In the context of the rapid development of the global new energy industry, lithium resources are known as "white oil". As a by-product of lithium ore and salt lake lithium extraction process, lithium precipitation mother liquor has a residual lithium content of more than 2g/L. However, due to the complex salt system of high sodium and low lithium, traditional recovery technology has high cost and low efficiency. If these lithium resources can be effectively recovered, it can not only improve resource utilization, but also reduce production costs and reduce environmental pollution. However, the composition of lithium precipitation mother liquor is complex, and traditional extraction methods have many limitations. Centrifugal extractor has become a "secret weapon" for extracting lithium from lithium precipitation mother liquor with its high efficiency and environmental protection.

Centrifugal Extractor Extracts Lithium Precipitation Mother Liquor

Lithium precipitation mother liquor is the residual liquid after lithium salt production, containing lithium, sodium, potassium and other multi-electrons. The traditional evaporation method has high energy consumption and is difficult to separate. The centrifugal extractor uses multi-stage countercurrent extraction technology to quickly mix and layer the lithium-containing mother liquor and the extractant in a centrifugal field. Extraction-washing-stripping is integrated. Through the multi-stage centrifugal extraction system, lithium ions are selectively extracted into the organic phase, and then converted into a high-purity lithium solution through the stripping process, with a recovery rate of more than 90%.

Centrifugal Extractor Application Scenarios

1.Treatment of tail water from lithium extraction from salt lake: The lithium precipitation mother liquor after lithium extraction from salt lake contains low lithium content and many impurities. Centrifugal extracor can replace traditional evaporation and concentration through a short process, reducing energy consumption by more than 50%.

2.Lithium extraction from lithium battery recycling wastewater: The lithium-containing wastewater generated during the lithium battery recycling process can be quickly separated from manganese, cobalt, nickel and lithium after being treated by the centrifugal extractor. Experimental data show that the centrifugal extraction efficiency is 6 times higher than that of traditional mixer settler, and the balance time is shortened by 80%.

3.Purification of lithium ore leachate: For low-grade lithium ore leachate, the centrifugal extractor can directly extract lithium in a high-sodium, high-magnesium environment, avoiding the cumbersome process of repeated precipitation, and the lithium purity reaches battery-grade standards.

4.Nuclear-grade lithium isotope separation: Through the centrifugal extractor combined with a multi-stage countercurrent extraction process, efficient separation of 6Li and 7Li is achieved, promoting the upgrading of nuclear fusion material preparation technology.

The application of centrifugal extractor in the extraction of lithium from lithium precipitation mother liquor not only improves the recovery rate of lithium, reduces production costs and environmental pollution, but also provides strong support for the sustainable development of the new energy industry. With the rapid development of the new energy industry, the demand for lithium resources will continue to grow. With its high efficiency, environmental protection and automation, centrifugal extractors will play a more important role in the field of lithium resource recovery and reuse.
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