RESPONSE SURFACE METHODOLOGY FOR OPTIMIZATION OF PHENOL PHOTOCATALYTIC DEGRADATION USING CARBON-DOPED TIO2 NANO-PHOTOCATALYST

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MOGHADDAM SAMIRA; ZERAFAT MOHAMMAD MAHDI; SABBAGHI SAMAD

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Journal: International Journal of Nano Dimension Year:2018 | Volume:9 | Issue:1 Page(s): 89-103

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Title

RESPONSE SURFACE METHODOLOGY FOR OPTIMIZATION OF PHENOL PHOTOCATALYTIC DEGRADATION USING CARBON-DOPED TIO2 NANO-PHOTOCATALYST

Author(s)

MOGHADDAM SAMIRA | ZERAFAT MOHAMMAD MAHDI | SABBAGHI SAMAD | Issue Writer Certificate

Keywords

DOPING

NANO-PHOTOCATALYST

PHENOL

RESPONSE SURFACE METHODOLOGY

ULTRAVIOLET

Abstract

In this research, Carbon-doped TiO2 NANO-PHOTOCATALYST is synthesized via sol-gel technique and photocatalytic degradation of PHENOL has been studied under ULTRAVIOLET and visible light irradiation in a fluidized bed reactor. Various techniques are used to characterize TiO2 NANO-PHOTOCATALYST such as X-Ray Diffraction, Fourier transform infrared spectroscopy, Energy Dispersive Spectroscopy and Field Emission Scanning Electron Microscopy. Based on the results, carbon is introduced into titania structure leading to enhanced response towards visible light. RESPONSE SURFACE METHODOLOGY is used to model the effect of various parameters such as pollutant concentration, pH, irradiation time, photo-catalyst content and Carbon to TiO2 molar ratio. The optimum degradation occurs at pH=9, catalyst content=2.5 (g/L), initial PHENOL concentration=100 (mg/L), C to TiO2 molar ratio=2.5 and irradiation time=180 min. The results show that PHENOL photo-catalytic degradation kinetics follows Langmuir-Hinshelwood model very closely at optimal conditions. PHENOL degradation is 75 % under ULTRAVIOLET irradiation during a 180 min period and 70 % under visible irradiation during a 420 min period. Based on the results, C-TiO2 NANO-PHOTOCATALYST can be a good option for PHENOL removal under visible light irradiation.

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APA: Copy

MOGHADDAM, SAMIRA, ZERAFAT, MOHAMMAD MAHDI, & SABBAGHI, SAMAD. (2018). RESPONSE SURFACE METHODOLOGY FOR OPTIMIZATION OF PHENOL PHOTOCATALYTIC DEGRADATION USING CARBON-DOPED TIO₂ NANO-PHOTOCATALYST. INTERNATIONAL JOURNAL OF NANO DIMENSION (IJND), 9(1), 89-103. SID. https://sid.ir/paper/322383/en

Vancouver: Copy

MOGHADDAM SAMIRA, ZERAFAT MOHAMMAD MAHDI, SABBAGHI SAMAD. RESPONSE SURFACE METHODOLOGY FOR OPTIMIZATION OF PHENOL PHOTOCATALYTIC DEGRADATION USING CARBON-DOPED TIO₂ NANO-PHOTOCATALYST. INTERNATIONAL JOURNAL OF NANO DIMENSION (IJND)[Internet]. 2018;9(1):89-103. Available from: https://sid.ir/paper/322383/en

IEEE: Copy

SAMIRA MOGHADDAM, MOHAMMAD MAHDI ZERAFAT, and SAMAD SABBAGHI, “RESPONSE SURFACE METHODOLOGY FOR OPTIMIZATION OF PHENOL PHOTOCATALYTIC DEGRADATION USING CARBON-DOPED TIO₂ NANO-PHOTOCATALYST,” INTERNATIONAL JOURNAL OF NANO DIMENSION (IJND), vol. 9, no. 1, pp. 89–103, 2018, [Online]. Available: https://sid.ir/paper/322383/en

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