详细信息
硫磺还原焙烧—酸浸法提取锰阳极泥 被引量:5
Recovery of Manganese Anode Slimes by Sulfur Reduction Roasting-Acid Leaching Process
文献类型:期刊文献
中文题名:硫磺还原焙烧—酸浸法提取锰阳极泥
英文题名:Recovery of Manganese Anode Slimes by Sulfur Reduction Roasting-Acid Leaching Process
作者:黎应芬 李祥 叶华 孔祥忠
第一作者:黎应芬
机构:[1]贵州理工学院材料与冶金工程学院;[2]中南大学化学与化工学院
第一机构:贵州理工学院材料与冶金工程学院
年份:2017
卷号:0
期号:8
起止页码:13-15
中文期刊名:有色金属:冶炼部分
收录:CSTPCD;;北大核心:【北大核心2014】;
基金:贵州省科学技术基金项目(黔科合J字[2014]2077号)
语种:中文
中文关键词:锰阳极泥;硫磺;硫酸;焙烧
外文关键词:manganese anode slime;;sulfur;;sulfuric acid;;roast
摘要:以硫磺为还原剂,硫酸溶液为浸出剂,通过火法—湿法耦合的方法提取电解锰阳极泥中的锰和尾渣富集铅。对硫磺用量、焙烧温度、焙烧时间、浸出温度、硫酸用量等工艺参数进行了探究。结果表明,当硫磺和锰阳极泥的质量比为1.0、焙烧温度300℃、焙烧时间60min、硫酸和锰的摩尔比0.9、浸出温度25℃、浸出反应20min时,锰的浸出率为98%,尾渣含铅量30.5%。
Manganese and lead were recovered from manganese anode slimes via reduction roasting-acid leaching process with sulfur as reductant and H_2SO_4 as leaching agent.The effects of sulfur dosage,roasting temperature,roasting time,leaching time,and H_2SO_4 dosage on manganese extraction and lead enrichment were investigated.The results show that manganese extraction rate is 98%and lead content in slag is 30.5% under the optimum conditions including mass rate of sulfur to manganese anode slimes of1.0,roasting temperature of 300 ℃,roasting time of 60 min,molar rate of H_2SO_4 to manganese of 0.9,leaching temperature of 25 ℃,and leaching time of 20 min.
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