钕铁硼废料中的铁回收利用现状  

Current Situation of Iron Recovery and Utilization in NdFeB Waste

作　　者：牟保畏[1] 张晓东 王丽[1] 张高峰 MU Bao-wei;ZHANG Xiao-dong;WANG Li;ZHANG Gao-feng(Department of Chemistry,Baotou Teachers'College,Baotou 014030,China;Smelting Branch(Huamei Company)of China Northern Rare Earth(Group)High-Tech Co.,Ltd.,Baotou 014010,China)

机构地区：[1]包头师范学院化学学院,内蒙古包头014030 [2]中国北方稀土(集团)高科技股份有限公司冶炼分公司(华美公司),内蒙古包头014010

出　　处：《稀土》2024年第3期143-152,I0006,共11页Chinese Rare Earths

基　　金：内蒙古自治区自然科学基金项目(2019MS02031);包头师范学院科研项目(BSYKJ2023-ZY05)。

摘　　要：首先对钕铁硼废料中稀土回收的各种湿法工艺进行了简要介绍,然后着重对钕铁硼废料中铁资源回收利用的相关工艺如稀土与铁的共回收、回收稀土后的含铁废水或废渣的处理、钕铁硼废料的直接回用和再生等的研究状况进行了综述,比较了各种工艺的优缺点,并就钕铁硼废料中的稀土和铁资源回收利用的研究提出了建议,可为实现钕铁硼废料的更高效综合利用、减少二次污染提供借鉴。Firstly,various wet processes for the recovery of rare earth in Nd-Fe-B waste are briefly introduced.Then it focuses on the research status of the relevant processes of iron resource recovery and utilization in Nd-Fe-B waste,such as co-recovery of rare earth and iron,treatment of iron-containing wastewater or waste slag after recycling rare earth,direct reuse and regeneration of Nd-Fe-B waste are reviewed.This paper compares the advantages and disadvantages of various processes,and puts forward some suggestions on the recycling of rare earth and iron resources in Nd-Fe-B waste,which can provide reference for realizing more efficient comprehensive utilization of Nd-Fe-B waste and reducing secondary pollution.

关 键 词：钕铁硼废料 铁 回收 稀土 综合利用 

分 类 号：TF845[冶金工程—有色金属冶金] X758[环境科学与工程—环境工程]