The Promotion Effect and Mechanism of Methanoic Acid on the Photoelectrocatalytic Degradation of Fulvic Acid

Figure 1

The structure of the thin-layer reactor: (1) TiO₂ nanotube array electrode; (2) saturated Ag/AgCl reference electrode; (3) Pt counter electrode; (4) quartz window; (5) flow inlet; (6) flow outlet.