Energy recovery device

May 17, 2022
Energy Recovery’s Ultra PX drastically reduces the overall energy consumption and emissions associated with using Ultra High-Pressure Reverse Osmosis (UHPRO) in industrial wastewater treatment.
Courtesy of Energy Recovery
Ultra Px Image

Advances in Reverse Osmosis (RO) design have made it possible to use Ultra High-Pressure Reverse Osmosis (UHPRO) systems to treat industrial wastewater, reducing the volume of the waste stream before it reaches the thermal process, resulting in far less thermal treatment

Energy Recovery’s Ultra PX uses the same pressure exchanger technology that powers the company’s desalination industry-leading PX Pressure Exchanger (PX). For 30 years, desalination customers have trusted the PX to reduce their energy costs. Now available for use in UHPRO wastewater treatment, the Ultra PX is able to reduce the energy needs of UHPRO systems by as much as 60%, compounding the benefits of these systems versus traditional thermal processes.

The Ultra PX utilizes the concentrate’s high pressure as it exits the RO membrane to pressurize an equivalent flow of feedwater, which then circulates through the membrane. By making use of energy that would otherwise be wasted as concentrate exits the membrane, treatment facilities can significantly reduce the size of the high-pressure pump, reducing capital and operational costs.

The Ultra PX has a simple, reliable design that consists of one moving component with no controls or electronics and can operate at pressures up to 120 bar.

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