DEGRADATION OF PARANITRO PHENOL BY COMPOSITION OF OZON AND PHOTOCATALISIS IN AQUEOUS SOLUTIONS

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AZIZI BEHNAZ; TABATABAEI S.M.

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Journal: THE APPLICATION OF CHEMISTRY IN ENVIRONMENT Year:2012 | Volume:3 | Issue:9 Page(s): 29-37

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Information Journal Paper

Title

DEGRADATION OF PARANITRO PHENOL BY COMPOSITION OF OZON AND PHOTOCATALISIS IN AQUEOUS SOLUTIONS

Author(s)

AZIZI BEHNAZ | TABATABAEI S.M. | Issue Writer Certificate

Keywords

MICRO POLLUTANT 4-NPQ2

PHOTO CATALYZEQ2

Abstract

The TiO2/UV/O3 process has been employed to remove 4-nitroPhenol (4-NP) and compare to UV/O3, TiO2/O3, TiO2/UV/O2, TiO2 and O3. The deterioration viabilities of all these processes were tested in aqueous solutions. The effects of ozone and catalyst dosage and PH conditions of 4-nitroPhenol(4-NP) solution on the advanced oxidation process (AOP) were investigated Results showed that the TiO2/UV/O3 is the most efficient process for complete mineralization of 4-nitroPhenol since the combination of photo catalytic oxidation with ozone has a synergistic effect. The relative intensity of DMPO-OH follows the order of O3<TiO2 /O3<UV/O3<TiO2/UV/O2<TiO2/UV/O3. In TiO2/UV/O3 process, the ozone and catalyst dosage are found to have a significant impact on the process efficiency whereas initial PH has relatively less effect. 4-nitroPhenol is absolutely oxidized to when the ozone dosage in the range of 5-18 mg/min, or the catalyst dosage ranging from 0.2 to 0.5 g/L. 4-nitroPhenol would be further oxidized to ions if the ozone dosage exceeds 24 mg/min, or the catalyst dosage exceeds 2.0g/L.

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APA: Copy

AZIZI, BEHNAZ, & TABATABAEI, S.M.. (2012). DEGRADATION OF PARANITRO PHENOL BY COMPOSITION OF OZON AND PHOTOCATALISIS IN AQUEOUS SOLUTIONS. THE APPLICATION OF CHEMISTRY IN ENVIRONMENT, 3(9), 29-37. SID. https://sid.ir/paper/236352/en

Vancouver: Copy

AZIZI BEHNAZ, TABATABAEI S.M.. DEGRADATION OF PARANITRO PHENOL BY COMPOSITION OF OZON AND PHOTOCATALISIS IN AQUEOUS SOLUTIONS. THE APPLICATION OF CHEMISTRY IN ENVIRONMENT[Internet]. 2012;3(9):29-37. Available from: https://sid.ir/paper/236352/en

IEEE: Copy

BEHNAZ AZIZI, and S.M. TABATABAEI, “DEGRADATION OF PARANITRO PHENOL BY COMPOSITION OF OZON AND PHOTOCATALISIS IN AQUEOUS SOLUTIONS,” THE APPLICATION OF CHEMISTRY IN ENVIRONMENT, vol. 3, no. 9, pp. 29–37, 2012, [Online]. Available: https://sid.ir/paper/236352/en

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