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Synergistic extraction and separation of valuable metals from waste cathodic material of lithium ion batteries using Cyanex272 and PC-88A
Zhao, J. M.1; Shen, X. Y.2; Deng, F. L.1,3; Wang, F. C.1,3; Wu, Y.1,3; Liu, H. Z.1; Liu, HZ
2011-04-29
Source PublicationSEPARATION AND PURIFICATION TECHNOLOGY
ISSN1383-5866
Volume78Issue:3Pages:345-351
AbstractSynergistic extraction and separation of cobalt (II), manganese (II) and lithium (I) from simulated sulfuric acid leaching of waste cathodic materials, using mixture of bis(2,4,4-trimethylpentyl) phosphinic acid (Cyanex272, HA) and 2-ethylhexyl phosphinic acid mono-2-ethylhexyl ester (PC-88A, HL) in n-heptane have been investigated. Extraction of Co(2+), Mn(2+) and Li(+) follows the order as: Mn > Co >> Li independent on taking the single Cyanex272 or PC-88A or their mixtures as extractants. The possible extracted species are MA(2).3HA or M(OH)A.3HA for single extractant (PC-88A and Cyanex272 are same) and MH(3)A(2)L(3) for the mixed-extractant (M(2+) is Co(2+) or Mn(2+)). Cyanex272 + PC-88A shows an evident synergistic effect. The maximum synergistic enhancement coefficients, R(max), are obtained for Co(2+) (3.48) and Mn(2+) (4.12) at the mole fraction X(cyanex272) around 0.6 at pH(e) 4.95. Furthermore, the separation factors (Mn/Co) have been improved around two orders of magnitude upon adding EDTA into the synergistic extraction system. The entire stripping of Co and Mn can be achieved in one single stage when the concentration of hydrochloric acid or sulfuric acid is larger than 0.04 M or 0.01 M, respectively. Finally, a feasible process for recycling of spent cathodic materials of LIBs was proposed with industrial applications prospects. 2011 Elsevier B.V. All rights reserved.
KeywordWaste Cathodic Materials Valuable Metals Synergistic Extraction Cyanex272 Pc-88a
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.seppur.2010.12.024
Indexed BySCI
Language英语
WOS KeywordHYDROMETALLURGICAL PROCESS ; SOLVENT-EXTRACTION ; SODIUM-SALTS ; PC 88A ; COBALT ; MANGANESE ; RECOVERY ; SELECTIVITY ; CYANEX-272 ; D2EHPA
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000290699500013
Citation statistics
Cited Times:68[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/4884
Collection湿法冶金清洁生产技术国家工程实验室
Corresponding AuthorLiu, HZ
Affiliation1.Chinese Acad Sci, Key Lab Green Proc & Engn, Inst Proc Engn, Beijing 100190, Peoples R China
2.Fudan Univ, Dept Macromol Sci, Shanghai 200433, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhao, J. M.,Shen, X. Y.,Deng, F. L.,et al. Synergistic extraction and separation of valuable metals from waste cathodic material of lithium ion batteries using Cyanex272 and PC-88A[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2011,78(3):345-351.
APA Zhao, J. M..,Shen, X. Y..,Deng, F. L..,Wang, F. C..,Wu, Y..,...&Liu, HZ.(2011).Synergistic extraction and separation of valuable metals from waste cathodic material of lithium ion batteries using Cyanex272 and PC-88A.SEPARATION AND PURIFICATION TECHNOLOGY,78(3),345-351.
MLA Zhao, J. M.,et al."Synergistic extraction and separation of valuable metals from waste cathodic material of lithium ion batteries using Cyanex272 and PC-88A".SEPARATION AND PURIFICATION TECHNOLOGY 78.3(2011):345-351.
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