Wastewater Treatment using the “Sulfate Reduction, DenitrificationAnammox and Partial Nitrification (SRDAPN)” Process

Calcined ZnTi‐Layered Double Hydroxide Intercalated with H3PW12O40 with Efficiently Photocatalytic and Adsorption Performances

“…[62][63][64] Compared with the DRS (Figure 5a) of ZnTiÀ PW 12 and ZnTi-LDH, it can be found that the absorption edge of ZnTiÀ PW 12 increases. After calcining ZnTiÀ PW 12 at 500 °C, the adsorption edge shifts to higher wavelength region even to the visiblelight region, indicating that calcination at 500 °C improves the absorption of visible light irradiation, which may be ascribed to PW 12 and the heterojunctions structure of ZnO and TiO 2 .…”

“…Thereby, the treatment of wastewater has caused widespread concern in the world. [5][6][7][8][9][10] Common treatment methods include chemical reduction, [11,12] membrane separation, [13] adsorption, [14,15] etc. [16][17][18] Nonetheless, the chemical reduction method requires an excess of reducing agent; the membrane separation method has high energy consumption and adsorption is difficult to regenerate.…”