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Cheaper desalination – Saltworks breakthrough

Posted by: Aqua Blog Maven on November 16, 2009 at 4:33 pm

From CleanTechnica, this article written by Paul O’Callaghan, CEO of Cleantech consultancy firm, O2 Environmental Inc. and author of Water Technology Markets:

“Canadian firm, Saltworks Technologies, just came out of stealth in relation to their desalination technology, which they claim reduce the electrical energy required for desalination by over 70%. They report they can produce 1m3 of water with 1kW hour of electrical energy, compared to the 3.7kWhr per m3, which is what is currently achievable using reverse osmosis with the use of energy recovery devices.

So how to they do it? Well its novel. It appears to be a new approach. And novel and new are two things scarce as hens teeth in relation to desalination technologies.

They use solar heat (or waste heat) to evaporate water and concentrate salt water. They are converting solar energy into osmotic energy by doing this. They then use this osmotic energy to desalinate water. … “

Read more from Clean Technica by clicking here.

November 16, 2009 · Filed Under Desalination

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