fig2

Figure 2. (A) Schematic diagram of reclaimed CM as a catalyst for activating PS in the degradation of the LFX within wastewater. Quoted with permission from Zhao et al.^[42]; (B) Flow chart for the reconstruction and process of spent LiCoO₂. Quoted with permission from Kang et al.^[44]. CM: Cathode material; PS: peroxymonosulfate; LFX: levofloxacin hydrochloride; SLCO: spent lithium cobalt oxide; DLSLCO: delithiation from spent lithium cobalt oxide.