High-pressure pumps deliver up to 90% efficiency
Substantial amounts of fresh water are consumed in modern society and all too often poorly treated wastewater is discharged into the environment.
To improve the reuse of water and reduce the discharge of wastewater, Zero Liquid Discharge (ZLD) has emerged as a highly efficient wastewater treatment process. ZLD is an ambitious wastewater management strategy that eliminates any liquid waste leaving the plant or facility with most water being recovered for reuse.
The efficient elimination of effluent makes the ZLD process highly attractive to industries and utilities. Until now, however, the process has been constrained by high costs and intensive energy consumption.
The traditional thermal-based process used in ZLD systems is highly energy intensive. By adding a membrane-based process, studies show that energy consumption can be reduced by as much as 75 %.
The membrane-based process, also known as reverse osmosis, requires membranes and a high-pressure pump that can operate with pressures up to 120 bar. Membranes have now been developed for pressures up to 120 bar. With the Danfoss APP W HC pump, professionals also have access to a reliable and high-efficient pump that meets the requirements of the membrane-based process.
The APP W HC high-pressure pumps deliver unrivaled efficiency rates up to 90% at all operation points. The strong and extremely robust pumps are made of duplex stainless steel and guarantee high reliability and low operational costs over the service life.
The APP W HC pump handles flow ranges from 11 to 24 m³/hour and pressures up to 120 bar. The pumps can be parallel-coupled in trains to fulfill the required capacity at any time.
Features and benefits
World-class efficiency - up to 90% at all operation points
Low complexity with few moving parts
Easy to operate and maintain
The pump is oil-free to avoid contamination
Easy scalability when coupled in parallel
Made of first-class Duplex steel to prevent corrosion in agressive environments
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