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Industrial reverse osmosis membrane is a membrane separation technology used in water treatment that can effectively remove dissolved solids, ions, organic matter, and microorganisms from water. **Industrial reverse osmosis membranes can help reduce wastewater discharge and conserve resources.
Principle: Industrial reverse osmosis membranes use the characteristics of semi-permeable membranes to separate purified water and concentrated solutions by applying pressure to pass water through the membrane from a highly concentrated solution. The pore size of the membrane is very small, only nanoscale, which can block the passage of solutes and most solvent molecules, allowing only water molecules to pass through.
Working process: Industrial reverse osmosis membrane systems typically include a pump and a separation device. The pump pressurizes the highly concentrated solution and passes it through the reverse osmosis membrane, creating two fluid flows: a stream of pure water through the membrane and a stream of concentrated solution on the membrane. Purified water can be collected and used for other purposes, while the concentrated solution is discharged.
Process: The process of industrial reverse osmosis membranes usually includes the following steps:
1. Initial cleaning: Discharge the wastewater from the reverse osmosis membrane system and rinse it with clean water to remove the sediment and impurities attached to the membrane.
2.Chemical cleaning: Chemical cleaning of membranes with specialized cleaning agents to remove dead zone contamination, inorganic particles, bacteria, etc.
3.Mechanical cleaning: The membrane is mechanically rinsed using a spray device to further strip and clean the dirt from the membrane surface.
4.Regeneration: If there are hydrophobic, oleophobic and other problems on the surface of the membrane, thermal oxidation or other regeneration methods can be carried out to restore the performance of the membrane.
5.Testing and quality control: By detecting the membrane's rejection rate, water yield and other parameters, the working performance and stability of the membrane are ensured.
The process of industrial reverse osmosis membranes** includes cleaning and maintenance to keep the membranes working efficiently and extend the life of the membranes by removing contaminants that adhere to the membranes. This reduces the discharge of wastewater, saves water resources, and ensures the effectiveness and quality of water treatment.