Rhodamine B degradation and reactive oxygen species generation by a ZnSe-graphene/TiO2 sonocatalyst

MIL-101(Cr)–cobalt ferrite magnetic nanocomposite: synthesis, characterization and applications for the sonocatalytic degradation of organic dye pollutants

“…To show the benet of the present degradation strategy, the obtained results from sonodegradation of RhB over the MIL-101(Cr)/CoFe 2 O 4 nanocomposite were compared with some reported catalysts in the literature. 3,18,[42][43][44][45][46][47][48][49][50] The comparison between the results in this study with the catalysts in the literature in shown in Table S1 † based on different parameters including initial dye concentration, degradation time, consumed catalyst amount and percentage, which illustrates the excellent degradation efficiency of the MIL-101(Cr)/CoFe 2 O 4 nanocomposite. Especially, the degradation reaction in the presence of most detailed catalysts took longer times and required a higher catalyst to dye ratio.…”

Photocatalytic performance and dispersion stability of nanodispersed TiO2 hydrosol in electrolyte solutions with different cations

“…The UV-Vis absorption spectra of nano TiO 2 powder degrading RhB have been studied in several reports (Lei et al, 2012;Wahyuningsih et al, 2014;Wang and Zhang, 2011;Wang et al, 2009;Zhao et al, 1998;Zhu et al, 2014). In these literatures, the absorbing peak values at the range of 230-270 nm in the spectra of nano TiO 2 powder degrading RhB were smaller than the peak values at 554 nm, and there was only one peak at the range of 200-350 nm.…”

CoFe2O4/CdS nanocomposite: Preparation, characterisation, and application in sonocatalytic degradation of organic dye pollutants

“…It is well known that the sonocatalytic degradation of organic pollutants over a sonocatalyst is based on three main phenomena i.e., sonoluminescence, 'hot spot', and oxygen atom escape [37]. Sonoluminescence occurs when a sound wave has sufficient intensity and induces gaseous cavities within a liquid to collapse quickly.…”

“…To meet the fast-developing water treatment requirements, there is a great need to devise innovative technologies and materials for efficient removal of pollutants from non-transparent wastewater. As a potential candidate, semiconductor-based sonocatalysis can overcome the above-mentioned disadvantages of the photocatalytic technology because ultrasonic irradiation has a strong penetration ability in all types of water media [32][33][34][35][36][37][38]. It is well known that the sonocatalytic efficiency depends highly on the type of catalyst.…”