Removal of Polyvinyl Alcohol Using Photoelectrochemical Oxidation Processes Based on Hydrogen Peroxide Electrogeneration

Figure 2

Effect of different electrode materials on the H₂O₂ electrogeneration. (Na₂SO₄ = 0.05 M, pH = 3, oxygen flow rate = 500 cm³ min⁻¹, and current density = 10 mA cm⁻²).