The most economical method is ...

The most economical method is the treatment on the vortex-wave reactor. Minimal energy consumption will not exceed 0.6 kW/m3 of water after treatment is clear, technically feasible. Depending on the state of water in the river and drinking, because all the harmful fur of impurities and divalent salts oxidize and precipitate after the treatment. Less expensive and fastest cleaning I've ever seen. The production of pure water in real time. Processing speed - as much as you can to pump the pump. At the exit of the reactor ( don't be afraid of this word) - it's just the pipe) - is pure water. If you want to ensure that it will work come show.tumentsev@inbox.ru