Decomplexation of Ni-EDTA by Three-Dimensional Electro-Fenton

Ni-ethylenediaminetetraacetic acid (Ni-EDTA) poses serious threats to the ecological environment and human health, due its acute toxicity low biodegradability. The decomplexation efficiency of Ni-EDTA through conventional Fenton process has been constrained pH; thus, other appropriate approaches are required destroy stable chelate structure at a neutral pH. In this study, effect operating parameters such as pH, Fe2+ concentration, particle electrode dosage, current density, coexisting ions was studied. results revealed that 3D-EF system owned advantages for removal in broadening pH application window. reached 84.89% after 120 min 7. addition, presence slightly affected Ni-EDTA.