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Photocatalytic Removal of Methyl Orange in aqueous solution by TiO2 using solar irradiation process | ||
| Iraqi National Journal Of Chemistry | ||
| Article 1, Volume 0, Issue 34, 2014, Pages 355-362 | ||
| Author | ||
| Fouad F. Al-Qaim | ||
| Abstract | ||
| Abstract An aqueous solutions of methyl orange were investigated in an open vessel equipped with sun light using three weights of TiO2 as catalyst to select the best. The effect of initial concentration for Methyl orange dye was studied for three concentrations 9.17 ×10-5 M , 9.17 ×10-7 M and 9.17 ×10-8 M and the results showed that the photodegradation percentages and the rate constants of low concentration was more than high concentration of same dye and the solution becomes colorless , and the mechanism of this process was proposed. The kinetic were studied at different intervals for four hours also the percentages of degradation were studied also. The determination of maximum wave length was done. The work was done on the roof of the laboratory building and the time of irradiation was between 10.00 am - 3.00 pm .The date of experiments was in November and the mean of temperature was 20C0 | ||
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