The degradation of Alizarin Yellow dye is studied here using the laser-induced photo-catalysis process in the presence of a zinc doped tungsten oxide catalyst. For optimization of the photo-catalytic process, the following parameters were investigated: dye concentration, laser irradiation time and incident laser energy. The calculated value of the reaction rate was found to be of a high value (k) = 0.197 (with estimated half-life of 6.5 min). This high value of k indicates the efficiency of this method in removing Alizarin Yellow dye from wastewater.
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The author greatly appreciates the scientific cooperation with Prof. M. A. Gondal, Laser Research Laboratory, Physics Department, King Fahd University of Petroleum & Minerals, Dhahran, Saudi Arabia.
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Seddigi, Z.S. Removal of Alizarin Yellow Dye from Water Using Zinc Doped WO3 Catalyst. Bull Environ Contam Toxicol 84, 564–567 (2010). https://doi.org/10.1007/s00128-010-9995-y
- Zn doped WO3 catalyst
- Wastewater treatment
- Alizarin yellow removal
- Reaction kinetics
- Laser applications