Industrial wastewater treatment by radical-based advanced oxidation technologies : Fenton treatment versus ferrous ion-activated persulfate processDulova, Niina; Kattel, Eneliis; Viisimaa, Marika; Trapido, Marina3rd International Congress on Water, Waste and Energy Management : Rome, Italy, July 18-20, 2016 : abstracts book2016 / p. 121-122