Photocatalytic Degradation of Polynitrophenols on Various Commercial Suspended or Deposited Titania Catalysts Using Artificial and Solar Light

Figure 6

Kinetics of COD disappearance of nitrophenols in presence of different catalysts ((a) Degussa P25, (b) Millennium PC-500, and (c) PC-500 supported on Ahlstrom paper 1048). Experimental conditions: C₀ = 30 mg/L, [P25] = [PC500] = 0.5 g/L, V = 1 L, natural pH.

(a)

(b)

(c)