Method for preparing battery-grade high-purity manganese sulfate from manganese metal anode slime

Method for preparing battery-grade high-purity manganese sulfate from manganese metal anode slime

The invention discloses a method for preparing battery-grade high-purity manganese sulfate from manganese metal anode slime, which comprises the following steps: sequentially adding water, a carbonate solution, an acid solution and water into electrolytic manganese metal anode slime, cleaning to obt...

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Hauptverfasser: HUANG LONG, CHEN FAMING, BI WEINING, HE SUJIE, YANG YONG, LU GUOXIAN, ZENG YINGCHENG, CHEN YUANGUANG, YAN CHAO, WEI HANKE
Format: Patent
Sprache:chi ; eng
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CHEMISTRY
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
INORGANIC CHEMISTRY
METALLURGY
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creator HUANG LONG
CHEN FAMING
BI WEINING
HE SUJIE
YANG YONG
LU GUOXIAN
ZENG YINGCHENG
CHEN YUANGUANG
YAN CHAO
WEI HANKE
description The invention discloses a method for preparing battery-grade high-purity manganese sulfate from manganese metal anode slime, which comprises the following steps: sequentially adding water, a carbonate solution, an acid solution and water into electrolytic manganese metal anode slime, cleaning to obtain anode slime with low calcium-magnesium content and low acid content, adding water and sulfuric acid into the anode slime with low calcium-magnesium content and low acid content, and adding a reducing agent, and after the reaction is finished, neutralizing and crystallizing to obtain a crystallized product, namely the battery-grade high-purity manganese sulfate. According to the method, ammonium sulfate, calcium, magnesium and other impurities in the anode mud can be removed, then Mn2+ is reduced and leached from the anode mud product, and high-purity manganese sulfate is prepared. 本发明公开了一种利用金属锰阳极泥制备电池级高纯硫酸锰的方法，包括以下步骤：电解金属锰阳极泥依次加入水、碳酸盐溶液、酸溶液、水清洗，获得低钙镁、低酸含量的阳极泥，将低钙镁、低酸含量的阳极泥加入水、硫酸，再加入还原剂，反应完成后，中和，结晶，结晶后的产品即为电池级高纯
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According to the method, ammonium sulfate, calcium, magnesium and other impurities in the anode mud can be removed, then Mn2+ is reduced and leached from the anode mud product, and high-purity manganese sulfate is prepared. 本发明公开了一种利用金属锰阳极泥制备电池级高纯硫酸锰的方法，包括以下步骤：电解金属锰阳极泥依次加入水、碳酸盐溶液、酸溶液、水清洗，获得低钙镁、低酸含量的阳极泥，将低钙镁、低酸含量的阳极泥加入水、硫酸，再加入还原剂，反应完成后，中和，结晶，结晶后的产品即为电池级高纯</abstract><oa>free_for_read</oa></addata></record>
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COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
INORGANIC CHEMISTRY
METALLURGY
title Method for preparing battery-grade high-purity manganese sulfate from manganese metal anode slime
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