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Wet-metallurgy uses PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC filtration to separate graphite and iron impurities
Time: 2024-11-16

Remove iron from lithium iron phosphate

The principle of hydrometallurgy is based on the metal in the waste lithium ion battery can be dissolved in acid, alkaline solution or other solvents, the metal is transferred to the solution, and then by PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC filtration separation or centrifugal separation to separate graphite from other metal substances. During the iron removal process, the iron impurities dissolve into the solution, while the cathode material remains in the solid part or is separated from the iron by subsequent treatment.


PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC

PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC Has the advantages of low energy consumption, easy operation, high recovery rate and low environmental risk. It can recycle graphite with high quality and also recycle valuable metals at high yield. However, due to the existence of LiF and other insoluble lithium salts, the process will consume a large number of strong acids (such as sulfuric acid, hydrochloric acid) and produce more toxic hydrofluoric acid.


what is magnetic separation used for?

In addition, there are some problems such as electrolyte and binder residue, and if the acid is not treated properly, it is easy to cause secondary pollution. For the lithium ion battery cathode material graphite (a non-polar, hydrophobic material), if iron impurities show different wettability, iron impurities can be removed from graphite using PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC.

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