CAS OpenIR  > 湿法冶金清洁生产技术国家工程实验室
Spent lithium-ion battery recycling - Reductive ammonia leaching of metals from cathode scrap by sodium sulphite
Zheng, Xiaohong1; Gao, Wenfang1,2; Zhang, Xihua3; He, Mingming1; Lin, Xiao1; Cao, Hongbin1,2; Zhang, Yi1,2; Sun, Zhi1
2017-02-01
Source PublicationWASTE MANAGEMENT
ISSN0956-053X
Volume60Pages:680-688
Abstract

Recycling of spent lithium-ion batteries has attracted wide attention because of their high content of valuable and hazardous metals. One of the difficulties for effective metal recovery is the separation of different metals from the solution after leaching. In this research, a full hydrometallurgical process is developed to selectively recover valuable metals (Ni, Co and Li) from cathode scrap of spent lithium ion batteries. By introducing ammonia-ammonium sulphate as the leaching solution and sodium sulphite as the reductant, the total selectivity of Ni, Co and Li in the first-step leaching solution is more than 98.6% while it for Mn is only 1.36%. In detail understanding of the selective leaching process is carried out by investigating the effects of parameters such as leaching reagent composition, leaching time (0480 min), agitation speed (200-700 rpm), pulp density (10-50 g/L) and temperature (323-353 K). It was found that Mn is primarily reduced from Mn4+ into Mn2+ into the solution as Mn(NH3)(x)(2+) while it subsequently precipitates out into the residue in the form of (NH4)(2)Mn(SO3)(2)center dot H2O. Ni, Co and Li are leached and remain in the solution either as metallic ion or amine complexes. The optimised leaching conditions can be further obtained and the leaching kinetics is found to be chemical reaction control under current leaching conditions. As a result, this research is potentially beneficial for further optimisation of the spent lithium ion battery recycling process after incorporating with metal extraction from the leaching solution. (C) 2016 Elsevier Ltd. All rights reserved.

KeywordSpent Libs Cathode Scrap Recovery Selective Leaching Kinetics
SubtypeArticle
WOS HeadingsScience & Technology ; Technology ; Life Sciences & Biomedicine
DOI10.1016/j.wasman.2016.12.007
Indexed BySCI
Language英语
WOS KeywordLife Electronic Products ; Valuable Metals ; Complex-mixtures ; Cobalt Products ; Sulfuric-acid ; Recovery ; Waste ; Nickel ; End ; Lini1/3co1/3mn1/3o2
WOS Research AreaEngineering ; Environmental Sciences & Ecology
WOS SubjectEngineering, Environmental ; Environmental Sciences
WOS IDWOS:000397357100070
Citation statistics
Cited Times:53[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/22065
Collection湿法冶金清洁生产技术国家工程实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Div Environm Technol & Engn, Beijing 100190, Peoples R China
2.Tianjin Univ, Sch Chem Engn & Technol, Natl Engn Res Ctr Distillat Technol, Tianjin 300072, Peoples R China
3.Minist Environm Protect China, Solid Waste & Chem Management Ctr, Beijing 100029, Peoples R China
Recommended Citation
GB/T 7714
Zheng, Xiaohong,Gao, Wenfang,Zhang, Xihua,et al. Spent lithium-ion battery recycling - Reductive ammonia leaching of metals from cathode scrap by sodium sulphite[J]. WASTE MANAGEMENT,2017,60:680-688.
APA Zheng, Xiaohong.,Gao, Wenfang.,Zhang, Xihua.,He, Mingming.,Lin, Xiao.,...&Sun, Zhi.(2017).Spent lithium-ion battery recycling - Reductive ammonia leaching of metals from cathode scrap by sodium sulphite.WASTE MANAGEMENT,60,680-688.
MLA Zheng, Xiaohong,et al."Spent lithium-ion battery recycling - Reductive ammonia leaching of metals from cathode scrap by sodium sulphite".WASTE MANAGEMENT 60(2017):680-688.
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