Fe-TiO<sub>2</sub>/zeolite H-A photocatalyst for degradation of waste dye (methylene blue) under UV irradiation

Author:

Cahyanti Ririn,Sumari Sumari,Fajaroh Fauziatul,Roy Asrori Muhammad,Prakasa Yana Fajar

Abstract

<abstract> <p>Industrial wastewater contains non-biodegradable dyes that are highly toxic to humans and aquatic life. As solution from photocatalytic degradation, TiO<sub>2</sub> is one of the effective photocatalysts for wastewater degradation, but it has low adsorption power. To overcome this deficiency, this study synthesized a new photocatalyst by Fe-TiO<sub>2</sub>/zeolite H-A. The photocatalyst was successfully synthesized by the impregnation method and was systematically characterized by XRD, XRF, SEM, FT-IR and UV-Vis DRS. XRD diffractogram at 2θ = 25.3° showed anatase phase of the photocatalyst. SEM results showed a rough and soft surface with a size of 491.49 nm. FT-IR analysis obtained the zeolite-A characteristic band, vibration of Ti-O-Ti groups and the vibration of the Fe-O group. The bandwidth of the band gap was 3.16 eV. The photocatalytic efficiency of methylene blue degradation reached 89.58% yield with optimum conditions: irradiation time of 50 min, pH 9 and concentration of methylene blue about 20 mg/L. Fe-TiO<sub>2</sub>/zeolite H-A as a new photocatalyst can be an alternative photocatalyst to purify methylene blue.</p> </abstract>

Publisher

American Institute of Mathematical Sciences (AIMS)

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