中国铷盐水提取技术突破，重塑全球关键矿产供应格局

基础金属	铜电解铜铜精矿铜管铜棒废铜铜排铜合金精铜杆再生铜杆铜板带铝铝土矿氧化铝电解铝铝辅料铝棒铝合金锭废铝铝杆铝型材铝板卷铅铅精矿铅锭铅蓄电池再生精铅还原铅废铅蓄电池铅合金锌锌精矿电解锌锌合金氧化锌锌粉锡锡精矿锡锭锡材镁
稀有金属	稀土稀土矿稀土氧化物稀土金属钕铁硼稀散金属锑铋铟锗镓硒钽锆贵金属白银钨钨精矿 APT(仲钨酸铵)钨粉碳化钨钨酸钠钨条钨铁钨材钼钼精矿工业氧化钼钼铁钼化工高纯三氧化钼钼金属钛钛精矿钛渣四氯化钛海绵钛钛金属钛白粉硒
新能源	锂锂矿锂化合物金属锂镍镍矿镍铁精炼镍镍盐高冰镍 MHP 钴电解钴钴粉氯化钴四氧化三钴硫酸钴钴中间品氧化钴碳酸钴钴酸锂锰锰矿电解锰电池级硫酸锰锂电正负极三元前驱体磷酸铁正极材料石油焦针状焦包覆沥青人造石墨硅碳负极硅氧负极硅

基础金属

铜电解铜铜精矿铜管铜棒废铜铜排铜合金精铜杆再生铜杆铜板带铝铝土矿氧化铝电解铝铝辅料铝棒铝合金锭废铝铝杆铝型材铝板卷铅铅精矿铅锭铅蓄电池再生精铅还原铅废铅蓄电池铅合金锌锌精矿电解锌锌合金氧化锌锌粉锡锡精矿锡锭锡材镁

稀有金属

稀土稀土矿稀土氧化物稀土金属钕铁硼 稀散金属锑铋铟锗镓硒钽锆 贵金属白银钨钨精矿 APT(仲钨酸铵)钨粉碳化钨钨酸钠钨条钨铁钨材钼钼精矿工业氧化钼钼铁钼化工高纯三氧化钼钼金属钛钛精矿钛渣四氯化钛海绵钛钛金属钛白粉硒

新能源

锂锂矿锂化合物金属锂镍镍矿镍铁精炼镍镍盐高冰镍 MHP 钴电解钴钴粉氯化钴四氧化三钴硫酸钴钴中间品氧化钴碳酸钴钴酸锂锰锰矿电解锰电池级硫酸锰 锂电正负极三元前驱体磷酸铁正极材料石油焦针状焦包覆沥青人造石墨硅碳负极硅氧负极硅

中国铷盐水提取技术突破，重塑全球关键矿产供应格局

2025-06-16 10:42:12 来源：地一眼责任编辑：王天龙

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中国首次成功从盐湖卤水中提取出超高纯度氯化铷，大幅降低进口依赖，标志着战略矿产自主进入新时代。这一突破可能重塑与量子技术、国防系统和可再生能源相关的全球供应链。

全球首创：从盐卤中提取铷

中国实现了一项全球首创：从超低浓度盐湖卤水中商业提取高纯度氯化铷。这一成就标志着中国在矿产自给自足方面取得重大飞跃。

该技术由中国科学院青海盐湖研究所宣布。研究人员使用仅含0.001%铷的氯化钾原料，成功生产出纯度达99.9%的氯化铷。这项中试生产在青海的察尔汗盐湖进行。该地区虽然拥有国内铷资源储备，但过去一直未能有效利用。

为何铷如此重要

尽管在商品市场上常被忽视，铷却是高精度和国防技术的关键基础材料。这种金属能提高钙钛矿太阳能电池的稳定性，是GPS和加密通信不可或缺的部分，还用于制造铷原子钟——它对太空导航和安全网络至关重要，其误差可控制在百万年不足一秒。

鉴于其战略重要性，美国于2022年将铷列为关键矿产，使其加入日益增长的、易受地缘政治干扰影响的稀有材料名单。

中国的铷困局：有储量却难获取

尽管中国铷储量可观，但在结构上仍依赖进口。根本原因在于地质条件。

中国有色金属资源地质调查局高级地质学家何新宇（He Xinyu）表示：“虽然中国是全球主要铷生产国，但其产业严重依赖进口矿石。2021年，中国进口了1.95万吨铷精矿，外部采购率高达66.3%——主要来自加拿大和津巴布韦。”

中国已知的铷资源中，约97%蕴藏于硬岩矿床中。这种矿床开采成本高、产量低，开发难度大。仅有约3%存在于盐湖和地热水中，主要分布在青海和西藏自治区。

双轨创新策略

这一突破源于多年并行开展的理论与工程研究。科学家们首先开发了一个预测模型，用于追踪铷在钾盐生产过程中的分布规律。这帮助他们确定了铷难以富集的阶段，并找到了捕获铷的关键节点。

随后，他们构建了一套完整的工艺流程链：洗矿、铷浸出、痕量富集、溶剂萃取和纯化。最终产出的是工业级氯化铷——不仅技术上有竞争力，更重要的是，它实现了国产化。

规模化生产的经济可行性

这项创新不仅具有科学意义，更具有商业价值。由青海盐湖研究所研究员高丹丹（Gao Dandan）牵头的一项2022年成本分析估计，用此方法生产氯化铷的成本仅为当时市场价格的三分之一。这种技术可行性与经济激励的完美结合实属罕见。

该项目由国家自然科学基金委员会和青海省地方政府共同支持。这种国家支持研发的模式正被越来越多地用于降低矿产进口依赖。

战略影响：从稀土到铷

这一突破的时机值得关注。在矿产保护主义抬头和供应链重组的背景下，中国正加紧控制对航空航天、能源和人工智能基础设施至关重要的关键原材料。

中国在2010年代主导稀土市场的经历提供了先例。虽然铷目前仍属小众商品，但随着下一代技术的成熟，其重要性将日益凸显。控制铷的供应——以及低成本提取它的工艺——可能成为更广泛技术自主战略中的一个杠杆。

全球影响：新的战略变量

对于那些依赖安全、非中国来源关键矿产的国家来说，铷提取技术的突破带来了新的压力点。西方构建多元化供应链的尝试，现在可能面临更紧迫的时间窗口。

如果实现规模化生产，中国的工艺可能会以低成本、高纯度的产品涌入全球铷市场——削弱竞争对手，并将价格主导权转移到国内平台。在铷具有不可替代性的国防相关供应链中，这也将为北京增添更多筹码。

无声金属，响亮信号

察尔汗盐湖的成功，使铷不再仅仅是一种特种金属。它如今已成为衡量各国如何在材料科学、战略自主和技术韧性领域竞争的标杆。

随着铷走出默默无闻的状态，中国在化学工程领域的优势所改变的将不仅仅是市场——它可能改写产业实力的游戏规则。

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中国铷盐水提取技术突破，重塑全球关键矿产供应格局

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