Photocatalytic Degradation of Ethylene Dichloride in Water Using Nano TiO2 Supported on Clinoptilolite as a Photocatalyst


In this article one of the advanced oxidation processes (AOP) combined methods, photocatalyst /H2O2, is utilized in order to study photodegradation of ethylene dichloride (EDC) in water. Nano Titanium (IV) Oxide, supported on Clinoptilolite (CP) (Iranian natural zeolite) using solid-state dispersion (SSD) method for improvement of its photocatalytic properties. The results show that the TiO2/Clinoptilolite (SSD) is an active photocatalyst. The effects of five important photocatalytic reaction parameters including the initial concentration of ethylene dichloride, the ratio of TiO2/Clinoptilolite, the catalyst concentration, H2O2 concentration and pH in photodegradation of ethylene dichloride were examined. In this experiments, the design and also the optimum parameters were obtained by Taguchi Method, using Design Expert8® software. Taguchi's L27 (5^3) orthogonal array design was employed for the experimental plan. Four parameters were found to be significant whereas, pH was found to be an insignificant parameter after conducting experiments. A first order reaction with K = 0.007 min-1 was observed for the photocatalytic degradation reaction.

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M. Nikazar, S. Jalali Farahani and M. Reza Soltani, "Photocatalytic Degradation of Ethylene Dichloride in Water Using Nano TiO2 Supported on Clinoptilolite as a Photocatalyst," Advances in Materials Physics and Chemistry, Vol. 2 No. 4B, 2012, pp. 274-276. doi: 10.4236/ampc.2012.24B070.

Conflicts of Interest

The authors declare no conflicts of interest.


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