Efficient phosphate removal from wastewater using Mg/Fe-functionalized tea stalk biochar through green synthesis and bio-assembly method - Huiyao Li; Shuai Shi; lrina lvshina; Ziyan Wang; Jing Gui; Ruolai Wang; Chunyu Pan; Yiwen Ning; Jianhua Qu; Siyue Han; Ying Zhang (Process Safety and Environmental Protection, 2025)