In the afternoon of June 12, 2024, Ms. Xinyu Xu successfully passed her PhD oral comprehensive exam. The title of her exam report is “Closed-loop Recycling and Utilization of Synthetic Textile Waste”. Her profound knowledge and excellent presentation helped her win a good evaluation from the external examiner, Dr. Sixu Deng, and other examining committee members (Drs. Catherine Mulligan, Biao Li, Zhi Chen, and Chunjiang An).