Double Zigzag Air Classifier System for MRF Glass Separation

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Client: UK-Based Waste Management Company

Sector: Waste & Recycling

Solution: Double ZAC800 Zigzag Air Classifier System

Focus: Separation of Glass from MRF Mixed Stream

 

The Challenge

A UK-based waste management company needed a robust solution to separate glass from a mixed recycling facility (MRF) glass stream. The material presented unique challenges:

  • Material Description: MRF glass stream
  • Particle Size Range: 0–10 mm and 10–50 mm
  • Requested Throughput: 15 tonnes per hour
  • Mixed Bulk Density: Approximately 750 kg/m³
  • Heavy Material: Glass
  • Light Material: Paper, fibre, plastic film

 

The company required a reliable system capable of handling varying particle sizes and densities at high throughput while ensuring effective separation of glass from lighter contaminants.

 

The Solution

Impact Air Systems designed and installed a double ZAC800 Zigzag Air Classifier system, tailored specifically to meet the throughput and material characteristics of the client’s MRF glass stream.

System Highlights:

  • Double ZAC800 unit optimised for 15 tph throughput
  • Designed to handle a bulk density of 750 kg/m³
  • Equipped to separate glass particles from lighter materials such as paper, fibre, and plastic film
  • Adjustable airflow settings to accommodate the mixed particle size range (0–50 mm)
  • Compact footprint suitable for integration into existing plant infrastructure

 

How It Works

The mixed MRF glass stream is fed into the 2x ZAC800 to process two different material fraction sizes.

The zigzag classifier’s air stream separates heavier glass particles from lighter materials.

Glass (heavy fraction) is directed downward for collection and recycling.

Lighter materials such as paper, fibre, and plastic film are lifted and diverted for further processing or disposal.

 

The Results

The installation of the double ZAC800 delivered significant benefits:

  • Efficient separation of glass from two material streams
  • Consistent processing of up to 15 tonnes per hour
  • Enhanced quality of recovered glass, improving its value and recycling potential
  • Reduced contamination in the glass fraction, minimizing downstream processing issues
  • Seamless integration with minimal disruption to existing operations

 

Environmental Impact

By improving glass recovery from MRF streams, the system supports sustainable recycling efforts, reduces landfill dependency, and promotes circular resource use.

 

Conclusion

With the ZAC800 Zigzag Air Classifier System, this waste management client achieved:

High-efficiency separation of glass from mixed MRF streams

Reliable throughput and operational consistency

Enhanced material quality for recycling markets

This case underscores Impact Air Systems’ commitment to delivering tailored, high-performance air classification solutions for the waste and recycling industry.

 

Looking to optimise your material separation?

Contact Impact Air Systems for expert guidance and bespoke solutions.

Contact our Technical Sales Team

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