Structural Characterization of Tungsten Oxides Supported on Titanium Silicalite

Didik Prasetyoko, Zainab Ramli, Salasiah Endud, Hadi Nur

Abstract


Titanium silicalite (TS-1) is known as an active material catalyst in the epoxidation reaction. In this study, tungsten oxides (WO3) with various loading amount have been supported on the TS-1 to increase of the catalytic activity of the TS-1 material. The solids structure and property were investigated by X-ray diffraction (XRD), temperature programmed reduction (TPR), ultra violet-visible diffuse reflectance (UV-Vis-DR) and infrared (IR) spectroscopy and scanning electron microscopy (SEM) techniques. The results showed that the structure of TS-1 is not collapsed after impregnation of WO3. It was also found that tungsten species have interacted with the silanol groups on the surface of TS-1.

Keywords


Material Catalysts; Titanium Silicalite; Tungsten Oxides; Characterization

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References


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DOI: http://dx.doi.org/10.12962/j20882033.v19i2.150

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