Halo-organic pollutants: The effect of an electrical bias on their decomposition mechanism on porous iron electrodes

Borojovich EJC; Bar-Ziv R; Oster-Golberg O; Sebbag H; Zinigrad M; Meyerstein D; Zidki T

Applied Catalysis B: Environmental, Vol.210, 255-262, 2017

DOI10.1016/j.apcatb.2017.03.068 Export Citation

Halo-organic pollutants: The effect of an electrical bias on their decomposition mechanism on porous iron electrodes

Borojovich EJC, Bar-Ziv R, Oster-Golberg O, Sebbag H, Zinigrad M, Meyerstein D, Zidki T

The de-halogenation processes of CH2BrCHBrCOO- and of CH2ClCH(OH)COO- on Zero Valent Iron (ZVI) powders and porous iron electrodes were studied. The results suggest that by applying a negative voltage bias on the electrode, the composition of the products obtained is dramatically changed. Furthermore, the applied potential inhibits the passivation of the ZVI. Thus, it is recommended that the application of a negative potential to porous ZVI is desirable in batch treatment of halo-organic pollutants. (C) 2017 Elsevier B.V. All rights reserved.

Keywords:ZVI;Porous electrode;De-halogenation;Electrical bias