Synergistic alkaline activation of coal gangue for silicon release: Mechanistic insights and soil microbial community restructuring towards sustainable waste valorization - Xin Lv; Minmin Liu; Jiushuai Deng; Zhenlei Cai; Hao Zhang; Yue Gao; Jianying Deng; Guoyong Wang; Chul B. Park (Journal of Environmental Chemical Engineering, 2026)