Reverse osmosis hydrophilic antifouling membrane coatings that cut scaling and unlock easier high-salinity water treatment.
The patent uses a hydrophilic coating on a reverse osmosis membrane to reduce fouling while water is driven through the membrane by pressure higher than the feed’s osmotic pressure. That technical constraint means operation can keep salt rejection high using straightforward crossflow and a pressure set above osmotic pressure rather than chemical-heavy cleaning. Without licensing, founders could previously be blocked from commercializing this specific coating approach and its process around fouling-resistant RO operation.
Build low-chemical desalination and wastewater polishing systems for municipal plants, industrial reuse, or mobile RO trailers.
Reverse osmosis membranes and processes are disclosed. The membranes have a hydrophilic coating that provides improved fouling resistance. Reverse osmosis is commonly used to treat water containing dissolved salts. Treatment is carried out by flowing a water stream across the feed side of a membrane. Pressure in excess of the osmotic pressure of the feed solution is applied on the feed side, and under this pressure driving force, water molecules pass through the membrane preferentially.
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