广西上林万福矿区煤中锂、镓和稀土元素逐级提取实验研究Experimental Study of Coal Lithium, Gallium and REE Stepwise Extraction in Wanfu Mine Area, Shanglin, Guangxi
朱士飞,曹泊,吴国强,秦云虎,曹磊
摘要(Abstract):
广西上林万福矿区煤中锂、镓和稀土元素含量高于全国煤中锂、镓和稀土元素平均含量,具有潜在的经济价值和研究意义。采用逐级提取法研究广西上林万福矿区煤中锂、镓和稀土元素的赋存状态。结果表明,煤中锂、镓和稀土元素在硅酸盐结合态中比例最大,锂、镓和稀土元素主要赋存在硅酸盐黏土矿物中。与重稀土相比,轻稀土在碳酸盐结合态和离子交换态中的比例显著增加,表明重稀土元素更易于与有机质形成稳定化合物。
关键词(KeyWords): 逐级提取;赋存状态;锂;稀土元素;万福矿区
基金项目(Foundation): 中国煤炭地质总局科技专项(ZMKJ-2020-B-2;ZMKJ-2019-J12;ZMKJ-2020-J01-3)
作者(Author): 朱士飞,曹泊,吴国强,秦云虎,曹磊
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