Solar Water Distillation – Nature’s Method of Water Purification

While many people stock expensive filtration equipment to filter their drinking water of impurities, it might come as a surprise to find that a lot of this can actually be done via the sun and its natural evaporation process.

The sun natrually filters out many impurities from water
The sun natrually filters out many impurities from water

The sun is our planet’s natural filtration system. Solar rays distill impurities from water by evaporating it away from natural debris and then re-condensing the vapor into distilled water. Rain water, which is naturally distilled by the sun, is considered to be an extremely pure source of water. Alas, given our heavily polluted lifestyles, this is not necessarily the case any more. Polluted environments have increasingly large quantities of suspended dust particles and toxic debris. It is impossible for the sun to naturally filter out all impurities.

However, if you live in a relatively clean clean environment, then solar filtration might just be the answer to your needs. You can harvest rainwater not just for use in the garden, but possibly for use in the kitchen too.

The following video explains how you can build your own simple solar water distiller. Although, it might not be practical for everyone to do this, especially on a large scale, this simple experiment will help you understand in better detail, how nature filters water via evaporation.

Written by Reenita Malhotra


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  1. Isn’t it too bad that even the sun which is our natural water purifier cannot keep us safe from our own contamination. Wouldn’t it be great to live in a world where water purifiers weren’t necessary! ?

    Thanks for the interesting article and video.

  2. I was in Bermuda not too long ago and was amazed at their roof top construction for water reclamation. I would really like to get involved with “Green” construction with solar and water and have a lot of ideas. If you are hiring, please let me know where I can send my resume.

  3. At the very least it’s nice to know that this is possible if worst came to worst and I had no other method of water purification available. Unless the sun was blocked out for some reason, you’d pretty much always be able to use this method to get clean water.

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