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Sundyne Sunflo pumps utilize high-speed technology to generate high pressure typically for boiler feed, reverse osmosis, NOx suppression, washdown (food and beverage production), injection, seal flush, and condensate return. Sundyne also has the widest range of sealless magnet drive pumps in the world.
A boost pump then raises this pressure by typically 3 bar / 50 psi to the membrane feed pressure. This reduces flow needed from the high-pressure pump by an amount equal to the concentrate flow, typically 60%, and thereby its energy input. These are widely used on larger low-energy systems. They are capable of 3 kWh/m 3 or less energy consumption.
These are activated by the concentrate (brine) leaving the plant and transfer the energy contained in the high pressure of this concentrate usually mechanically to the high-pressure pump. In the pressure exchanger the energy contained in the brine is transferred hydraulically [1] [2] and with an efficiency of approximately 98% to the feed. [3]
NEWARK, Del, Oct. 07, 2024 (GLOBE NEWSWIRE) -- The reverse osmosis (RO) pump market is projected to experience significant growth over the coming decade. With increasing demand for clean water across the globe, driven by industrial expansion, urbanization, and environmental concerns, the reverse osmosis pump market, valued at USD 6.2 billion in 2023, is expected to nearly double, reaching USD ...
This pressure is equivalent to a column of water (hydraulic head) 270 meters high. [7] In a real-world system, both the hydraulic pressure and the osmotic pressure will vary through the PRO system as a result of friction, water removal, and salt build up near the membranes. These factors reduce the achievable power below the ideal limit.
Electroosmotic pumps are fabricated from silica nanospheres [6] [7] or hydrophilic porous glass, the pumping mechanism is generated by an external electric field applied on an electric double layer (EDL), generates high pressures (e.g., more than 340 atm (34 MPa) at 12 kV applied potentials) and high flow rates (e.g., 40 ml/min at 100 V in a pumping structure less than 1 cm 3 in volume).
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