| 摘要 |
<p>The process comprises placing the water to be treated in a first level under high pressure of more than 2.5 MPa, treating the water by reverse osmosis, and discharging the water from the first level to a second level in which the water is treated by reverse osmosis. The first level comprises a water membrane. The water is pumped in upstream of the first level at a pressure of greater than 4 MPa. The membrane of the first level supplies fresh water by desalination, where the fresh water has a conductivity of greater than 40 mS/cm. The process comprises placing the water to be treated in a first level under high pressure of more than 2.5 MPa, treating the water by reverse osmosis, and discharging the water from the first level to a second level in which the water is treated by reverse osmosis. The first level comprises a water membrane. The water is pumped in upstream of the first level at a pressure of greater than 4 MPa. The membrane of the first level supplies fresh water by desalination, where the fresh water has a conductivity of greater than 40 mS/cm. The water is primarily dechlorinated using activated carbon. Each membrane of the first level is intended to be used for water having salinity of greater than 30 g/l. Each membrane of the second level is a membrane for bio-osmosis intended to be used with water having low salinity of less than 2.5 g/l. An independent claim is included for a device for treating water for producing dialysis water from chlorinated and filtered drinking water.</p> |
