Removal of Methylene Blue from Aqueous Solutions Using CeFe0.5Cu0.5O3

Date

2018-5

Type

Article

Journal title

MATERIAL FOCUS

Issue

Vol. 7 No. 2

Author(s)

Labib Ali Awin

Pages

15 - 21

Abstract

The removal of Methylene blue dye from aqueous solutions using the B-site doped perovskite CeFe0.5Cu0.5O3 was investigated. The perovskite oxides were synthesised using Sol-Gel method and characterised by conventional powder X-ray diffraction technique. The X-ray measurements suggested that doping with Cupper ion influences the structural properties of the oxides. It was found that both CeFeO3 and CeFe0.5Cu0.5O3 compounds are orthorhombic and have approximate particle size of 54.5 and 72.6nm respectively. The batch mode study demonstrated that the removal capacity of Methylene Blue for CeFe0.5Cu0.5O3 (18.8(8)×103 mg/g) is larger than that for CeFeO3 (1.70(5)×103 mg/g) at 150 min and pH= 7. However, the two oxides exhibited similar capacities in both strong acidic and basic media. The removal of Methylene Blue was found to be negatively correlated with temperature. The maximum removals of dye were observed at pH = 2 and 12.

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