TY - CPAPER AU - Oana Cadar AU - Zamfira Dinca AU - Marin Șenilă AU - Anca Becze AU - Florin Todor TI - STUDIES ON THE MODIFICATION OF SOME NATURAL ZEOLITE FROM ROMANIA AFTER ACID AND BASIC TREATMENTS T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th SGEM International Multidisciplinary Scientific GeoConference Proceedings 2020, Science and Technologies in Geology, Exploration And Mining PY - 2020 SP - 309 EP - 316 DO - 10.5593/sgem2020/1.1/s01.039 PB - STEF92 Technology ER -