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Transcript of New Toilets
The Flush Toilet...
Clean water is scarce.
Treating sewer water is expensive.
Sanitation critical for public health.
New sewer lines are expensive.
More people are going!
urine high in phosphorous (fertilizer)
dry poop does not smell, is less toxic and easier to process into fuel or compost.
...uses drinkable water.
...requires transport and
treatment of waste.
Bill & Melinda Gates Foundation
"Reinvent the Toilet Challenge"
Bacteria decomposes waste.
Generates heat to kill pathogens.
Heat can be used for cooking or to generate electricity
Does not smell or attract insects.
Psychological barriers to use.
Compost must periodically be removed.
Toilet challenge winner!
Recovers and cleans the water
Compost or Digester toilets