Synergistic roles of intrinsic and extrinsic iron in enhancing the activity and SO₂/H₂O resistance of a coal fly ash-supported VWTi SCR catalyst - Nan Zhang; Xinya Zhou; Yufei Jia; Xiangbo Feng; Shan Ren; Yadi Wang; Ruiqian Jiao; Dandan Ma; Yu Chen; Jian-Wen Shi (Chemical Engineering Journal, 2026)