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Reverse Osmosis

The membrane permeating only solvent but not solute usually is referred to as semopermeable membrane. Place semopermeable membrane between two solutions of different concentrations. Under equal temperature, and analyzed from the perspective of thermodynamic equilibrium, it should be that the solvent passes through the semopermeable membrane and gradually transfers to the part with lower chemical potential. This phenomenon is called as osmosis.
Definition of permeation: one solvent (water) enters into another solvent through semopermeable membrane, or solvent (water) permeate from one thinner solution to another thicker solution. It is called as osmosis.
Apply proper pressure to the thicker solution to stop the osmosis and realize osmosis balance. The pressure stopping pure water permeating into thicker solution is called as the osmotic pressure of the thicker solution.
Applying pressure higher than the natural osmotic pressure to the thicker solution can turn the natural osmosis direction and permeate the solvent (water) in the thicker solution into the thinner solution at the other side of the semopermeable membrane. The process opposite to the natural osmosis is called as reverse osmosis. It indicates that when the pressure applied to the side of brine is higher than the osmotic pressure of the brine, we can use the semopermeable membrane device to get fresh water from brine.
Raw water  → raw water tank  → raw water pump  → (metering pump) → quartz sand filter  → activated carbon filter  → water softener  → (metering pump) → precise pump  → high pressure pump  → primary RO device  → pure water tank  → pure water pump  →UV sterilizer  → microporous filter  → user
Flow rate:0.25m³/h-300 m³/h,25℃
Desalinated rate:97%
Conductive Rate:<10 us/cm (original water<300 us/cm )
Name Model Flow rate (m3/h) In/outlet
FW51-002 Ф220×1500 0.25 DN15
FW51-005 Ф300×1600 0.5 DN20
FW51-010 Ф400×1800 1.0 DN25
FW51-020 Ф500×2100 2.0 DN25
FW51-030 Ф600×2200 3.0 DN32
FW51-050 ф1000×2800 5.0 DN40
FW51-080 ф1300×3000 8.0 DN50
FW51-100 ф1400×3100 10.0 DN50
FW51-150 ф1800×3200 15.0 DN65
FW51-200 Ф2000×3400 20.0 DN80
FW51-250 ф2200×3500 25.0 DN80
FW51-300 ф2500×3900 30.0 DN100
FW51-400 ф2800×4100 40.0 DN125
FW51-500 Ф3200×4350 50.0 DN150
FW51-800 Ф3200×4350 80.0 DN150
FW51-1000 Ф3200×4350 100.0 DN150
FW51-1500 ф3200×4500 150.0 DN200
FW51-2000 ф3200×4500 200.0 DN200
FW51-3000 ф3200×4600 300.0 DN250
FW51-5000 ф3200×4700 500.0 DN300