Electro-Fenton treatment of concentrates generated in nanofiltration of biologically pretreated landfill leachate

► The E-Fenton technology is an effective method for degrading refractory organics. ► The carbon-PTFE cathode is effective in electrochemically producing H2O2. ► The E-Fenton system can produce enough H2O2 in situ to treat leachate concentrates. ► Optimal reaction conditions for E-Fenton treatment of leachate is determined. ► Technical feasibility of E-Fenton for treating leachate concentrates is proved.