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

Table 1

Effect of the oxygen flow rate and initial pH value on the H₂O₂ electrogeneration.

	Oxygen flow rate (cm^3 min^−1)				pH
	300	500	700	900	2	3	4	5
H2O2 generation concentration (mg L^−1)	13.7	24.3	25.4	26.1	22.2	24.3	14.4	11