Sulfur K-edge XANES and simulated study of sulfur transformation behavior during coal rapid pyrolysis under Ar/CO2 atmospheres in a free-fall reactor - Keke Zhao; Yingjie Zhao; Size Tao; Lunjing Yan; Yanfeng Shen; Meijun Wang; Jiancheng Wang; Liping Chang; Weiren Bao (Fuel, 2025)