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The Solar Still: Our Last Ditch Attempt at Safe, Clean, Drinking Water

  • Apr 28, 2013 · 11:00 AM
  • This location is shown only to members

With this meetup we will be looking at and making a solar still, in order to have pure water free of anything that could be harmful to you. Activities include: making a solar still out of survival kit supplies; looking at how we could use discarded items to make a solar still and a still that would work on heat. We will also talk about fire versus the pill for safe drinking water.

This event will be hosted by Joe, Organizer of The United Survivalist Network of Ontario.

What is a solar still?
A solar still is a simple way of distilling water, using the heat of the Sun to drive evaporation from humid soil, and ambient air to cool a condenser film. Two basic types of solar stills are box and pit stills. In a solar still, impure water is contained outside the collector, where it is evaporated by sunlight shining through clear plastic. The pure water vapor condenses on the cool inside plastic surface and drips down from the weighted low point, where it is collected and removed. The box type is more sophisticated. The basic principles of solar water distillation are simple, yet effective, as distillation replicates the way nature makes rain. The sun's energy heats water to the point of evaporation. As the water evaporates, water vapor rises, condensing on the glass surface for collection. This process removes impurities, such as salts and heavy metals, and eliminates microbiological organisms. The end result is water cleaner than the purest rainwater.

Some supplies you may want to bring (but are not required to bring) are: 2 clear plasic garbage bags, a cup or tin for water clear tubing to use as a straw 2ft (optional), a small digging tool (like the small hand type used in gardening) and two 2lt pop bottles with one being of clear plastic .

Note: This event will be held outside. Please wear comfortable clothes and shoes for walking on uneven terrain and dress for the weather. This event will be held rain or shine, however for safety reasons will be cancelled in a thunder storm.

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