fig1

Figure 1. (A) Degradation kinetics of PXT (C₀ = 10 mg/L) and (B) TOC decrease kinetics with TiO₂ P-25 catalyst (200, 300, and 500 mg/L) under simulated solar irradiation (I = 500 W/m²). PXT: Paroxetine; TOC: total organic carbon.