👉 FYI I've posted the corresponding building design to my Instagram and FB pages, here: / b6mhqtdpvs- and here: / 1218904428296086 🤙
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Greywater reed beds are simplistic systems for filtering used water into something clean enough to irrigate with. A horizontal delivery pipe drops the water through large boulders, and the water then soaks under a bed of gravel. The gravel is 65 centimetres deep and the water level sits at 60 centimetres, i.e. below the surface, where roots from reeds take minor toxins out of the water. When the water rises to the surface, it’s time to open the tap and drain the system down to the base level again. The water from the reed bed is perfect for irrigating trees.
There are three of these reed bed systems on the Greening the Desert site, so there is no greywater that doesn’t go to irrigation. The kitchen has a reed bed with a grease trap between it and the garden. At the back of the organic café’ greywater from the sink goes through a similar system, only the reed beds are a series of bathtubs followed by a gravel-filled trench (also planted to reeds). Eventually, the cleaned greywater from the café feeds a banana circle. This is how every last drop of greywater goes to growing something at the Greening the Desert project.
Key Takeaways:
- Reed beds are a simple design for cleaning greywater into clean, irrigation water.
- The gravel-bound roots from reeds take minor toxins out of the greywater, making it safe for irrigating trees.
- These beds are so basic to build and use that no greywater on a site, particular in an arid climate like Jordan’s, needs to be wasted.
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About Geoff:
Geoff is a world-renowned permaculture consultant, designer, and teacher. He has established permaculture demonstration sites that function as education centers in all the world’s extreme climates - information on the success of these systems is networked through the Permaculture Research Institute and the www.permaculturenews.org website.
About Permaculture:
Permaculture integrates land, resources, people and the environment through mutually beneficial synergies - imitating the no waste, closed-loop systems seen in diverse natural systems. Permaculture applies holistic solutions that are applicable in rural and urban contexts and at any scale. It is a multidisciplinary toolbox including agriculture, water harvesting and hydrology, energy, natural building, forestry, waste management, animal systems, aquaculture, appropriate technology, economics, and community development.
#permaculture #greeningthedesert #greywater
16 дек 2019
