500L Brackish Water Treatment Plant For Seawater Salt Water Desalination
500L Reverse Osmosis Performance & Design Calculations
Advantages :
High quality reverse osmosis membrane, desalination rate > 99.2% high quality U.S. imported high-pressure pump antirust, corrosion resistant long service life: 15 to 20 years, small and light, easy to use, convenient maintenance self protection design and production by China classification society CCS quality standard applicable power: 220 v / 50 hz, 380 v / 50 hz, 440 v / 60 hz3 tons of seawater desalination equipment effluent standards: every day meet the national drinking water standards
What contaminants will Reverse Osmosis remove from water?
Reverse Osmosis is capable of removing up to 99%+ of the dissolved salts (ions), particles, colloids, organics, bacteria and pyrogens from the feed water (although an RO system should not be relied upon to remove 100% of bacteria and viruses). An RO membrane rejects contaminants based on their size and charge. Any contaminant that has a molecular weight greater than 200 is likely rejected by a properly running RO system (for comparison a water molecule has a MW of 18). Likewise, the greater the ionic charge of the contaminant, the more likely it will be unable to pass through the RO membrane. For example, a sodium ion has only one charge (monovalent) and is not rejected by the RO membrane as well as calcium for example, which has two charges. Likewise, this is why an RO system does not remove gases such as CO2 very well because they are not highly ionized (charged) while in solution and have a very low molecular weight. Because an RO system does not remove gases, the permeate water can have a slightly lower than normal pH level depending on CO2 levels in the feed water as the CO2 is converted to carbonic acid.
Reverse Osmosis is very effective in treating brackish, surface and ground water for both large and small flows applications. Some examples of industries that use RO water include pharmaceutical, boiler feed water, food and beverage, metal finishing and semiconductor manufacturing to name a few.
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