摘要
采用硫酸化焙烧浸出工艺从低酸富钴渣中浸出钴。经XRD测试原料中难以浸出的钴为Co3O4。当焙烧温度为350℃、酸料质量比为0.8、反应时间为1h,浸出反应完全,钴的浸出率达99.86%。
Cobalt was recovered from the low acidic leaching residue of spent lion batteries by sulfating roastingleaching process. X-ray diffraction shows that Co3O4 is the main phase of raw materials that is difficult to leach.The results show that nearly 99.86% of cobalt is leached out under optimal conditions,the roasting temperature is 350 ℃,H2SO4 and raw material mass ratio is 0.8,and roasting time is 1 h.
作者
周荣超
鲁俊雀
叶民杰
王榆彬
王杜
ZHOU Rong-chao;LU Jun-que;YE Min-jie;WANG Yu-bin;WANG Du(Hu’nan Brunp Recycling Technology Co.,Ltd.,Changsha 412600,China)
出处
《粉末冶金工业》
CAS
北大核心
2020年第2期90-92,共3页
Powder Metallurgy Industry
关键词
废旧锂离子电池
回收钴
焙烧
浸出
正极材料
spent li-ion battery
recovery of cobalt
roasting
leaching
ternary cathode material
