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.
Men's Nike Kyrie 4 IV 90's Decade Pack Basketball Multi-color 943806-902 Size 9,Nike Air Jordan 1 Pinnacle Baroque Brown gold White croc size 9 705075-205,
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.
2018 Nike Vapormax Plus BLACK WHITE Men Size 9,Nike Air Force 1 CMFT Signature QS Irving CAVS pack, men size 9, new with box,NIKE AIR MAX PLUS BLACK VIVID SULFUR 852630-020 Mens Running Sneakers,
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.
Jordan Retro 6 (Bulls) Sz 9,Air Max 95 Carhartt WIP Camo Size 8.5 AirMax,
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 Men's Air Flightposite Dark Neon Royal AO9378-500 Size 8.5,DS Nike Air Max 1 “Have A Nike Day” Men’s 13,Nike Air Vapormax Flyknit Running Men's shoes Size,
What sets this particular hydrogel apart, however, is its solar abilities.
Vintage Nike Air Hawk Flight Black White Royal Original DS 7.5 10.5 Gary Payton,
This overall design and set of qualities means more evaporation with a much lower energy price tag.
NIKE AIR MAX 95 OG AT2865-002 Black Metallic gold Men's Sneakers Brand New NOW ,Nike Air Jordan Retro 6 White Black orange,
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 Air Force 270 AH6772-010 Men Lifestyle shoes Sneakers,Nike Lebron James 15 XV Black White Graffiti Size 10,
Nike Air Trainer 1 Premium 2003 Brunnet Brunnet Size 13 NEW DS KITH Leather,NIKE LUNAR FORCE 1 LUX BHM QS BLACK-METALLIC gold SZ 11.5 [650719-001],
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.
NIKE AIR FORCE 1 SUPREME MAX AIR NPCE QS ELEPHANT PRINT SZ 10.5 [625907-001],Nike nike exp-x14 se sneakers AO3095 100 White - Authentic,
New with box: A brand-new, unused, and unworn item (including handmade items) in the original packaging (such as ... Read moreabout the condition
|Width:||Medium (D, M)|
|Material:||Flywire||US Shoe Size (Men's):||10|
In terms of what’s coming next for the team, scalability tests are in the near future.
Nike x Acronym Air Vapormax Flyknit FK Moc 2 Black Volt New Size 12,Nike Air Max 95 Se shoes Men's Casual Trainers Anthracite AJ2018-002,Men 8Us Mint Nike Sb 26 cm Sneakers Zoom Slip Stefan Kamofra,
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.
Lebron 12 Indepence Day Sz 12,