Efficient Recovery and Utilization of Electrolytic Manganese Anode Mud- Preparation of High-Performance Li1.2ni0.2mn0.6o2 Cathode Material for Lithium-Ion Batteries

Zou, Qiuling; Xiang, Yanhong; Zeng, Hanzhang; Chen, Sihan; Li, Ling; Cao, Shiyu; Li, Jian; Xiong, Ling; Wu, Xianwen; Wang, Lei

doi:10.2139/ssrn.4352081

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“…High-value products can be produced using Mn and Pb with a relatively high content in EMAS. EMAS can be treated to obtain MnCO 3 , 49 MnSO 4 , 48,59,77 MnO 2 , 15,60,61 LiMn 2 O 4 , 62,71 and other chemical raw materials. Additionally, the overall utilization of EMAS can be employed to prepare catalysts, 63,64 adsorbents, 27 and other products.…”

Section: Production Of High-value Products From Emasmentioning

confidence: 99%

Recovery and Utilization of Electrolytic Manganese Anode Slime for the High-Value Industrialized Products─A Review

Zhang

Shu

Chen

et al. 2023

Ind. Eng. Chem. Res.

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The high-value recovery and utilization of electrolytic manganese anode slime (EMAS) have emerged as a pressing concern in the global electrolytic manganese industry. EMAS, a black-brown byproduct generated during the electrolytic process of manganese metal, contains over 40% Mn as well as heavy metals, such as Pb and Se. This Review delves into the status of research pertaining to the properties of EMAS as a resource, waste reduction strategies, and resource utilization both at home and abroad. The resource reduction technology of EMAS focuses primarily on modifying titanium-coated electrolytic manganese anode plates, adding additives, regulating electric currents, and developing advanced electrolytic equipment. The resource utilization technology, on the other hand, centers around the recovery and separation of Mn, Pb, and Se to generate MnO 2 , LiMn 2 O 4 , highpurity MnSO 4 , adsorbent, catalyst, and oxidant products. Furthermore, this Review points out the existing issues and future development prospects of EMAS. The research results of this Review will provide technical support for global EMAS comprehensive resource utilization and manganese pollution treatment in electrolytic manganese enterprises.Review pubs.acs.org/IECR

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