Photocatalysis Of Basic Black 2 (Janus Black) Dye Using Titanium Dioxide Doped With Zinc (Zn-Tio2)
Volume 1 - Issue 4, October 2017 Edition
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Author(s)
Ayebe B, Yelling M, Amana B.S, Obadahun J, Pascalina P. L
Keywords
Catalyst, Dye, Mineralization, Photo-catalysis, Titanium dioxide.
Abstract
Photo-catalysis of Basic Black 2 (Janus Black) dye was carried out to evaluate the Effect of Time, Metal load Concentration and Light source on the Photo-degradation of Basic Black 2 dye. The catalyst was synthesized by wet-impregnation of Zinc onto Titanium dioxide followed by calcinations at 5000C. The catalyst characterization results indicated that the synthesized TiO2 powder had a pure two phases of Anatase and Rutile structures. The level of mineralization of Basic Black 2 dyes was monitored by taking the absorbance of the dye solution before and after irradiation with the light source at an interval of 20 minutes. The results obtained as shown in Figure 5 and 7 indicated that the efficiency of Photo-degradation of Basic Black 2 dye was 99.92%, 95.94% and 74.46% using 1%, 3% and 5% Zn-TiO2 under Visible light and 98.22%, 97.46% and 73.61% using 1%, 3% and 5% Zn-TiO2 under UV light after irradiation for 80 Minutes respectively.
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