TY - JOUR T1 - Acid treatments of montmorillonite-rich clay for Fe removal using a factorial design method JO - Materials Research A1 - Bieseki, Lindiane A1 - Bertell, Francine A1 - Treichel, Helen A1 - Penha, Fabio G. A1 - Pergher, Sibele B. C. SN - 1516-1439 UL - 10.1590/S1516-14392013005000114 VL - 16 Y1 - 2013 PB - Brasil ER -