with pressure operated meerwasserentsalzungsvorrichtung and procedures with gravitationsbetriebener laugenru00fcckfu00fchrung

摘要

An apparatus and method of removing salt from seawater to produce potable freshwater. In the first preferred embodiment, a reverse osmosis system containing one or more reverse osmosis devices ("RODs") is supported by a platform on the sea floor. In the second preferred embodiment, a cylinder is supported by a flotation device, and the reverse osmosis system is retained on the cylinder. In both the embodiments, an elongated brine return runs downhill on the sea floor. The RODs each contain a membrane that will allow water molecules, but not sodium and chlorine ions, to pass through. Due to the pressure differential, freshwater passes through the membranes by reverse osmosis, and is pumped out of the pressure hulls to a storage facility onshore.