Sibel Ugduler (UGent) has presented her work on solvent pretreatment at the 23rd ACS Annual Green Chemistry & Engineering Conference in Reston, Virginia (USA). This international conference is world-wide renowned in the field of green chemistry and sustainability. At the conference, Sibel presented solvent-based techniques for the pretreatment of plastic waste and the challenges encountered with the removal of additives from plastic waste. Preliminary results on both the technical as economic and environmental aspects have been included.