TY - CPAPER AU - Mihai Stefan AU - Irina Meghea AU - Daniela Simina Stefan TI - KINETIC STUDY OF Zn(II), Cd(II) AND Pb(II) IONS SORPTION ON Na-MONTMORILLONITE T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Ecology, Economics, Education and Legislation PY - 2017 SP - 597 EP - 604 DO - 10.5593/sgem2017/52/s20.076 PB - STEF92 Technology ER -