Extraction of lithium from lepidolite by sulfation roasting and water ...
Section snippets Preparation and characterization. The lepidolite in this study was provided by Jiangxi Province (China). The lepidolite was first crushed in a jaw crusher, then ground in a ball mill and screened to 100% < 150 μ Xray powder diffraction pattern (XRD) of the ore is shown in Fig. 1 which indicates that the raw material was primarily lepidolite (K(Li, Al) 3 (Si, Al) 4 O 10 ...