Research Article

Effects of Initial Nitrate Concentrations and Photocatalyst Dosages on Ammonium Ion in Synthetic Wastewater Treated by Photocatalytic Reduction

Figure 2

TEM image of (a) TiO2 photocatalyst and (b) 1.0%Ag-TiO2 photocatalyst.
(a) TiO2
(b) Ag-TiO2