Valorization of waste pharmaceutical residues via pyrolysis: Simultaneous production of biochar for Cd2+ removal and high-quality bio-oil/syngas - Zhizhen Feng; Bo Fu; Shanshan Han; Hong Yan; Puyang Feng; Wenxiao Li; Tao Qin; Tongtong Wang; Xinjie Zhang; Junchao Jia (PLoS ONE, 2026)