Application of photochemical technologies for treatment of landfill leachate

► Photochemical iron-mediated aeration & TiO2 photocatalysis for leachate treatment. ► Removal efficiency tested on COD, BOD5, color, ammonia, and lead. ► Contact times for 90% removal were 10-200 h for PIMA ► Contact times for 90% removal were 3-37 h for TiO2 photocatalysis. ► Pre-filtration is not necessary.