In-situ engineered TiO2/Al2O3 photocatalytic membrane for water-vapor-assisted selective NO oxidation in coal-fired flue gas - Wenli Liu; Rui Hu; Chunyue Gao; Wenjuan Yang; Chang Li; Hui Chen; Zhicheng Zhang; Qingna Kong; Jun Yao; Yanbin Yun (Journal of Environmental Chemical Engineering, 2026)