Influence of TiO2/TS-1 Calcination on Hydroxylation of Phenol


  • Ratna Ediati Department of Chemistry, Faculty of Mathematic and Natural Sciences, Institut Teknologi Sepuluh Nopember
  • Maria Ulfa Department of Chemistry, Faculty of Mathematic and Natural Sciences, Institut Teknologi Sepuluh Nopember
  • Hamzah Fansuri Department of Chemistry, Faculty of Mathematic and Natural Sciences, Institut Teknologi Sepuluh Nopember
  • Zainab Ramli Ibnu Sina Institute for Fundamental Science Studies, Universiti Teknologi Malaysia
  • Hadi Nur Ibnu Sina Institute for Fundamental Science Studies, Universiti Teknologi Malaysia
  • Didik Prasetyoko Department of Chemistry, Faculty of Mathematic and Natural Sciences, Institut Teknologi Sepuluh Nopember



Titanium oxide (TiO2) was impregnated on the surface of titanosilicate-1 (TiO2/TS-1) and used as catalyst for hydroxylation of phenol with hydrogen peroxide. Calcination was conducted at various temperatures (400, 500, 600 and 700C)in order to observe the effect on the structure and physicochemical properties towards catalytic activity for producing hydroquinone. The structure and physicochemical properties of the TiO2/TS-1 catalyst were characterized by several techniques, such as X-ray diffraction (XRD), infrared spectroscopy, nitrogen adsorption, pyridine adsorption and hydrophilic measurement. The results show that by increasing the calcination temperature,the surface acidity of the catalyst was also increased.TheTiO2/TS-1 catalyst calcined at 500Cproved to be optimal for hydroquinone production, in which the anatase-rutile phase may be present dispersed on the MFI framework.


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