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A Study on the Treatment of Swine Wastewater Using Titanium Dioxide Prepared by Hydrothermal Method  

Yang, Jin-Seop (Division of Applied Chemical Engineering, Pukyong National University)
jung, Won Young (Division of Applied Chemical Engineering, Pukyong National University)
Baek, Seung Hee (Division of Applied Chemical Engineering, Pukyong National University)
Lee, Gun Dae (Division of Applied Chemical Engineering, Pukyong National University)
Park, Seong Soo (Division of Applied Chemical Engineering, Pukyong National University)
Hong, Seong-Soo (Division of Applied Chemical Engineering, Pukyong National University)
Publication Information
Applied Chemistry for Engineering / v.18, no.2, 2007 , pp. 148-154 More about this Journal
Abstract
This study was performed to evaluate the application of $TiO_2$ on the photocatalytic treatment of swine wastewater. $TiO_2$ sol was prepared by hydrothermal method with the agent ratio($(C_2H_5)_2NH_2\;mol/Ti(OC_3H_7)_4\;mol)=1$ and R ratio ($H_2O\;mol/Ti(OC_3H_7)_4\;mol)=42$. The effect of parameter on the removal efficiency of swine wastewater in a batch type immobilized photocatalyst system such as initial pH, intensity of UV, dosage of $TiO_2$, air flow rate, and concentration of $H_2O_2$ was examined. Wastewater was effectively eliminated in the presence of both UV light illumination and $TiO_2$. Photocatalytic activity was higher in acidic condition compared to neutral and alkaline conditions. In addition, photocatalytic activity increased with increasing UV light intensity, dosage of $TiO_2$, the flow rate of air and the amount of $H_2O_2$ added as an oxidant, but the excess amount of $H_2O_2$ dosage decreased the removal efficiency.
Keywords
Titanium dioxide; photocatalytic treatment; swine wastewater; hydrothermal method;
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