Enhanced Sb(III) removal at μg·L−1 concentrations by self-assembled Fe-biochar aerogel: Adsorption, machine learning, and hydroponic remediation - Yuxin Zhao; Chaojie Wang; Nannan Zhang; Qing Han; Yurong Gao; Hanbo Chen; Jianhong Li; Bo Feng; Zheng Fang (Journal of Environmental Chemical Engineering, 2026)