U40 Ultra High Pressure Energy Capture Device

The Technology: PX U40 Pressure Exchanger

The PX U40 is an isobaric energy recovery device (ERD) specifically engineered for Ultra-High Pressure Reverse Osmosis (UHPRO). It is a critical solution for industrial wastewater management, particularly in achieving Zero Liquid Discharge (ZLD) and Minimal Liquid Discharge (MLD).

• Function: It captures high-pressure hydraulic energy from the waste "reject" stream and transfers it directly to low-pressure feed water with up to 97% peak efficiency.
• Operating Range: Designed to handle extreme pressures up to 120 bar (1,740 psi).
• Sustainability: By recycling energy that would otherwise be wasted, the device reduces the energy consumption of wastewater treatment systems by up to 60%.

Model Features

The KiwiMill model serves as a high-fidelity visual tool to demonstrate the device's "simple yet elegant" design:

• Internal Detail: The model showcases the core ceramic rotor—the device's only moving part. In the real world, this is made of high-purity alumina ceramic to resist corrosion and 3D-abrasion.
• Full-Scale Realism: At 28 inches wide, the model provides a tangible sense of the device’s compact and modular footprint, which allows for easy scaling in large-scale wastewater plants.
• Educational Utility: The cutaway and exploded views (visible in the gallery) illustrate how the hydrodynamic bearing allows the rotor to spin without external lubrication, a key factor in its 30-year design life.

Applications

This device is a game-changer for energy-intensive industries, including:

• Brine Mining & Lithium Processing
• Textile Manufacturing
• Industrial Water Reuse
• Desalination