Lindian Resources Limited（ASX：LIN）今日宣布，其位于马拉维的Kangankunde稀土项目在下游冶金测试中取得突破性进展。测试由澳大利亚核科学与技术组织（ANSTO）执行，确认项目独居石精矿可高效转化为高品位混合稀土碳酸盐（MREC），关键稀土元素Nd+Pr(钕和镨，用于永磁材料)回收率高达97%，凸显项目商业潜力。
测试结果显示，Kangankunde独居石精矿品位达55.9wt% TREO(总稀土氧化物)，包含46.5wt% TREY(总稀土元素)，其中Nd+Pr占比20%。通过标准硫酸焙烧和水浸工艺，TREY提取率介于91-94%，Nd+Pr提取率达93-97%，且浸出动力学优异，90%以上稀土元素在一小时内溶解。最终MREC产品品位达54.0wt% TREO，Nd+Pr含量10.7wt%，铀和钍放射性水平低于检测限，被归类为非放射性物质，显著降低运输和合规成本。整体工艺从精矿到MREC的TREO回收率92%，Nd+Pr回收率97%，表明项目能捕获几乎全部磁体稀土价值。
Lindian执行董事Zac Komur表示，这些结果证实Kangankunde精矿是优质原料，其低辐射特性简化了下游处理流程，减少运营成本和环境影响。公司下一步将优化酸消耗并测试碱转化路线，以支持承购谈判。ANSTO测试强调工艺简单可扩展，使用标准试剂和设备，降低了技术风险。项目成本优势明显，初始酸消耗为每吨精矿1.2-1.4吨硫酸，优化后有望进一步削减。
Lindian Resources（ASX：LIN）是一家澳大利亚矿业公司，专注于稀土和铝土矿资产开发，核心项目Kangankunde位于马拉维。该项目已获所有关键许可，并与Iluka Resources建立战略伙伴关系，融资$9150万澳元用于建设，旨在成为全球低成本稀土生产商。
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