Permeate pump or wastewater saving pump for reverse osmosis systems without a booster pump
to increase the performance and efficiency of reverse osmosis systems
This new, quieter permeate pump is used in reverse osmosis systems without a pressure increasing pump (booster pump) to eliminate the back pressure of the water tank. It ensures an efficient working range of the reverse osmosis membrane regardless of the filling level of the tank. This achieves the following positive properties:
- Water consumption is reduced up to five times
- The pre-filters used are protected by reducing the water flow
- The new formation rate of pure reverse osmosis water is increased
- The purity of reverse osmosis water is improved by the higher pressure difference
- The permeate pump is operated mechanically (hydraulically) via the line pressure. It requires no power connection or batteries and is maintenance-free for years.
When you order ours Aquavolta® Osmion reverse osmosis system in combination with the Aquavolta® H2 Rocket As a functional hydrogen gassing tank that increases the H2 gas content and the pH value of the reverse osmosis water, we add the Silent permeate pump to the H2 Rocket free of charge.
How the permeate pump works
In a reverse osmosis system with a permeate pump, the full line pressure always acts on the reverse osmosis membrane, even if the storage tank is then full. This means that the entire filling area of the reverse osmosis tank or Aquavolta® H2 Rockets no loss of performance.
If a normal system were to work at 5 bar line pressure, the tank would be filled with 2,5 bar, since only 2,5 bar would work across the reverse osmosis membrane. In this case, the system would only deliver 50% of normal output.
With a reverse osmosis permeate pump, however, the reverse osmosis membrane in the same example still works at the full 5 bar differential pressure, even if the tank pressure increases to 4,6 bar.
The back pressure that forms from the osmosis membrane has no negative influence on the performance and efficiency of the reverse osmosis system.
How the permeate pump works
The hydraulic interplay between permeate water (pure reverse osmosis water) and wastewater decouples the tank pressure from the membrane outlet.
This means that almost the maximum pressure drop is present across the reverse osmosis membrane and the efficiency of the reverse osmosis system (measured as the ultrapure water to wastewater ratio) is almost constant over the entire filling range of the tank. This leads to faster filling of the tank and significantly saves waste water.