Tuesday, December 23, 2014

Floating Toilets That Clean Themselves Grow On A Lake


magine you live on a floating lake house. Open air. Chirping crickets. Clear, starry nights. Everything seems great until you need to use the bathroom.
The natural instinct might be to make a deposit in the water. But that wouldn't be safe. Microbes in your feces would contaminate the water and could cause outbreaks of deadly diseases, like cholera.
A group of engineers in Cambodia wants to solve that problem for the floating villages ofTonle Sap Lake, the largest freshwater lake in Southeast Asia. Over a million people live on or around it. Exposure to wastewater spawns diarrhea outbreaks each year. In Cambodia, diarrheal diseases cause 1 in 5 deaths of children under age 5.
To help clean the lake's water, engineers at the company Wetlands Work! in Phnom Penh are developing plant-based purifiers, called Handy Pods. The pods are essentially little kayaks filled with plants. They float under the latrine of a river house and decontaminate the water that flows out. npr

A pod to pick up your poo: The Handy Pod features floating hyacinth plants placed underneath a houseboat's latrine. The blue tarp offers privacy.

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