Abstract
Epoxidation of 2-buten-1-ol over Ti-MCM-41 and Ti-MCM-48 titanium silicalite catalysts The results of the epoxidation of 2-buten-1-ol with 30 wt% hydrogen peroxide have been presented. As a solvent methanol was used. The process was carried out over the titanium silicalite catalysts: Ti-MCM-41 and Ti-MCM-48. The influence of temperature (20 - 120°C), the molar ratio of CRA/H2O2 (5:1 - 5:1), methanol concentration (5 - 90 wt%), catalyst concentration (0.1 - 5.0 wt%) and the reaction time (30 - 300 min) was investigated. The obtained results were used for the determination of optimum conditions of running the epoxidation process of 2-buten-1-ol.
Highlights
The epoxidation of 2-buten-1-ol with a 30 wt% hydrogen peroxide was carried out with the application of the titanium silicate catalysts: Ti-MCM-41 and Ti-MCM-48
The TiMCM-48 structure has a three-dimensional system of channels, the diameter of which varies over the range of 1.5 – 10 nm[2], and the pore wall thickness amounts to 0.8 – 1.0 nm[3, 4]
In the epoxidation of 2-buten-1-ol over the Ti-MCM-41 and Ti-MCM-48 catalysts, the major reaction product is 2,3-epoxybutan-1ol (EB), the other products are formed depending on the applied technological parameters
Summary
The epoxidation of 2-buten-1-ol with a 30 wt% hydrogen peroxide was carried out with the application of the titanium silicate catalysts: Ti-MCM-41 and Ti-MCM-48. In the case of the selectivity of the transformation to the organic compounds in relation to the consumed H2O2, an increase in the value of this function was observed for both catalysts during the elevation of the process temperature.
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