A microscopic and quantitative analysis on the separation of chloride ion by fly ash washing: Effect of liquid-to-solid ratio, washing time and temperature - Haogang Huang; Wei Liu; Lin Zhang; Jiamei Fang; Fang Xu; Shi Bu; Weigang Xu; Chen Xu; Hongqi Yao; Zhilei Ma (Environmental Science and Pollution Research, 2022)