Harnessing the Energy Generated When Freshwater Meets Saltwater
May 29th, 2017
I’d never heard of this before.
Via: Phys.org:
Penn State researchers have created a new hybrid technology that produces unprecedented amounts of electrical power where seawater and freshwater combine at the coast.
“The goal of this technology is to generate electricity from where the rivers meet the ocean,” said Christopher Gorski, assistant professor in environmental engineering at Penn State. “It’s based on the difference in the salt concentrations between the two water sources.”
That difference in salt concentration has the potential to generate enough energy to meet up to 40 percent of global electricity demands. Though methods currently exist to capture this energy, the two most successful methods, pressure retarded osmosis (PRO) and reverse electrodialysis (RED), have thus far fallen short.
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