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Location:Home > Zero discharge of wastewater > Zero discharge of ternary cathode washing wastewater
Application background

The production wastewater of ternary cathode factory is usually divided into washing water, workshop mop water, bathing water, laboratory testing wastewater, water curtain dust removal wastewater and other wastewater, in which the washing water volume is large, the lithium content is high and the heavy metal content is high; However, the content of heavy metals and COD in workshop mop water, bath water and laboratory test wastewater is high, and the benefit of recovering lithium is low. Therefore, we propose zero discharge of washing water.

Technological Process

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Technical Advantages

1 The recovery of lithium salt has high efficiency, and the investment payback period is 6-10 months;

2 The operation cost is low (15-30 yuan / ton of water), and the produced water can meet the standard of pure water reuse;

3 The quality of lithium salt is good, the purity of lithium can reach 80-85%, and the recovery grade is high;

4 Compared with full evaporation, the investment gap is small and the operation cost is 30% lower.

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