Designed to optimize

Solutions built upon decades of engineering expertise

Energy Recovery has spent 30 years perfecting the reliable, field-proven, and trusted PX® Pressure Exchanger® technology. Consuming no electrical power and engineered with only one moving part made of highly durable and corrosion-resistant ceramic, the PX Pressure Exchanger offers substantial energy savings and ease of integration resulting in reduced operational expenditures. Our low-pressure PX solutions are designed for brackish water reverse osmosis (BWRO) applications. It is designed to operate at low pressures of 5.5-27.6 bar (80 – 400 psi) and is ideal for use in potable, non-potable, agricultural, and industrial water reuse.

How it works

Graphic of how the Low-Pressure PX works

99.8%

Industry-leading uptime and reliability

25 Years

Designed to last with no scheduled maintenance

400 PSI

Maximum pressure

97%

Peak efficiency

The PX Pressure Exchanger transfers hydraulic energy from the concentrated brine stream and uses it to supplement the flow from the main high-pressure feed pump, which feeds the membranes. This is done via direct contact between the concentrated brine and filtered seawater feed stream. An optional booster pump can be used to balance the fluxes in both stages.

Low-Pressure PX

Graph of each Low-Pressure PX model and their flow range

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Wastewater / Desalination

WieTec

Shanghai, China

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Building a more sustainable future where energy efficiency drives operational profitability.