TY - JOUR T1 - Separation of PET from other plastics by flotation combined with alkaline pretreatment JO - PolĂ­meros A1 - Pita, Fernando A1 - Castilho, Ana SN - 0104-1428 UL - 10.1590/0104-1428.03320 VL - 30 Y1 - 2020 PB - Brasil ER -