Degradation of surfactant used in iron mining by oxidation technique: Fenton, photo-Fenton, and H2O2/UV : a comparative study - Falconi, Isabela Brandolis Alves; Baltazar, Marcela dos Passos Galluzzi; Espinosa, Denise Crocce Romano; Tenório, Jorge Alberto Soares (Canadian Journal of Chemical Engineering, 2020)