of - Synthesis n-Butyl Acetate over Cation-Exchange Resin Catalyst. Chemical Reaction Engineering and Technology. V. 25, n. 4, p. 355-359, março 2009.
SAKUTH, M.; REUSCH, D.; JANOWSKY, R. Ullmann’s Encyclopedia of Industrial Chemistry: Reactive Distillation. Wiley-VCH Verlag GmbH & Co. KGaA, 2008, p. 263-276, v. 31.
SERT, E.; ATALAY, F. S. Esterification of Acetic Acid with Butanol: Operation in a Packed Bed Reactive Distillation Column. Chemical and Biochemical Engineering Quartely. V. 25, n. 2, p. 221-227, maio de 2011.
SINGH, A.; HIWALE, R.; MAHAJANI, S. M.; GUDI, R. D.; GANGADWALA J.; KIENLE, A. Production of Butyl Acetate by Catalytic Distillation. Theoretical and Experiments Studies. Industrial & Engineering Chemistry Research. V. 44, p. 3042-3052. 2005.
STEINIGEWEG, S.; GMEHLING, J. n-Butyl Acetate Synthesis via Reactive Distillation: Thermodynamic Aspects, Reaction Kinetics, Pilot-Plant Experiments, and Simulation Studies. Industrial & Engineering Chemistry Research. V. 41, 5483-5490. 2002.
STOYE, D. Ullmann’s Encyclopedia of Industrial Chemistry: Solvents. Weinheim, Alemanha: Wiley-VCH Verlag GmbH & Co. KGaA, 2000. p. 819-688, v. 33.
TIAN, H.; ZHAO, S.; ZHENG, H.; HUANG, Z. Reactive Distillation for Producing n-Butyl Acetate: Experiment and Simulation. Chinese Journal of Chemical Engineering. V. 20, n. 5, p. 980-987, dezembro. 2012.
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Publiée
2019-03-08
Comment citer
Bravim Junior, V., & Pires Afonso, A. (2019). PRODUÇÃO DE ACETATO DE n-BUTILA VIA DESTILAÇÃO REATIVA. The Journal of Engineering and Exact Sciences, 5(1), 0001–0012. https://doi.org/10.18540/jcecvl5iss1pp0001-0012
Numéro
Rubrique
Engineering of Separations and Thermodynamics
