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DIY terra cotta clay waterfilter

Discussion in 'Back to Basics' started by Tango3, Dec 20, 2009.

  1. Tango3

    Tango3 Aimless wanderer


    — by Kelly Mead @ 19 Jun 2008

    The Australian National University (ANU) scientist Tony Flynn has developed a process to create water filters from commonly available materials. The materials need to also be fired, which can be done without a kiln or other western technology, by using common manure.
    An estimated 80% of all sickness in this world can be attributed to unsafe water and sanitation according to the World Health Organization (WHO). That can be seen in the annual 1.5 billion episodes of diarrhea in children under the age of 5, with about four million of those being fatal.
    Since historically water filters have had to be imported to developing nations, which means increased cost and reduced availability for the populace. With the new filter design made from common place materials available in even the most remote places.
    “These filters are a hollow ceramic vessel filled with charcoal. They are intended to filter out suspended silt and bacteria. However, at around $US5 each, they’re too expensive for individuals in many developing communities to consider purchasing,” stated Mr Flynn. “They are very simple to explain and demonstrate and can be made by anyone, anywhere. They don’t require any Western technology. All you need is terracotta clay, some used coffee grounds or tea leaves, a compliant cow and a match,” Mr Flynn continued “Everyone has a right to clean water, these filters have the potential to enable anyone in the world to drink water safely.”
    Filter production is simple:

    <more at:="">More at:

  2. magnus392

    magnus392 Field Marshall Mags Moderator Emeritus Founding Member

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