Proficient Photocatalytic and Sonocatalytic Degradation of Organic Pollutants Using CuO Nanoparticles

Figure 9

Recyclability of CuO NPs (25 mg) for the degradation of VB (pH 10) and DR (pH 4) dyes, time 12 minutes under (a) US irradiation and (b) UV-visible irradiations.

(a)

(b)