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While browsing pages about rainwater catchment systems on specialized sites like Appropedia or Akvopedia, I could see that most of the systems have the storage tank of the ground and a separate sanitation apparatus. This means no water pressure and the need for an external energy source.
I wanted to design a system that mitigates these shortcomings while using low-tech components :
- A ram pump to elevate water using its own weight.
- A low-head rainwater generator based on the Archimedes screw to create the electricity needed for sanitation.
- A water sanitation module based on ozonation, similar to this DIY hand-washing station.
Of course not all rainwater can be raised by the ram pump and the ozonation will not make it potable, but it is good enough for non-potable uses like shower and toilets.
I wanted to design a system that mitigates these shortcomings while using low-tech components :
- A ram pump to elevate water using its own weight.
- A low-head rainwater generator based on the Archimedes screw to create the electricity needed for sanitation.
- A water sanitation module based on ozonation, similar to this DIY hand-washing station.
Of course not all rainwater can be raised by the ram pump and the ozonation will not make it potable, but it is good enough for non-potable uses like shower and toilets.
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Murray-Smith a récemment construit et testé une turbine à eau de pluie (voir les vidéos ci-dessous) mais je pense que la perte de charge occasionnée pourrait interférer avec le fonctionnement d'un bélier hydraulique.
https://www.youtube.com/watch?v=MItkjNtIUio
https://www.youtube.com/watch?v=22c3_TRJZEY
https://www.youtube.com/watch?v=9uPC-OIfNiM
https://www.youtube.com/watch?v=MItkjNtIUio
https://www.youtube.com/watch?v=22c3_TRJZEY
https://www.youtube.com/watch?v=9uPC-OIfNiM
Voilà, exactement ce genre de choses - on peut même en mettre plusieurs à la suite sur une même colonne. La seule chose qui manque dans ce qu'il présente, c'est un système simple pour effectuer la maintenance, car d'après ce que je vois, une fois que tu as mis la section avec la génératrice, il te faut démonter toute ta gouttière de haut en bas si jamais ta turbine est coincée par des feuilles mortes par exemple !! Mais ça, je te laisse y réfléchir
Grey water only? just have the gutter filter and pipe filters be adequate so there's no particulate left... Then It's already filtered water. Making that stored filtered water potable after storage is easy by either boiling it, pushing it through something like a diy pool filter with fine sand and active carbon, or more expensive through over the counter rainwater to drinking water filters or usage of over the counter water treatment tablets.
Rainwater is stored and still used as drinking water in many areas even today while it used to be a main source of fresh water near everywhere up till the first half of the 20th century. As such i don't really think you need to ozone it either as most rainwater storage tanks don't do this. keep the water dark (preferably cool) and if anything, moving. The ozone generator could help in keeping it fresh, but it's "extra" i'd say.
Also, the ozone generator would only work sparsely and intermittently especially if there's little rain falling or long periods between rain, better to hook that thing up to a solar panel or diy windmill for more reliable operation.
Rainwater is stored and still used as drinking water in many areas even today while it used to be a main source of fresh water near everywhere up till the first half of the 20th century. As such i don't really think you need to ozone it either as most rainwater storage tanks don't do this. keep the water dark (preferably cool) and if anything, moving. The ozone generator could help in keeping it fresh, but it's "extra" i'd say.
Also, the ozone generator would only work sparsely and intermittently especially if there's little rain falling or long periods between rain, better to hook that thing up to a solar panel or diy windmill for more reliable operation.
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