FIELD: desalination of sea water and natural brackish waters.
SUBSTANCE: the Invention is dealt with the field of desalination of sea water and natural brackish waters. The membranous installation includes a pump of feeding of the initial sea water, a high-pressure pump, a membranous module, a recuperator of pressure and an osmotic membranous module in series connected with an additional recuperator of pressure. The second version of membranous installation includes a pump of feeding of initial sea water, a high-pressure pump, a membranous module, a recuperator of pressure and an osmotic membranous module in series connected with an additional recuperator of pressure. At that as the pump of feeding of initial sea water they use the additional recuperator of pressure. Besides the installations may include no less than two in series connected pairs consisting of an osmotic membranous module and an additional recuperator of pressure. The technical result is reduction of power consumptions at the sea and natural brackish waters desalination.
EFFECT: the invention ensures reduction of power consumptions at the sea and natural brackish waters desalination.
4 cl, 4 dwg
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