KAIMINA TECHNOLOGY(LIANCUI) Integrated of manufacturing R&D and sales of equipments on synthesis reaction, extraction, separation and purification and other analytical Instruments. Our products are mainly used in chemical industry, pharmaceutical, hydrometallurgy, food, new materials, new energy, environmental protection and other fields.
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50ml Multi-Stage Micro Mixer Settler for Rare Metal Separation

2026-05-15
Challenges in Rare Metal Separation Research

A research team from Tsinghua University was working on the separation and purification of rare metal elements.However, traditional extraction equipment created several challenges during laboratory-scale testing:

❌ Low mixing efficiency resulted in long extraction times
❌ Poor phase separation affected experimental accuracy
❌ Limited flexibility made process optimization difficult
❌ Conventional systems were unsuitable for micro-volume samples
❌ Industrial process simulation was difficult in laboratory environments

To overcome these limitations, the research team selected our 50ml 56-stage mini mixer settler system.

Our Solution
The 50ml multi-stage mixer settler was specifically designed for laboratory and pilot-scale solvent extraction applications.



Key system features include:
  • 50ml micro-volume processing capacity
  • 56-stage counter-current extraction design
  • Modular structure for flexible process configuration
  • Intelligent PLC control system
  • High-efficiency mixing and rapid phase separation
The system enables researchers to simulate industrial extraction processes while maintaining precise laboratory-scale control.

Key advantages

 High-Efficiency Mass Transfer
Using high-gravity mixing technology, the system generates strong centrifugal force to significantly reduce droplet size and increase mass transfer area.

Compared with traditional extraction equipment:
✅ Extraction efficiency increased by over 30%
✅ Extraction time reduced from several hours to less than 1.5 hours
✅ Rare earth extraction rate improved to over 95%
This greatly accelerated laboratory testing and process optimization.

Multi-Stage Counter-Current Separation
The 56-stage design enables high-purity separation of rare earth elements through continuous extraction and stripping operations.

In rare earth separation tests:
✅ Lanthanum extraction efficiency exceeded 98%
✅ Product purity reached 99.9%
✅ Impurity ions such as calcium and magnesium were effectively removed
The system provides reliable process data for future industrial scale-up.

Intelligent Automation Control

The PLC-based intelligent control system monitors:
✅ Rotation speed
✅ Flow rate
✅ Temperature
✅ Phase separation conditions
The system automatically adjusts operating parameters to maintain stable operation and reduce manual intervention.
Remote monitoring and data recording are also supported.

Flexible Modular Design

The modular structure allows users to:
✅ Adjust extraction stages
✅ Change extraction processes quickly
✅ Test different solvent systems
✅ Simulate various industrial conditions
This significantly shortens research and development cycles for laboratory projects.

Project Results

Using the 50ml 56-stage mixer settler system, the research team achieved:
✅  Rare earth extraction efficiency above 98%
✅  Product purity over 99.9%
✅  Significantly shorter experimental cycles
✅  Stable continuous operation
✅  Reliable scale-up data for industrial applications
The system successfully supported advanced rare metal separation research and process optimization.


Looking for a Laboratory Solvent Extraction Solution?

We provide:
  • Laboratory mixer settlers
  • Pilot-scale extraction systems
  • Multi-stage solvent extraction solutions
  • Customized extraction process design
Contact us for technical consultation and equipment selection.
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