Abstract: The stable floating platform is constituted from (as shown in FIG. 1) four peripheral floaters (2) and one central (1) connected to each other with tubular grid (3). On top of the central floater a metal tower (4) is supported, with a wind generator (5). In the interior of the central floater (as shown in FIG. 2) a desalination unit (6) is installed with the essential equipment, the batteries and the control equipment (7). The peripheral floaters have the ability to store and input-output water, altering in this way the natural frequency of the structure (platform), avoiding thus resonance with the sea waves. The control of the water is made with valves that feed compressed air into the compartment that contains water, regulating thus the volume of the water in the cylinders. The floating structure presents only limited oscillations under sea waves and so it is possible for the wind generator (and/or the desalination unit) to operate on it.

Abstract: A method and a device for desalination, that operates with reverse osmosis membranes (7) and pressure vessels (9) and (20) that are connected to the high pressure circuit via valves (17) and with the low pressure circuit via valves (10). The proposed system includes the operation of a water intake pump (2) and high pressure pump (5) and a circulating pump, when vessel (9) is connected to the high pressure circuit, vessel (20) is fed with fresh salty water in the low pressure, next vessel (20) is connected to the high pressure, vessel (9) is disconnected, then vessel (9) is rinsed, vessel (9) becomes complete with salty water in the low pressure, then vessel (9) is connected in the high pressure, next vessel (20) disconnected, vessel (20) is rinsed, vessel (20) becomes complete with fresh salty water in the low pressure. The process is repeated with alternation of vessels (9) and (20).