Efficient regeneration of styrene-saturated activated carbon: Dynamic evolution from Co0-CoMn2O4 to a defect-rich mixed interface - Yimin Wang; Jian Li; Xuning Li; Jun Liu; Xiaoqing Liu; Ying Wang; Yongfa Zhang; Guojie Zhang; Yongliang Ma; Junhua Li; Xu Wu (Journal of Environmental Chemical Engineering, 2026)