Solar Water Distillation Technology

It's a strange thing how damaging water can be

. Ordinarily, in many countries, drought and dryness forces many to drink unclean water, killing many. But now, with the disastrous flooding going on in Pakistan, we have seen firsthand that too much water is equally a killer as drought and dryness. Too much stagnant water breeds disease and malaria. Water is the biggest issue facing humanity today. Did you know that a lack of clean water is the biggest killer of humans on the planet? So what are we to do about this problem. I think that solar water distiller technology is the answer. Though many experts scoff at solar water distillation because it isn't guaranteed to produce fully clean water, it's still the best thing we've got.

What is a solar water distiller? A solar water distiller is generally nothing more than a triangular box that has a glass pane seated on top facing the sun. When this box is filled with dirty water and put out into the sun, the glass causes a greenhouse effect and the water heats up and begins to evaporate very quickly. Then, as the water collects and condenses on the glass, it slides down and is gathered and delivered into a jug.

Opponents to this kind of technology say that the water that comes out of the solar water distiller isn't ever really cleaned and therefore isn't viable for human use. But consider for a moment the alternative. If all the humans have to drink prior to this is the dirty water, then surely running that same dirty water through a solar water distiller can't hurt. There are many expensive water filtration systems out there, and many of them have filters that need to be changed often.

Solar water distillers aren't the same. It's generally very simple to build, mostly just a wooden box with a glass pane on top, and it doesn't have a complex filter, just natural evaporation. Nature cleans the water itself. It doesn't need any fancy devices. When I lived in southeast Asia for a year, in Cambodia, I often would buy green coconuts for the juice they had inside. The water in Cambodia wasn't often very clean but inside the green coconut lay about a pint of fresh, nutrient rich water that nature had cleaned on its own and locked away inside the coconut. Over in Cambodia, buying an unripe coconut cost about five cents at the time. A bottle of filtered water cost twenty five cents in comparison. So you decide which is more economical for poor countries.

Man made filtration is excellent. It's only downfall is its cost. Solar water distillation is a cheap way to give a pretty decent amount of filtration to otherwise dirty drinking water. Especially when used in times of a disaster, such as the flooding going on currently in Pakistan, solar water distillation ought to be used to give people some access to clean water. And even though solar water distillers can be used for personal use, they can also be constructed on a grand scale, many many feet wide and long, for mass purification of water. It's my hope that in the future, they'll be given another chance by governments and other organizations.

by: Ben Mester

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