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Know Your Toilets

ArborLoo Flush Toilet This modified pit latrine, once full, it offers a rich compost to plant a young tree. ArborLoos are useful in areas recovering from deforestation, and fruit trees provide food. A porcelain seat connected to a piped water source or septic tank, this toilet uses fresh water to flush away waste. 231 KNOW #2 #2 YOUR ASHES WATER TOILET COMPORA REATHENA Cheap (-$60), hygienic, doesn't need much water, helps the environment, food/income from fruit PLANT Clean, sanitary, easy to use, low maintance, can be mass produced Requires education to use properly, must dig new pit every 6-9 months, the new tree needs TREE WATER Reliant on municipal water systems, uses large amounts of drinkable water, more expensive heavy watering after being planted than other systems Pit Latrine (unimproved) VIP Latrine (improved) Open Defecation Pit latrines are the simplest form of sanitation and appear worldwide. However, pit latrines built poorly or lacking certain features can promote disease. A pit latrine with a vent pipe allows odors to be exhausted from the pit while deep enough pit will not fill up This is the only option for millions of people around the world. Open defecation means using open land or waterways. This is the least sanitary option, and its effects are dramatic in urban areas. controlling flies. A under normal use. #2 #2 #2 COMA COMPOSA GERMS DISEASE Free, no construction or Inexpensive, simple, no reliance on formal utilities Inexpensive, simple, no reliance on formal utilities, reduced odor, controls flies, hygienic infrastructure needed Strong odor, breeding grounds for insects, if poorly lined or near the water table, can leach contents into groundwater & spread disease Waste tracked by feet, flies and flooding, rapidly spreads disease, strong odor, undignified or taboo in most societies More features mean more expensive than a pit latrine BioGas Toilet (with urine diversion) Space Toilet #2 This toilet funnels waste into an airtight pit while a second receptacle accepts animal dung slurry (dung + water) and the two mix together underground. The pit generates methane gas and as the pressure builds, gas is pushed through a pipe connected to a cook stove. Aboard the International Space Station, toilets use high speed air to vacuum human waste into sealed packages for the return to Earth. Water is filtered from urine and returned to the drinking water reservoir. Astronauts use straps and restraints to attach themselves to this WATER A urine diversion system collects urine and wash water separately from solid waste, channeling them into a rocky filter bed that waters a small garden. HEAT toilet while using it in zero-gravity. #2 AIR COMPOSA Poo RETMANA AC-PAC High quality cooking fuel is produced for free (saving trees), hygienic, no utilities required System works in zero gravity, hygienic, urine is filtered to create drinking water Requires large livestock population to sustain, high up-front cost to install (~$500), complex and difficult to use/maintain Extremely complex, difficult to use and maintain, one space toilet costs $19 million No invention has saved more lives than a toilet. Billions still lack one. Lack of sanitation is the world's biggest cause of infection. All of this – entirely preventable. You can help. Visit or to learn about this issue and ways you can help. FRESH FRESH BUGS FRESH WATER FRESH

Know Your Toilets

shared by stephanieivania on Sep 25
No invention has saved more lives than a toilet. Billions still lack one. Lack of sanitation is the world's biggest cause of infection. All of this, entirely preventable.



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