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Old 17-10-2020, 08:46   #1
er9
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New Desalination Tech

Looks interesting although still to early to see if it will be useful or doable on a sailboat.

https://news.ku.dk/all_news/2020/09/...rinking-water/
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Old 17-10-2020, 09:32   #2
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Re: New Desalination Tech

That sounds very interesting. Will take a while, but in the medium run...
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Old 17-10-2020, 10:17   #3
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Re: New Desalination Tech

I ++hope this will indeed work. With new desalination methods we will be all better off.


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Old 21-10-2020, 18:34   #4
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Re: New Desalination Tech

Yet another new technique.

Simple, solar-powered water desalination

A completely passive solar-powered desalination system developed by researchers at MIT and in China could provide more than 1.5 gallons of fresh drinking water per hour for every square meter of solar collecting area. Such systems could potentially serve off-grid arid coastal areas to provide an efficient, low-cost water source.

The system uses multiple layers of flat solar evaporators and condensers, lined up in a vertical array and topped with transparent aerogel insulation. It is described in a paper appearing today in the journal Energy and Environmental Science.

The key to the systemís efficiency lies in the way it uses each of the multiple stages to desalinate the water. At each stage, heat released by the previous stage is harnessed instead of wasted. In this way, the teamís demonstration device can achieve an overall efficiency of 385 percent in converting the energy of sunlight into the energy of water evaporation.
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