Abstract
This work presents the synthesis and evaluation of three nano photo catalysts; f-MWCNT/TiO2 (P25), f-MWCNT/TiO2 (Synth.) and MWCNT-Boehmite/TiO2 (Synth.) for the removal of Thiophene (T), Benzothiophene (BT) and Dibenzothiophene (DBT) from diesel. They were characterized by FTIR, XRD and SEM techniques. The reaction mechanisms involving each of the catalysts are proposed. The elimination of Thiophen was achieved very efficiently with all the three catalysts as compared with the other two sulfur containing components. MWCNT-Boehmite/TiO2 nanocomposite photo catalyst performed the best in desulfurization process among the three catalysts used. The removal efficiency of T was greater than 98% and that of BT and DBT were about 95% and 94% respectively. Over ally, the best eliminating efficiency was obtained for the synthesized nanocomposite catalyst as 95.7% within 30 minutes of UV irradiation.
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