Is Hydricity The 24 X 7 Power Source For Renewable Energy That We Need?

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Hydro Power Perfect For The Desert (And Other Places)

Hydricity is a relatively new concept on the renewable energy playing field – it’s still in the prototyping phase, after all – but is gaining attention as a hybrid power source that, according to the scientists working on the project, promises to produce energy 24X7.

This is an important promise, as lack of effective energy storage has left solar panels unable to provide power during the nighttime hours, and wind energy dries up during periods of calmer weather.  Also, the startup and shut-down process of energy turbines is a significant energy drain that could hopefully be avoided with Hydricity.

In any case, time will tell as to whether Hydricity will live up to the promises of its proponents.  Read the details of how it’s supposed to do that below the break!

“The proposed hydricity concept represents a potential breakthrough solution for continuous and efficient power generation,” said Rakesh Agrawal from Purdue University in US. “The concept provides an exciting opportunity to envision and create a sustainable economy to meet all the human needs including food, chemicals transportation, heating and electricity,” he said.

Hydrogen can be combined with carbon from agricultural biomass to produce fuel, fertiliser and other pro ducts. “If you can borrow carbon from sustainably available biomass you can produce anything: electricity chemicals, heating, food and fuel,” said Agrawal.

Hydricity uses solar concentrators to focus sunlight, producing high temperatures and superheating water to operate a series of electricity-generating steam turbines and reactors for splitting water into hydrogen and oxygen.

The hydrogen would be stored for use overnight to superheat water and run the steam turbines, or it could be used for other applications, producing zero greenhouse-gas emissions, researchers said.

In superheating, water is heated well beyond its boiling point – in this case from 1,000 to 1,300 degrees Celsius -producing high-temperature steam to run turbines and also to operate solar reactors to split the water into hydrogen and oxygen.

“In the round-the-clock process we produce hydrogen and electricity during daylight, store hydrogen and oxygen, and then when solar energy is not available we use hydrogen to produce electricity using a turbine-based hydrogenpower cycle,” said Mohit Tawarmalani, professor at Purdue. “Because we could operate around the clock, the steam turbines run continuously and shutdowns and restarts are not required.

Source: The Indian Panorama

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