At a time when the global green transformation and resource recycling strategy are accelerating, the strategic value of platinum-based precious metals (including six elements such as ruthenium, rhodium, and palladium) is becoming increasingly prominent. These rare metals, known as "industrial vitamins", play a key role in new energy batteries, precision electronics, environmental catalysis and other fields, and their recycling and reuse technology has become an important indicator for measuring the level of national resource recycling.
As the world's largest consumer of platinum group metals, China faces the severe challenge of insufficient resource endowment - proven reserves account for only about 0.8% of the world's total. This situation forces us to break through the limitations of traditional recycling technology and build an efficient and green recycling system. In this context, an innovative separation process that combines physical enrichment and chemical purification has emerged, providing a new solution to solve the resource dilemma.
The CWL-M series centrifugal extractor launched by Zhengzhou Tiei Extraction is developed to address the shortcomings of traditional centrifugal extractor. The power consumption is only 10% to 30% of that of traditional annular gap extractor. At the same time, the centrifugal extractor has short stage retention time, rapid phase separation, high extraction efficiency, and save investment costs and solvent recovery and regeneration costs.
Process innovation: multi-technology coordinated purification system
Modern precious metal regeneration technology has developed a complete process chain of "low-temperature enrichment-electrolytic refining-dynamic separation". The system first selectively captures precious metal components under mild conditions through special alloys, and then achieves primary purification through a precisely controlled electrolytic process.
Technological Breakthrough
- Mass transfer kinetics optimization: The multi-stage stirring system designed by fluid mechanics simulation improves the interphase contact efficiency.
- Intelligent separation control: A real-time phase interface monitoring system based on machine vision ensures stable separation accuracy.
- Modular equipment: Flexible combination of processing units to meet different scale requirements and improve equipment utilization.
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