聚焦锂/镁精准分离、锂高效富集、锂盐高纯度无损转化关键问题，采用电驱动膜过程强化策略，系统开展了盐湖提锂长流程工艺的梯级再造：一、开发了梯度耦合电渗析锂富集技术，突破了传统锂富集工艺传质动力学限制，显著缩短锂富集流程；二、研发了双极膜锂盐熵整重构技术，解决了混盐包覆结晶问题，全面提升氢氧化锂纯度；三、提出了“离子精馏”精准分离技术，大幅提升锂/镁选择性，实现“分离-富集-转化”一体化集成，建立了适用于各类盐湖卤水一步提锂的通用技术。研究成果为盐湖提锂工艺的绿色化、低碳化、集约化转型提供技术及理论支撑，为分离工程学科由“单元技术耦合”向“全流程一体化”革新提供全新范式。
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