Removing TOC from Cobalt Sulfate Nickel Sulfate Liquid

The ternary precursor refers to the hydroxide of nickel cobalt manganese, which is an important upstream material for the production of ternary cathode materials. After mixing with a lithium source, the ternary cathode product is sintered, and its performance directly determines the core physical and chemical properties of the ternary cathode material.

In the purification process of nickel cobalt manganese sulfate, extractants such as 260 # solvent oil, P204, and P507 are used. These organic extractants remain in the salt solution, which will seriously affect the synthesis of precursors. During the precipitation process, the morphology becomes loose, unable to form spheres, the particle size distribution becomes wider, and the tap density decreases. (Source: Instrument Information Network).

The TOC removal process of cobalt sulfate nickel sulfate liquid developed by Jiangsu Haipu Functional Materials Co., Ltd. is based on the self-developed resin product and combined with the characteristics of the liquid in the new energy industry, and has been specifically developed.

After multiple batches of experiments and verification, the Haipu cobalt sulfate nickel sulfate feed solution TOC removal process can reduce the residual P204, P507, sulfonated kerosene, and TOC in the cobalt sulfate nickel sulfate feed solution to below 20mg/L, ensuring stable synthesis of the precursor.

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