A gigantic floating pipe covered in solar panels could help save California from drought

A new futuristic design concept aims to address the problem from a different perspective: by proposing a new way to make sea water drinkable.

The Pipe - credit Khalili Engineers

The Pipe – credit Khalili Engineers

The Pipe, a giant, floating desalination device, is designed to be both an artistic landmark and a way to provide California with a new source of clean water. The project is one of 10 finalists for the Land Art Generator Initiative biennial design competition, which asked teams to envision innovative site-specific public art projects that can harness clean energy and convert it into electricity or drinking water. The assigned location for this year’s competition was Santa Monica, California.

Khalili Engineers Pipe Scheme

Khalili Engineers Pipe Scheme

On its exterior, the 2000-foot-long Pipe is coated in high-tech, satellite-grade solar panels, which harvest power throughout the day. The energy that the panels gather would be used to take in seawater and pump it through an electromagnetic filtration tube hidden on the underside of the floating platform.

Aziz Khalili, a Canada-based electrical engineer and the project leader for the Pipe, tells Business Insider that he’s been thinking about the electromagnetic technology that would desalinate the water for 30 years. Because the salt and other materials dissolved in the water are naturally ionized, he says, the system would take advantage of their natural charge and use an electromagnetic force to direct those ions to the edges of the tube.

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Khalili’s team claims the Pipe would create 10,000 megawatt hours of power annually, which it would use to desalinate 4.5 billion liters per year — that’s enough water to cover the average daily usage of approximately 36,000 people (roughly 40% of Santa Monica).

The results of the desalination process would be two different kinds of water: one type that’s safe to drink and sent straight into the city’s water network, and another with 12% salinity that would be used to fill a series of thermal baths located inside the tube.

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Visitors could take a boat out to the floating tube — which would be located 600 to 1000 meters from the coast — and spend time swimming in shallow pools of cold and hot water. Windows would allow them to look out at the ocean. The tourist aspect of the tube could allow a city to sell tickets that could help pay for the tube’s construction.

The winner of the competition will be announced in October and receive $15,000. But the top prize does not guarantee the design will actually be built.

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