废旧锌锰电池中锰和锌在硫酸/草酸溶液中的浸出行为Leaching Manganese and Zinc in Waste Zn-Mn Batteries Using Sulfuric Acid/Oxalic Acid
罗龙海;闫艳梅;袁建伟;凌峰;
摘要(Abstract):
研究了用硫酸、草酸溶液从废旧锌锰电池材料中浸出锌、锰,考察了浸出时间、草酸浓度、搅拌速度、硫酸浓度和反应温度对锌、锰浸出率的影响。结果表明:硫酸溶液中加入草酸,可有效浸出锌锰电池材料中的锌和锰;在固液质量体积比1/20、硫酸浓度0.5 mol/L、草酸浓度0.25 mol/L、搅拌速度250 r/min、50℃条件下浸出120 min,锌、锰浸出率分别达98.81%和94.91%,浸出效果较好。
关键词(KeyWords): 锌锰电池;硫酸;草酸;锰;锌;浸出
基金项目(Foundation):
作者(Authors): 罗龙海;闫艳梅;袁建伟;凌峰;
DOI: 10.13355/j.cnki.sfyj.2019.06.009
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