New perspectives in iron ore flotation: use of collector reagents without depressants in reverse cationic flotation of quartz - Silva, Klaydison; Filippov, Lev O; Piçarra, Alexandre; Flilippova, Inna V; Lima, Neymayer Pereira; Skliar, Anna; Faustino, Livia Marques; Leal Filho, Laurindo de Salles (Minerals Engineering, 2021)