人机协同主动学习加速低品位锂资源提纯，耐受镁杂质达6000ppm。
Human-AI Synergy in Adaptive Active Learning for Continuous Lithium Carbonate Crystallization Optimization
- 融合专家经验与数据驱动，动态优化连续结晶参数。
- 镁杂质容忍度从数百ppm提升至6000ppm，突破工业瓶颈。
- 适合锂资源开发、化工优化领域研究者参考。
随着电动汽车产业增长，对高纯度锂的需求激增，从北美低品位资源（如Smackover Formation）低成本提取锂变得至关重要。此类资源相比南美高纯卤水，需创新提纯技术才具经济可行性。连续结晶是生产电池级碳酸锂的有前景方法，但其优化受限于复杂参数空间和数据稀缺。本研究提出一种人机协同（HITL）主动学习框架，通过结合人类专业知识与数据驱动洞察，加速锂碳酸盐连续结晶过程的优化。结果表明，该框架能快速适应新数据，显著提升工艺对关键杂质（如镁）的耐受性，将行业标准的几百ppm提升至高达6000ppm。这一突破使富含杂质的低品位锂资源可经济利用，减少预精炼需求。借助人工智能优化操作参数，证明低品位原料在不牺牲产品质量的前提下可被有效利用。此项进展为经济开发北美巨大锂储量（如Smackover Formation）迈出关键一步，有助于提升全球锂供应链的可持续性。
原文摘要 · Abstract (English)
As demand for high-purity lithium surges with the growth of the electric vehicle (EV) industry, cost-effective extraction from lower-grade North American sources like the Smackover Formation is critical. These resources, unlike high-purity South American brines, require innovative purification techniques to be economically viable. Continuous crystallization is a promising method for producing battery-grade lithium carbonate, but its optimization is challenged by a complex parameter space and limited data. This study introduces a Human-in-the-Loop (HITL) assisted active learning framework to optimize the continuous crystallization of lithium carbonate. By integrating human expertise with data-driven insights, our approach accelerates the optimization of lithium extraction from challenging sources. Our results demonstrate the framework's ability to rapidly adapt to new data, significantly improving the process's tolerance to critical impurities like magnesium from the industry standard of a few hundred ppm to as high as 6000 ppm. This breakthrough makes the exploitation of low-grade, impurity-rich lithium resources feasible, potentially reducing the need for extensive pre-refinement processes. By leveraging artificial intelligence, we have refined operational parameters and demonstrated that lower-grade materials can be used without sacrificing product quality. This advancement is a significant step towards economically harnessing North America's vast lithium reserves, such as those in the Smackover Formation, and enhancing the sustainability of the global lithium supply chain.
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