Simultaneous adsorption of polystyrene nanoplastics and phosphorus by a magnetic calcium-modified biochar from aqueous solutions: Mechanism and applications - Jingran Fu; Zelong Wang; Sishi Liu; Maoyu Jiao; Shefeng Li; Siyu Ding; Yong Zhang; Xuli Li; Haijun Lu; Jing Zhang; Hongyu Wang (Journal of Environmental Chemical Engineering, 2026)