In chemical production, washing extraction is a key step that directly affects product purity, operational efficiency, and cost control. Traditional reactors, though widely used, suffer from several limitations—batch operation, low separation efficiency, large footprint, and high solvent consumption—now becoming bottlenecks for quality and productivity improvement. Today, the CWL-M series centrifugal extractor, with its continuous, efficient, and safe performance, is emerging as the ideal choice for upgrading modern chemical processes.

Why Replace Traditional Reactors?

Traditional reactors extraction equipment relies on gravity settling for phase separation and has several inherent limitations:

  • Low separation efficiency: Gravity-based settling is slow and prone to forming emulsified layers, reducing yield and purity.
  • Non-continuous operation: Batch processing lowers productivity and requires frequent manual intervention.
  • Large footprint: Multi-stage extraction requires multiple tanks in series, resulting in poor space utilization.
  • High solvent consumption: Large holdup volumes and slow phase displacement increase solvent usage and recovery load.
  • Safety and environmental concerns: Open or semi-open operation risks VOC emissions and increases compliance pressure.

CWL-M Centrifugal Extractor: Core Advantages of Technological Innovation

The CWL-M series centrifugal extractor replaces the traditional gravity field with a high-speed centrifugal force field, enabling rapid mixing and thorough separation of two immiscible liquids. Its technical strengths are remarkable:

1.High Mass Transfer Efficiency & Rapid Separation
Centrifugal force provides a separation factor thousands of times greater than gravity, reducing phase separation time from hours to seconds.
The optimized mixing structure ensures thorough contact between phases, boosting extraction efficiency by 30%–50%.

2.Continuous and Automated Operation
Fully enclosed continuous feeding and discharge seamlessly integrate with upstream and downstream processes, enabling true continuous production.
Automated control allows precise adjustment of process parameters, reduces human error, and significantly enhances operationalstability.

3.Compact Design, Space Saving
Modular construction allows a single unit to achieve multi-stage countercurrent extraction, occupying only 1/3 to 1/5 of the footprint of traditional reactors.
Easily integrated into existing production lines, with short retrofit cycles and fast return on investment.

4.Green, Safe, and Cost-Efficient
Enclosed operation significantly reduces solvent evaporation, improves workplace conditions, and minimizes safety risks.
Low holdup volume and fast phase displacement reduce solvent consumption by 20%–40%, while simultaneously cutting wastewater generation.
Highly reliable for handling flammable, explosive, toxic, or hazardous materials.

5.Strong Adaptability & Broad Application
Capable of processing systems with small density differences and strong emulsification tendencies that are difficult to separate using traditional methods.
Successfully applied in fine chemicals, pharmaceuticals, hydrometallurgy, and environmental wastewater treatment, among other industries.

    Successful Application Case

    A pharmaceutical company initially used traditional reactors for washing operations, with each batch requiring 30–60 minutes for phase separation. The low efficiency severely limited production capacity. After upgrading to the CWL-M series centrifugal extractor from Zhengzhou Tiei Extraction, the plant achieved a breakthrough in productivity. Leveraging centrifugal force, the centrifugal extractor enables rapid mixing and instantaneous separation of two liquid phases, significantly improving mass-transfer efficiency while perfectly supporting continuous and large-scale production requirements.

    An increasing number of companies are enhancing both production efficiency and product quality by adopting Tiei Extraction’s CWL-M centrifugal extractors. For more information about our centrifugal extractor, please feel free to contact Tiei Extraction.
    Email: sales@tieiextraction.com
    Whatsapp: +86 19069612820