氢氧化钠法分离回收镍钴渣中锌钴试验研究Separation and Recovery of Zinc and Cobalt From Nickel-cobalt Slag Using Sodium Hydroxide
刘鹏飞;汤建伟;王保明;刘咏;化全县;张亦飞;
摘要(Abstract)：
研究了用氢氧化钠从湿法炼锌镍钴渣中回收锌、钴。基于单因素试验，揭示了锌、钴浸出行为，考察了反应时间、温度、氢氧化钠质量浓度和液固质量比对锌、钴浸出率的影响。结果表明：用氢氧化钠浸出，在温度70℃、液固质量比10/1条件下，用质量浓度398 g/L的氢氧化钠溶液浸出镍钴渣0.5 h,锌、钴浸出率分别为93.5%和5.11%;浸出渣中锌、钴质量分数分别为4.80%和32.70%,锌、钴得到有效分离。
关键词(KeyWords)： 镍钴渣;氢氧化钠;锌;钴;分离
基金项目(Foundation): 国家自然科学基金资助项目(21276258)
作者(Authors): 刘鹏飞;汤建伟;王保明;刘咏;化全县;张亦飞;
DOI: 10.13355/j.cnki.sfyj.2022.05.007
参考文献(References)：
- [1]KARLSSON T,CAO Y,COLOMBUS Y,et al.Investigation of the kinetics and the morphology of cementation products formed during purification of a synthetic zinc sulfate electrolyte[J].Hydrometallurgy,2018,181:169-179.
- [2]李霞.高钴渣综合利用工艺研究[J].云南冶金,2006,35(2):42-45.
- [3]STANOJEVIC D,NIKOLIC B,TODOROVIC M.Evaluation of cobalt from cobaltic waste products from the production of electrolytic zinc and cadmium[J].Hydrometallurgy,2000,54(2/3):151-160.
- [4]刘庆杰.过硫酸钠氧化法从湿法炼锌净化钴渣中富集钴[J].中国有色冶金,2013,42(2):58-60.
- [5]陈海清,刘亚雄.从钴渣中综合回收有价金属的研究[J].湖南有色金属,2006,22(4):19-22.
- [6]熊甲成,李存兄,张利波,等.锌冶炼钴渣梯级分离与钴富集行为[J].中国有色金属学报,2021.DOI:10.11817/j.ysxb.1004.0609.2021-42470.
- [7]MORADKHANI D,SEDAGHAT B,KHODAKARAMI M,et al.Recovery of valuable metals from zinc plant residue through separation between manganese and cobalt with n-n reagent[J].Physicochemical Problems of Mineral Processing,2014,50(2):735-746.
- [8]朱佳俊,魏文亮,吴名扬,等.从聚晶金刚石复合片(PDC)外圆加工废料中浸出钴[J].湿法冶金,2021,40(5):373-376.
- [9]BANZA A N,GOCK E,KONGOLO K.Base metals recovery from copper smelter slag by oxidising leaching and solvent extraction[J].Hydrometallurgy,2002,67(1):63-69.
- [10]杨斌,宋永发,魏世忠,等.用Cyanex272从高纯硫酸镍溶液中萃取分离痕量钴试验研究[J].湿法冶金,2021,40(1):62-67.
- [11]张建军,陈为亮,李照刚.从钴渣中回收钴的研究进展[J].矿产综合利用,2017(4):11-15.
- [12]刘庆杰.湿法炼锌净化钴渣中富集钴的工艺研究[J].资源再生,2011(10):56-58.
- [13]王开毅,蔡春林,钱东,等.钴渣氨浸工艺的研究[J].稀有金属,2001,25(4):312-314.