The amount of electrogenerated oxidants from NaCl and Na 2 SO 4 used as support electrolytes was quantified to compare their production in one electrochemical oxidation
reactor divided by anion exchange membrane and in another undivided reactor, as well as to evaluate the effects of various operational parameters. The introduction of an anion exchange membrane and the injection of O 2 in the cathodic zone is expected to increase the amount of oxidants, compared with their production in an undivided reactor. It was found that the addition of O 2 in the cathodic zone of the divided reactor has the main influence on the oxidant generation when Na 2 SO 4 is used as electrolyte, generating up to 32.98 µM. The increase of peroxydisulfate in the anodic zone of the same reactor is mainly influenced by the electric current, generating up to 198.65 µM. The current is
also the main factor for the generated oxidants in the undivided reactor, generating 57.61 µM. When NaCl was used as electrolyte, the generation of active chlorine is
mainly influenced by the electric current in both zones of the divided reactor, generating in the cathode zone up to 51.01 µM of ClO - , and 1427.28 µM of Cl 2 in the anodic zone,
while 982.14 µM of ClO - were determined in the undivided reactor. The introduction of the anionic exchange membrane produces higher quantities of electrogenerated oxidants, compared with the generated in the undivided reactor, especially in the anodic
zone.

https://zoom.us/j/92722253151?pwd=d0JzQVltS09PVlhYdHc4L1JvVllRUT09