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Esterification of p...
Esterification of propanoic acid with ethanol, 1-propanol and butanol over a heterogeneous fiber catalyst
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Lilja, J. (författare)
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Warna, J. (författare)
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Salmi, T. (författare)
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- Pettersson, Lars J. (författare)
- KTH,Kemisk teknologi
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Ahlkvist, J. (författare)
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Grenman, H. (författare)
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Ronnholm, M. (författare)
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Murzin, D. Y. (författare)
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(creator_code:org_t)
- Elsevier BV, 2005
- 2005
- Engelska.
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Ingår i: Chemical Engineering Journal. - : Elsevier BV. - 1385-8947 .- 1873-3212. ; 115:02-jan, s. 1-12
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Esterification kinetics of propanoic acid with ethanol, 1-propanol and butanol over a fibrous polymer-supported sulphonic acid catalyst (Smopex-101) was studied. Experiments were carried out in a batch reactor operating isothermally at three different temperatures: 60, 70 and 75 degrees C (80 degrees C for butanol) and with different initial molar ratios of propanoic acid and alcohol (1:1, 1:2 and 2:1). The fiber catalyst was active and stable in all the experiments. The experimental results were modeled according to a Langmuir-Hinshelwood model and with an advanced adsorption-based model. The activity coefficients were calculated according to the UNIFAC model. The activation energy of esterification of propanoic acid with ethanol was found to be 52.6 kJ/mol, 49.9 kJ/mol with 1-propanol and 47.3 kJ/mol with butanol. The kinetic model, which includes the adsorption of carboxylic acid and water combined with the activities of the species, explained the experimentally recorded concentrations well.
Nyckelord
- esterification
- polymer-supported sulphonic acid catalyst
- density
- viscosity
- activity
- kinetic modeling
- cation-exchange resin
- vapor-phase esterification
- ethyl-acetate production
- acetic-acid
- reactive distillation
- carboxylic-acids
- amyl alcohol
- chemical-equilibrium
- reaction-kinetics
- activated carbon
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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