Abstract
Abstract. The present work focuses on the photocatalytic degradation of methyl orange (MO) on erbium trioxide nanoparticles (Er2O3 NPs). In this study, Er2O3 nanoparticles were synthesized and fully characterized via various techniques, including X-ray diffraction, UV–visible spectroscopy and scanning electron microscopy techniques. The results revealed that the photocatalytic activity of the prepared Er2O3 NPs was manifested in MO photodegradation. The optimum efficiency obtained was 16 %.
Highlights
One of the sources of water contamination was the wastewater generated from textile plants employing various dyestuffs (Khataee and Kasiri, 2010; Barbe et al, 1997)
Many studies have shown that coupling with other semiconductors, such as CdO (Liu et al, 2014), CeO2 (Uddin et al, 2012), SnO2, TiO2 (Pant et al, 2012), graphene oxide (GO) (Dai et al, 2014), and reduced grapheme oxide (RGO) (Zhou et al, 2012), is a feasible approach to enhance the photodegradation efficiency
Nanoparticles of Er2O3 under SL improved the effectiveness of the degradation of diazonium compounds for methyl orange or, in other words, removal of mixture polluted by methyl orange
Summary
One of the sources of water contamination was the wastewater generated from textile plants employing various dyestuffs (Khataee and Kasiri, 2010; Barbe et al, 1997). The approach, as a means of removal of persistent water contaminants like dyes and pesticides, has recently attracted the attention of numerous investigators (Xu et al, 2014; Chen et al, 2014; Liu et al, 2014). Many of these researchers used (aqueous) suspension of semiconductors irradiated by UV light to photodegrade the pollutants (Daneshvar et al, 2007). Methyl orange does not have a full spectrum of color variation, but it has a sharp end (Khodja et al, 2001; Sandberg et al, 1972)
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