Thermit waste water system. 98% efficiency, that leaves 2% which is the same as a very high 200,000 ppm if my math is correct. But the bio sand type filters can be useful. Inexpensive Percale fabric makes a good pre filter and You could buy hundreds or thousands of ceramic gravity filters for the same cost.
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I have discovered that sheet glass has enough flexibility to form a parabolic dish, without cutting,
Infinite Water, filtering water would be much less expensive than condensation.
The HDG Euro top fed, biomass fired appliance looks interesting, can it make char?
On the flag turbine, do the blades pivot to catch the airflow only in one direction? I have been thinking about a system like that.
Thermit waste water system. 98% efficiency, that leaves 2% which is the same as a very high 200,000 ppm if my math is correct. But the bio sand type filters can be useful.
Inexpensive Percale fabric makes a good pre filter and You could buy hundreds or thousands of ceramic gravity filters for the same cost.
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Some of the 70's synth music is so annoying ! lol