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从锂锰氧化物中分离回收锂和锰

Separation and Recovery of Lithium and Manganese from LiMn2O4
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摘要 研究了在浓硫酸存在下用碳还原分解LiMn2O4,再通过浓缩结晶与碳酸盐沉淀相结合的方法从锂锰氧化物中分离回收锂、锰.并对锂锰氧化物试样的分解条件,浓缩结晶条件、沉淀剂的选择以及锂的回收进行了讨论.结果表明,LiMn2O4的最佳分解条件为碳粉及浓硫酸的质量配比为1.0:0.2:1.4,焙烧温度为450℃;浓缩结晶温度为80℃以上;沉淀分离锰时以NaHCO3为沉淀剂较为合适.
出处 《化学与生物工程》 CAS 2003年第z1期131-132,143,共3页 Chemistry & Bioengineering
基金 由国家自然科学基金(59972027)和湖北省自然科学基金(2002AB074)资助
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