1. CHEMICAL CHARACTERISATION OF ACID MINE DRAINAGE AND ITS IMPACT ON SURFACE WATER QUALITY IN THE FORMER MINING AREA OF VALEA VINULUI (BISTRIȚA COUNTY – ROMANIA). Authors: SIMINA BINDIU, CEZARA VOICA, CARMEN ROBA, CRISTINA ROȘU.2. PLATINUM RECOVERY FROM USED AUTO CATALYSTS: DISSOLUTION AND PRECIPITATION STUDIES. Authors: ANGELA M. KASZA, GABRIEL KATONA, MONICA DAN, CEZARA VOICA, OANA GRAD, MARIA MIHEȚ, TIBOR DEZSO, RUBEN NAGY, TIHAMER BOTS, MIHAELA DIANA LAZǍR.