The Titanium and Mixed Titanium Carbon Nanoparticles Supported on Silica for Cyclohexene Conversion and of Dyes Removal

Essam Ezzo, Suzan Hassan, Maha Elaiashy, Amira Abdalla

Abstract


The two samples of  nanoparticles  sulfated titania over silica ST/SiO2 and sulfated titania active carbon over silica  STAC /SiO2 were  synthesized by sol- gel method and characterized by X-ray diffraction XRD , BET , thermal analysis and TEM spectroscopy . The TEM demonstrated that the average particle size of two samples were found to be in the range of (15-50 nm).The ST/SiO2 and STAC/SiO2 have been used as an effective catalyst for cyclohexene disproportionation which STAC/SiO2 catalyst  show much higher selectivity for benzene formation at temperature ranging from 200-280°C. Series of kinetic studies had been conducted for  the removal of acid and basic dyes. The STAC/SiO2 has a considerable potential as an adsorbent for the removal of acidic dye (eosin) than the basic dye (saffranin).

Keywords: ST/SiO2 and STAC/SiO2 nanocatalyst, Sol- Gel method ,cyclohexene and dyes.


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ISSN (Paper)2224-3224 ISSN (Online)2225-0956

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