Decolorization of Reactive Black 5 Using Fe-Areca Nut as a Heterogeneous Fenton Catalyst

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Decolorization of azo dye, reactive black 5 (RB5) in an aqueous solution was investigated by using Fe-areca nut (Fe-AN) as heterogeneous catalyst. The effect of different parameters such as iron ions loading on supported catalyst, catalyst dosage, solution pH and initial concentration of H2O2 on the decolorization efficiency of the process were studied. The Fe-AN was prepared by impregnation process where iron ions were immobilized into areca nut and followed by calcinations process. The best reacting conditions were 4 wt% of iron ions loading on areca nut, catalyst dosage=1.0 g/L, initial pH= 2.5, [H2O2] o = 16 mM at temperature 30°C. Under these conditions, 99% decolorization efficiency of RB5 was achieved within 180 min reaction time. The results indicated that Fe-areca nut has proven to be an excellent heterogeneous catalyst for the decolorization of RB5 solution.

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Edited by:

Azmi Mohamed Yusof

Pages:

29-33

Citation:

M. A. Zaidill Azizan et al., "Decolorization of Reactive Black 5 Using Fe-Areca Nut as a Heterogeneous Fenton Catalyst", Applied Mechanics and Materials, Vol. 661, pp. 29-33, 2014

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October 2014

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$38.00

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