Outdoor solar water purification using HNGs in natural sunlight. (Credit: Zhao, et al.)
Saline water—classified as having more than 1,000 ppm of dissolved salts—can be made into freshwater through desalination. The process is typically fueled by the sun, or by some other power source heating the water; after the heat energy turns the saline water into steam, one captures the steam, and then distills it back into water as it cools and condenses. On a small scale, such as that of an individual-sized still, it’s a simple, rain-inspired process, albeit a slow one.
Nike Lebron 12 USA Independence Size 7.5 Men's Red Mesh 684593 Basketball,NIKE LEBRON XI sz. 10.5,
Distillation not only removes salt, but also other contaminants, so it’s been a traditional standby treatment process. The challenge to improve upon it is growing more urgent as the Earth’s population booms and freshwater resources dwindle thanks to pollution and drought. Salinity is a problem in at least 30 percent of the world’s irrigated regions, and remediation is very expensive, creating additional need for low-cost desalination.
Obviously, there are a number of weaknesses in the existing “state of the art” for desalination. The team took a systematic approach to dealing with each weakness in turn.
Jordan Retro DMP V 5 Retro RAGING BULL 3M size 9 No Box,(SOLD OUT) SUPREME NIKE SB AIR FORCE 2 AF2 orange SHOES SNEAKERS 8.5, BOGO KITH,Nike Air Jordan 6 Retro AS All-Star Chameleon Black 907961-015 MEN'S SZ 7.5,
Therefore, to provide enough energy for the water evaporation step of the process, most industrial solar water purification systems utilize costly and complex optical concentrators (OCs). These focus sunlight to heat the water. However, such optical concentration leads to higher construction and maintenance costs.
NIKE AIR VaporMax Air Max 2018.5 Men's Running Trainers shoes,Nike Air Huarache Gripp Black Team orange Men’s Size 8.5,
Schematic of highly efficient solar vapour generation based on tailored water transport in HNGs. (Credit: Zhao, et al.)
Hydrogels are known for their high water absorbency, because they both attract water and then trap it. This is an important part of the team’s new technology.
Nike Air Max 97 Men Lifestyle Fashion Sneakers shoes New White 921826-101,2014 Nike SB Dunk High Concept Car Size 11 313171-103 RARE CONDITION CRAZY ,Men's Brand New Air VaporMax '97 Varsity Purple Fashion Sneakers [AJ7291 100],
What sets this particular hydrogel apart, however, is its solar abilities.
2010 NIKE AIR JORDAN VII 7 OLYMPIC FTLOTG SIZE 8 HARE CHAMPAGNE RARE ,
This overall design and set of qualities means more evaporation with a much lower energy price tag.
Nike Mercurial Superfly 6 Elite CR7 TF Men's Turf Soccer shoes AJ3572-600 1810,NEW Nike Kobe XI Elite Low AS All Stars 822521 305 Size 7.5 basketball shoes,
In fact, according to Yu, the solar desalination process achieved in tests significantly reduced the salinity of seawater—by about 3 to 4 orders of magnitude.
In a press release, Nike SB Holy Grail Stained Glass OG with Concepts Box - 10.5,NIKE VAPORMAX GILESE BLACK WHITE SZ 8-14,
Men's Nike Air Vapormax Sizes 7-11,Nike Jordan Superfly 4 JCRD, White Gym Red Black, 175, 812870 101, Sz 11,
Characterization of the HNGs. (Credit: Zhao, et al.)
This unique hydrogel is able to vaporize more water using less energy because its polymer network can break even the strong interactions among water molecules in liquid water. Another important innovation in this work is the ability to avoid reinventing the wheel despite this technological advance.
Men's Nike Air Jordan 6 VI Retro 384664-107 Size 17,Nike Kyrie 5 Black Magic Multi-color White Basketball Men's AO2918-901 Irving,
New with box: A brand-new, unused, and unworn item (including handmade items) in the original packaging (such as ... Read moreabout the condition
|Upper Material:||Leather||Style:||Basketball Shoes|
|Product Line:||Nike Air|
|Euro Size:||EUR 44,5||US Shoe Size (Men's):||10.5|
In terms of what’s coming next for the team, scalability tests are in the near future.
Nike SB Zoom Dunk Low Elite QS BEARBRICK Medicom Toy Denim 877963-002 Sz.9.5 DS,NIKE Alpha Menace Elite Flyknit TD Lime Volt Molded Football Cleats NEW Mens 12,Nike Air Jordan Retro Bred XI 11 TD Cleats sz 11.5 LIMITED SOLD OUT,
Yu believes that ultimately these materials and the technology may be in use at an industrial scale, deployed by municipalities, after they’re first put to work in smaller devices used by individual households.
Nike Air Max 1 LHM Latino Heritage White Red Mens Size 10 DS NEW AH7740-100,