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The kinetics of ethers synthesis from alkenes and methanol catalyzed by the sulfonated styrene-divinylbenzene copolymer

Słomkiewicz P.M.

Polish Journal of Chemical Technology

2004

Vol. 6, nr 2

43-49

The investigation of ethers synthesis on the acidic catalyst (sulfonated styrene-divinylbenzene copolymer Amberlyst 15) was carried out. For the experiments: methanol and alkenes (propene, isobutene, 2-methyl-1-butene, 2-methyl-2-butene, 2-methyl-1-pentene, 2-methyl-2-pentene, 2-methyl-2-hexene) were chosen. The influence of the parameters reaction (temperature, partial pressure of the reacting substances) on the course of etherification reaction was determined. The Langmuir-Hinshelwood heterogeneous kinetic model was used for the description of the kinetic etherification reaction. The adsorption equilibrium constants for the alkenes and alcohols on the sulfonated styrene-divinylbenzene copolymer Amberlyst 15 by separate measurements, were also determined with a gas chromatography method. The influence of the carbon chain length in the alkenes on the kinetic parameters of the etherification reaction and the influence of the sorption effects on rate of the reaction was determined.