Kinetics and phase equilibria of competing aldolization and elimination in a three-phase reactor

V. Serra-Holm; T. Salmi; M. Kangas; P. Mäki-Arvela; L. P. Lindfors

doi:10.1016/S0920-5861(00)00639-8

Kinetics and phase equilibria of competing aldolization and elimination in a three-phase reactor

V. Serra-Holm^*, T. Salmi, M. Kangas, P. Mäki-Arvela, L. P. Lindfors

^*Corresponding author for this work

Laboratory of Industrial Chemistry and Reaction Engineering

Research output: Contribution to journal › Conference article › Scientific › peer-review

2 Citations (Scopus)

Abstract

Butyraldehyde was aldolized with formaldehyde over a weakly basic anion-exchange resin catalyst in aqueous solvent in a batch reactor operating at atmospheric pressure and at temperatures 50-70°C. The reaction mixture was a liquid-liquid-solid system, an emulsion, the phase equilibria of which were studied through chemical analysis of the organic and aqueous phase as well as of the mixed emulsion. Simplified rate equations were derived starting from molecular reaction mechanisms on the catalyst surface. A liquid-liquid reactor model for the fitting of the experimental results was developed on the basis of the rate equations and the phase equilibria. The model described very well the experimental data.

Original language	English
Pages (from-to)	419-426
Number of pages	8
Journal	Catalysis Today
Volume	66
Issue number	2-4
DOIs	https://doi.org/10.1016/S0920-5861(00)00639-8
Publication status	Published - 30 Mar 2001
MoE publication type	A4 Article in a conference publication
Event	Catalysis in Multiphase Reactors - Napoles, Italy Duration: 29 May 2000 → 29 May 2000

Keywords

Aldolization
Phase equilibria
Three-phase reactor

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10.1016/S0920-5861(00)00639-8

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title = "Kinetics and phase equilibria of competing aldolization and elimination in a three-phase reactor",

abstract = "Butyraldehyde was aldolized with formaldehyde over a weakly basic anion-exchange resin catalyst in aqueous solvent in a batch reactor operating at atmospheric pressure and at temperatures 50-70°C. The reaction mixture was a liquid-liquid-solid system, an emulsion, the phase equilibria of which were studied through chemical analysis of the organic and aqueous phase as well as of the mixed emulsion. Simplified rate equations were derived starting from molecular reaction mechanisms on the catalyst surface. A liquid-liquid reactor model for the fitting of the experimental results was developed on the basis of the rate equations and the phase equilibria. The model described very well the experimental data.",

keywords = "Aldolization, Phase equilibria, Three-phase reactor",

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T1 - Kinetics and phase equilibria of competing aldolization and elimination in a three-phase reactor

AU - Serra-Holm, V.

AU - Salmi, T.

AU - Kangas, M.

AU - Mäki-Arvela, P.

AU - Lindfors, L. P.

PY - 2001/3/30

Y1 - 2001/3/30

N2 - Butyraldehyde was aldolized with formaldehyde over a weakly basic anion-exchange resin catalyst in aqueous solvent in a batch reactor operating at atmospheric pressure and at temperatures 50-70°C. The reaction mixture was a liquid-liquid-solid system, an emulsion, the phase equilibria of which were studied through chemical analysis of the organic and aqueous phase as well as of the mixed emulsion. Simplified rate equations were derived starting from molecular reaction mechanisms on the catalyst surface. A liquid-liquid reactor model for the fitting of the experimental results was developed on the basis of the rate equations and the phase equilibria. The model described very well the experimental data.

AB - Butyraldehyde was aldolized with formaldehyde over a weakly basic anion-exchange resin catalyst in aqueous solvent in a batch reactor operating at atmospheric pressure and at temperatures 50-70°C. The reaction mixture was a liquid-liquid-solid system, an emulsion, the phase equilibria of which were studied through chemical analysis of the organic and aqueous phase as well as of the mixed emulsion. Simplified rate equations were derived starting from molecular reaction mechanisms on the catalyst surface. A liquid-liquid reactor model for the fitting of the experimental results was developed on the basis of the rate equations and the phase equilibria. The model described very well the experimental data.

KW - Aldolization

KW - Phase equilibria

KW - Three-phase reactor

UR - http://www.scopus.com/inward/record.url?scp=0035970277&partnerID=8YFLogxK

U2 - 10.1016/S0920-5861(00)00639-8

DO - 10.1016/S0920-5861(00)00639-8

M3 - Conference article

AN - SCOPUS:0035970277

SN - 0920-5861

VL - 66

SP - 419

EP - 426

JO - Catalysis Today

JF - Catalysis Today

IS - 2-4

T2 - Catalysis in Multiphase Reactors

Y2 - 29 May 2000 through 29 May 2000

ER -

Kinetics and phase equilibria of competing aldolization and elimination in a three-phase reactor

Abstract

Keywords

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