1. PARTIAL DESULFURIZATION OF CRUMB RUBBER IN THE PRESENCE OF METALLIC OXIDES. Authors: GABRIEL VASILIEVICI, MIHAELA MARIANA BOMBOŞ, SIMONA GHIMIŞ, DORIN BOMBOŞ, LUIZA-ANDREEA MÎRŢ.2. THERMO-CATALYTIC PYROLYSIS OF LIGNOSULFONATE FROM THE SULFITE PROCESS. Authors: GABRIEL VASILIEVICI, ANDREEA-LUIZA MÎRȚ, SIMONA-BIANCA GHIMIȘ, GRIGORE PȘENOVSCHI, MIHAI SÎRBU.3. DESULFURIZATION OF CRUMB RUBBER BY MODIFIED NATURAL ZEOLITIC CATALYSTS. Authors: DORIN BOMBOȘ, MIHAELA BOMBOȘ, EMILIAN ZAHARIA, ANDREEA-LUIZA MÎRȚ, GABRIEL VASILIEVICI.4. DEVULCANIZED CRUMB RUBBER AS BITUMEN MODIFIER. Authors: GABRIEL VASILIEVICI, ANDREEA-LUIZA MIRT, SIMONA GHIMIS, EMILIAN ZAHARIA, MIHAELA BOMBOS, DORIN BOMBOS.