NOVELTY - Disposing a brine solution generated during a desalination process comprises feeding the brine solution under a hydraulic pressure into a first pathway (32) being defined at least partially by a first face of a semipermeable membrane (30); and feeding a diluted solution having a lower salinity than the brine solution into a second pathway (34) being defined at least partially by a second face of the semipermeable membrane (30).    USE - The method and system are used for disposing a brine solution generated during a desalination process (claimed).    ADVANTAGE - The method and system are used to reduce salt concentration of the brine solution generated during a desalination process for disposal.    DETAILED DESCRIPTION - Disposing a brine solution generated during a desalination process comprises feeding the brine solution under a hydraulic pressure into a first pathway (32) being defined at least partially by a first face of a semipermeable membrane (30); feeding a diluted solution having a lower salinity than the brine solution into a second pathway (34) being defined at least partially by a second face of the semipermeable membrane (30), the second face being opposite to the first face, such that part of the solvent of the diluted solution passes through the semipermeable membrane (30) forming a diluted brine solution in the first pathway (32) having a higher volume than the brine solution fed; generating energy from a potential pressure energy of the diluted brine solution; and disposing the diluted brine solution into the environment. An INDEPENDENT CLAIM is a desalination system (10), comprising a desalinator (15) for desalinating an aqueous salt solution, the desalinator (15) producing a desalinated solution and a brine solution; an osmosis unit (20) comprising a semipermeable membrane (30), a first face of the semipermeable membrane (30) defining at least partially a first pathway (32) and a second face opposite to the first face of the semipermeable membrane (30) defining at least partially a second pathway (34); a first feeder (36) for feeding the brine solution under a hydraulic pressure into the first pathway (32); a second feeder (38) for feeding a diluted solution having a lower salinity than the brine solution into the second pathway (34), where the semipermeable membrane (30) allowing part of the solvent of the diluted solution to pass through forming a diluted brine solution in the first path- way (32) having a higher volume than the brine solution fed; a turbine (42) in fluid communication with the first pathway (32) to receive the diluted brine solution to generate energy from a potential pressure energy of the diluted brine solution; and means for disposing the diluted brine solution into the environment from the turbine (42).    DESCRIPTION OF DRAWING(S) - The drawing shows a block diagram of a desalination system.    Semipermeable membrane (30)    First pathway (32)    Second pathway (34)    First feeder (36)    Second feeder (38)