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Case Study

Mining operators often lose up to 10–20% of valuable minerals during flotation. Conventional systems max out at around 90% recovery, leaving significant value behind. Eriez Manufacturing Australia partnered with Robuschi to close this gap. Their goal: develop a high-efficiency flotation system capable of recovering minerals that traditional setups miss.

The challenge was finding a blower that could deliver over 1 bar of pressure—far beyond the 35–75 kPa range of standard units. Robuschi’s ROBOX WS 45/2P-2F-HP rotary screw blower met the demand, offering oil-free operation, high pressure, and low power consumption.

Get the full technical breakdown, performance data, and project insights by downloading the case study.
Robox Screw Boosts Ore Flotation Recovery Case Study

How Robuschi Delivered

  • Custom Engineering: Robuschi collaborated with Eriez to design a blower package tailored to extreme site conditions, including ambient temperatures up to 50°C.
  • High Pressure, Low Energy: The ROBOX screw blower delivers up to 2.5 bar G with minimal energy use, thanks to its low-speed rotor profile.
  • Durability: Internal coatings resist oxidation, and the system’s robust build reduces maintenance frequency and cost.
  • Fast Deployment: Robuschi met tight deadlines and budget constraints, delivering a fully customized solution with specialty coatings and integrated electronics.

Results & Expansion

The pilot system has run continuously since commissioning, meeting all performance and reliability targets. Eriez is now collecting final recovery data to support broader deployment across multiple sites.

FAQs

Its oil-free screw technology delivers high pressure (up to 2.5 bar G) with low energy consumption and zero discharge contamination—ideal for mineral separation processes.