8 votes

Why can't solar stills convert sea water into fresh water?

In effect, nature does this already. The sun heats up a patch of ocean, water evaporates and rises into the atmosphere. The vapour then condenses on airborne aerosols to form clouds which are then ...
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  • 3,217
5 votes

Why can't solar stills convert sea water into fresh water?

I think this is one of the "gaping holes" you are looking for: The amount of Total Dissolved Solids (TDS) in sea water is about 40,000ppm. Thus for every 1,000L of sea water distilled, you would ...
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  • 2,744
5 votes

Why can't solar stills convert sea water into fresh water?

A solar still CAN convert sea water to potable water. They are commonly included in lifeboat kits. Check the Watercone or this survival guide.
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  • 1,468
4 votes

Reference request - Overview over established solar thermal desalination technologies

Here are a couple of papers published between 2011 and 2016: Ranjan, K. R., and S. C. Kaushik. 2013. ‘Energy, Exergy and Thermo-Economic Analysis of Solar Distillation Systems: A Review’. Renewable ...
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  • 3,212
2 votes

How to use sea water in daily life?

What do we use water for in every-day life? And can we use untreated seawater instead? Because: untreated seawater is what the PO's is supposed to use instead of fresh water. :) Bathing. Maybe Either ...
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  • 141
2 votes

Do we have a way to limit rising sea levels in a warmer global climate?

I'm afraid the answer is no. Greenland alone has enough ice to raise sea-level by 7m. That is, 7m of water spread over the oceans which cover 71% of the Earth's surface. The flow of Alpine glaciers ...
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  • 961
1 vote

Do we have a way to limit rising sea levels in a warmer global climate?

It sounds like what you're talking about is geoengineering: the deliberate and large-scale intervention in the Earth's climate system. An interesting paper was published just last month that ...
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