Abstract
Aniline was removed by photocatalysis reaction using zinc oxide (ZnO, ZnO/Al2O3 and ZnO/SiO2) as catalysts. The oxidation reactions were carried out in a batch reactor. The experiment was designed by Pleckett-Burman Full Factorial Design (FFD) for screening test. The FFD was used to factors screening of 3 factors: wt% of ZnO, catalyst loading and UV light source on aniline removal. The equation model for factors screening was well fitted to the experiment data, which was observed by R2 coefficient of 0.95. The results show that wt% of ZnO and catalysts loading were the significant effects. The highest percentage aniline removal of 82.7% was achieved at the reaction condition; 0.5g of ZnO catalyst and 30wt%ZnO under UV-C irradiation. Moreover, it was found that Pleckett-Burman FFD was useful in factor screening of the aniline removal by photochemical reaction over ZnO-based catalysts.
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