“…In Brazil, WTS is still mostly discarded in rivers and streams. However, researchers have shown that besides the concentrations of solids and metals are higher than the target established by environmental requirements for effluents discharge in water bodies (BRASIL, 2005;CORDEIRO, 1993CORDEIRO, , 1999GUERRA, 2005), the WTS is a solid waste that must follow specific regulation for its disposal. HOPPEN et al, 2005aHOPPEN et al, , 2005b; in concrete for subfloor, soil-cement flooring (ARAÚJO et al, 2015), non-structural mortar , non-structural concrete blocks, manufacture of bricks (CABRAL, 2013); in ceramics industry (MORITA et al, 2002;TEIXEIRA et al, 2011) KAMON et al, 2000;MONTALVAN, 2021;RODRIGUEZ et al, 2011;ROQUE;CARVALHO, 2006); in embankments (MONTALVAN, 2021;WANG et al, 1992); backfills (FORTES et al, 2006);…”