Photocatalytic Degradation of Reactive Brilliant Blue KN-R by N, Fe- TiO2/FFA

Gui Rong Wang

doi:10.4028/www.scientific.net/AMR.183-185.2028

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 183-185Photocatalytic Degradation of Reactive Brilliant...

Photocatalytic Degradation of Reactive Brilliant Blue KN-R by N, Fe- TiO₂/FFA

Abstract:

TiO2 photocatalyst modified by N and Fe ions was loaded on self-made fly ash forming adsorbent (FFA) using the sol-gel dip-coating process. The crystal structure and photoadsorption ability was characterized by X-ray diffraction (XRD) and UV-Vis spectrophotometer, respectively. The photo catalytic degradation of Reactive Brilliant Blue KN-R using N, Fe-TiO2/FFA was examined. Effects of initial dye concentration, pH value and hydrogen peroxide dosage on degradation were studied. The degradation of the organic molecule followed a pseudo-first-order kinetics according to the Langmuir model. Under the optimum operation conditions, 30 mg/L KN-R could be decolorized over 97.47% within 75 min.

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Periodical:

Advanced Materials Research (Volumes 183-185)

Pages:

2028-2031

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.183-185.2028

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Online since:

January 2011

Authors:

Gui Rong Wang

Keywords:

Fe-TiO₂/FFA, N, Photo-Degradation, Reactive Brilliant Blue KN-R, Sol-Gel Method

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