- Role of organic wastewater constituents in iron redox cycling for ferric sludge reuse in the Fenton-based treatmentBolobajev, Juri; Trapido, Marina; Goi, AnnaWorld Academy of Science, Engineering and Technology. International journal of chemical, molecular, nuclear, materials and metallurgical engineering2016 / p. 391-396 : ill http://scholar.waset.org/1999.2/10004092