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ABSTRACTThe conditions for photocatalytic degradation of ethylenediaminetetraacetic acid (EDTA) in aqueous solution with Fe-doped titanium dioxide (TiO2) were optimized. You must have JavaScript enabled in your browser to utilize the functionality of this website. The effect of various experimental factors, such as photocatalytic dosage, temperature, solution pH and light intensity on the photocatalytic degradation of EDTA by Fe-doped TiO2 was investigated. UV-VIS Photocatalytic Degradation of Nitrobenzene from Water using Heavy Metal Doped Titania.
IntroductionThe treatment of radioactive liquid waste from radiochemical plants and nuclear power plants become one of urgent problems for the environmental safety. For instance, the liquid waste containing bisphenol [10] , phthalate [11] and agricultural chemicals (thiram [12] ) has been treated with the photocatalytic degradation techniques.


Regioselectivity of Diels-Alder Cycloadditions of Electron-rich Dienes with Electron-Deficient Dienophiles. In the studies, Fe-doped TiO2 was very effective for the photocatalytic degradation of nitrobenzene.Thus far, several studies have been reported for the photocatalytic degradation of EDTA with titanium dioxide (TiO2) semiconductors [3] [7] . However, very few works related to the use of Fe-doped TiO2 in the photocatalytic degradation of EDTA in the aqueous solution have been reported.In the present work, the photocatalytic degradation of EDTA in the aqueous solution with Fe-doped TiO2 has been investigated. Moreover, the treatment conditions such as the photocatalytic dosage, temperature, solution pH and light intensity have been optimized.2. The photocatalyst powder was added into the solution to produce a given concentration of suspension. The experimental conditions for the optimization of treatment were shown in Table1 The A 15 W black light (Toshiba Lighting & Technology Corp) with a maximum emission of 352 nm was applied as light source, which was positioned on the side of photoreactor.


Effect of Doping MetalIn order to study the effect of doping metals on the photocatalytic degradation of EDTA in aqueous solution with TiO2, Pt and Fe-deposited photocatalysts were evaluated for the improvement of degradation efficiency. The degradation efficiency with irondoped TiO2 was better compared with those obtained with bare and Pt-doped TiO2. According to the estimation, Fe-doping may improve the photocatalytic degradation of EDTA in aqueous solution with TiO2 semiconductors. The increase in the efficiency appears to be owing to the increase in the total surface area, namely the number of active sites, available for the photocatalytic reaction as the dosage of photocatalyst increased.



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