文献类型：专利

英文题名：Separation of magnesium and lithium from salt lake brine for preparing lithium carbonate, involves adding precipitator to brine, reacting, crystallizing, separating magnesium and lithium, and adding carbonate to lithium solution

作者：HUANG D;JIN M;LI P;SUN Y;XU Y;YU J

机构：[1]UNIV EAST CHINA SCI&TECHNOLOGY;[2]UNIV EAST CHINA SCI & TECHNOLOGY

申请号：CN102602966-A

申请日：2012-04-06

公开日：2012-07-25

语种：英文

收录：DERWENT

摘要：NOVELTY - A recycled magnesium chloride precipitator is added to salt lake brine, reacted, and crystallized, magnesium and lithium are separated, and the precipitator is regenerated and recycled. An impurity-removing agent is added to the solution after removing magnesium and impurities are removed completely. A carbonate is added to the lithium-rich solution after removal of impurities and lithium carbonate crystals are precipitated. The crystals are filtered, washed and dried to obtain lithium carbonate product. USE - Separation of magnesium and lithium from salt lake brine for preparing lithium carbonate. ADVANTAGE - The method is simple, convenient and economical, and provides high lithium recovery rate and stable product quality.