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Invent a "pepertual" filter for water

Mikhail Korsanov
Mikhail Korsanov May 10, 2022
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Invent not too expensive water filters for each house (make it a construction standard), which do not require regular change of the cartridge and other consumables, and make the water high-quality and safe for health. You buy, install, and forget it for decades.
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General comments

Subash Chapagain
Subash Chapagain3 days ago
A carefully engineered system that uses layers of different materials- pebbles, charcoal, and sand can be built into the tank/plumbing system for the houses. Such a system will utilize the natural ability of microbial biofilms to filter the water. In fact, such systems are already being used in many parts of the world. The natural filter components might need some replacement/maintenance though, and the water needs to be constantly recirculated into the system for purification.
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Mikhail Korsanov
Mikhail Korsanov2 days ago
Subash Chapagain Can some way smart recirculation allow to avoid replacement and maintenance?
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Subash Chapagain
Subash Chapagain2 days ago
Mikhail Korsanov As far as I know, we cannot completely omit the necessity to maintain/repair the system altogether. However, these are only periodic needs that we might have to attain every 4-to 5 years. This should not be a problem. I guess the need for replacement is due to the wear and tear of the system components, and also the residue accumulation.
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Mikhail Korsanov
Mikhail Korsanova day ago
Subash Chapagain 4-5 years is fine. How costly is this solution for today? How is it compared with widely spread systems? How good is it in cleaning the water?
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Darko Savic
Darko Savic19 days ago
A water well would be the most obvious choice if it has to last for decades without maintenance.
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