Commercial Seawater Desalination RO Membrane With Low Operating Pressure

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Snowate

Hebei, China

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Commercial saltwater desalination RO membranes are an essential part of the desalination process in the business world. They are commonly utilized to supply a dependable supply of fresh water in hotels, resorts, mariculture, industrial production, and other commercial applications. Commercial seawater desalination RO membranes from Snowate use cutting-edge automated precision manufacturing technology, which ensures a large flux while accounting for an excellent rejection rate.

This can meet the demands of seawater desalination installations both at sea and on land. Simultaneously, the decreased operating pressure can result in lower running expenses and a reduction in the cost of high pressure pumps. Simultaneously, the operational pressure is lowered, potentially saving operating and high pressure pump costs.

Operational Concept

Commercial desalination of seawater Principle of operation of RO membrane

Usually, a FRP membrane housing houses the RO membrane. To explain the operation of the RO membrane element, let's use the end port membrane housing as an example.

Raw water enters through the feed port with an intake plug under pressure. Following filtration, the concentrate exits the side of the RO membrane element and enters the feed port of the subsequent RO membrane element, while the permeate enters the central collector of the RO membrane and travels via the interconnector towards the central collector of the subsequent RO membrane element. Ultimately, the concentrate and permeate exit the drain port without a stopper, with the concentrate exiting the central collector.

                                                            Maximum Operating Pressure
                                                            69 bar (1,000 psi)
                                                        
                                                            Maximum Operating Temperature
                                                            45 °C (113 °F)
                                                        
                                                            Maximum Element Pressure Drop
                                                            1.0 bar (15 psi)
                                                        
                                                            pH Range Continuous Operation
                                                            2–11
                                                        
                                                            pH Range Short-Term Cleaning
                                                            1–13
                                                        
                                                            Maximum Feed SDI (SDI15)
                                                            5.0
                                                        
                                                            Free Chlorine Tolerance
                                                            < 0.1 ppm