Photocatalytic Degradation of p-Cresol by Zinc Oxide under UV Irradiation
AbstractPhotocatalytic degradation of p-cresol was carried out using ZnO under UV irradiation. The amount of photocatalyst, concentration of p-cresol and pH were studied as variables. The residual concentration and mineralization of p-cresol was monitored using a UV-visible spectrophotometer and total organic carbon (TOC) analyzer, respectively. The intermediates were detected by ultra high pressure liquid chromatography (UPLC). The highest photodegradation of p-cresol was observed at 2.5 g/L of ZnO and 100 ppm of p-cresol. P-cresol photocatalytic degradation was favorable in the pH range of 6–9. The detected intermediates were 4-hydroxy-benzaldehyde and 4-methyl-1,2-benzodiol. TOC studies show that 93% of total organic carbon was removed from solution during irradiation time. Reusability shows no significant reduction in photocatalytic performance in photodegrading p-cresol. View Full-Text
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Abdollahi, Y.; Abdullah, A.H.; Zainal, Z.; Yusof, N.A. Photocatalytic Degradation of p-Cresol by Zinc Oxide under UV Irradiation. Int. J. Mol. Sci. 2012, 13, 302-315.
Abdollahi Y, Abdullah AH, Zainal Z, Yusof NA. Photocatalytic Degradation of p-Cresol by Zinc Oxide under UV Irradiation. International Journal of Molecular Sciences. 2012; 13(1):302-315.Chicago/Turabian Style
Abdollahi, Yadollah; Abdullah, Abdul Halim; Zainal, Zulkarnain; Yusof, Nor Azah. 2012. "Photocatalytic Degradation of p-Cresol by Zinc Oxide under UV Irradiation." Int. J. Mol. Sci. 13, no. 1: 302-315.