Placing a transparent pipeline inside a large transparent pipeline with the inner pipeline filled with water, and the inner pipe actually only a 3/4 pipe open at the top, would allow evaporated water from the inner pipe to rise , condense and fill the larger pipe and it would be directly drained into a lower pipe connected and perhaps buried under insulating earth except for the raised connection.
A section of pipe near a seashore without fresh water might be filled from a hose or smaller pipeline to fill the primary evaporation pipe section with solar or human powered bicycle pumps etc. Maybe the pipe section would easily open when dry to allow easy collection of salt residue.
I think there are numerous ways such as using Fresnel lenses to accelerate the evaporation and flow-through.
A section of pipe near a seashore without fresh water might be filled from a hose or smaller pipeline to fill the primary evaporation pipe section with solar or human powered bicycle pumps etc. Maybe the pipe section would easily open when dry to allow easy collection of salt residue.
I think there are numerous ways such as using Fresnel lenses to accelerate the evaporation and flow-through.
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