This invention describes a system to generate electricity by harnessing the natural movement of water across a membrane from a less salty solution to a very salty one, a process called osmosis. A series of connected chambers, each with a pump and a generator, are used to continuously draw salt-free water through special filters, creating pressure that drives the generators. The system specifically requires starting with an extremely concentrated saltwater solution.
Why it matters: Filed when osmotic power generation faced significant membrane limitations. Since 2009, membrane technology for salinity gradient power has seen substantial improvements in efficiency and durability, making the claimed 35% efficiency more feasible.
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