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If it's extracting water from the air, "hot and dry" does not seem to be a good situation. You'd want humid air. Any water condensed from the air is going to b
by throwawayboise 5y ago
If it's extracting water from the air, "hot and dry" does not seem to be a good situation. You'd want humid air.
Any water condensed from the air is going to be "pure" by most measures. It's essentially distilled water.
- marcosdumay 5y agoThe purity of the water you get from the air is limited by how much dust is on the air you work with. You can improve it easily by filtering. It's much easier than filtering the final water. But it's not necessarily pure.
- cwkoss 5y agoFair point, I thought part of the energy was being used for purification before I read the overview pdf. The site is ~ 1/4 mile from the ocean, so I think the air won't be totally dry... but just won't get a lot of rainfall. Mostly wondering if there's a good way to 'moisture farm' to keep the soil around trees moist. Ideally with no more power than a small solar panel located right next to the device, so I don't have to run power there (there's well and power at the bottom of the hill... but moisture farming would be cooler than running irrigation :-P).
- outworlder 5y ago> Any water condensed from the air is going to be "pure" by most measures. It's essentially distilled water. And you can freely give it for spherical cows to drink in vacuum. Keeping any such device free from contamination is very difficult. Bacteria love the moist environments. Leave it unattended and you have moist dust. Lovely.
- throwawayboise 5y agoSo put an air filter on it for the dust and boil or chlorinate the final product. I'm betting it's a lot cleaner than groundwater.
- thombat 5y agoBoiling the final product then gives a process of: evaporate -> condense -> re-evaporate -> re-condense Quite a lot of energy, but at least you can market it as double-distilled, like a fancy spirit.