Mineralization of reactive Black 5 in aqueous solution by ozone/H2O2 in the presence of a magnetic catalyst

Removal of sulfamethoxazole from aqueous solution by sono-ozonation in the presence of a magnetic catalyst

“…On the other hand, the decomposition rate of ozone depended on the pH. The direct attack on organic compounds by ozone occurred under acidic conditions [14]. At a high pH value, ozone was partially decomposed to non-selective Å OH (Eq.…”

“…However, one obstacle to the practical application of catalytic ozonation is the separation of these catalysts from the final wastewater effluent. To overcome this drawback, magnetite was used to simplify the recovery stage of the treatment process [14].…”

Application of bifunctional magnetic adsorbent to adsorb metal cations and anionic dyes in aqueous solution

“…Magnetic separation is now widely used in the fields of medicine, diagnostics, molecular biology, [22], bioinorganic chemistry, and catalysis [23,24]. Furthermore, the method of magnetic separation is beneficial to the environment because it does not produce contaminants such as flocculants [25].…”

Catalytic ozonation of toxic pollutants over magnetic cobalt-doped Fe3O4 suspensions

“…Single ozonation and catalytic ozonation removed 2,4-D and produced Cl − at the same efficiency [8,10]. However, for the further degradation of intermediates, such as carboxylic acids, the oxidation performance of ozone was insufficient, while FeCo with ozone had significantly enhanced activity.…”

“…Despite these promising studies, one obstacle to the practical application of catalytic ozonation is the separation of these catalysts from the treated water. The application of magnetic particle technology to solve environmental problems has received considerable attention in recent years [6][7][8]. Magnetic particles can be separated from a medium using a simple magnetic process.…”