[HN Gopher] Solar-powered system offers a route to inexpensive d... ___________________________________________________________________ Solar-powered system offers a route to inexpensive desalination Author : Glench Score : 67 points Date : 2022-02-28 18:14 UTC (4 hours ago) (HTM) web link (news.mit.edu) (TXT) w3m dump (news.mit.edu) | _Microft wrote: | Paper, linked from the bottom of the article: | | ,,Highly efficient and salt rejecting solar evaporation via a | wick-free confined water layer", | https://www.nature.com/articles/s41467-022-28457-8 | 6510 wrote: | Reminds me of this | | https://youtu.be/fJ1NCW5eDNs | jshen wrote: | The video didn't explain how it works :( | KaiserPro wrote: | I'm struggling to understand how this works. | | Does the salty water drop to the bottom? or concentrate at the | top? How do you extract the clean water? | learn_more wrote: | Clean water evaporates from the top like a traditional system. | | This innovation simply helps prevent the water where the | evaporation is occurring from getting too salty over time. | megaman821 wrote: | What are all the layers? I have some guesses. | | * Dirty Water | | * White Foam Stuff | | * Heat Absorbing Layer | | * Insulation | | * Filter | | * Brine Water | thehappypm wrote: | This is awesome. Basically it separates the water into two | layers, with a sort of a filter of black plastic. The plastic has | holes that are optimized such that you get a layer of hot water | up top that evaporates easily, but that still allows the movement | of salt to prevent the buildup of a really salty brine. Neat, | elegant. ___________________________________________________________________ (page generated 2022-02-28 23:00 UTC)