RT Journal Article
SR Electronic
T1 Practical water production from desert air
JF Science Advances
JO Sci Adv
FD American Association for the Advancement of Science
SP eaat3198
DO 10.1126/sciadv.aat3198
VO 4
IS 6
A1 Fathieh, Farhad
A1 Kalmutzki, Markus J.
A1 Kapustin, Eugene A.
A1 Waller, Peter J.
A1 Yang, Jingjing
A1 Yaghi, Omar M.
YR 2018
UL http://advances.sciencemag.org/content/4/6/eaat3198.abstract
AB Energy-efficient production of water from desert air has not been developed. A proof-of-concept device for harvesting water at low relative humidity was reported; however, it used external cooling and was not desert-tested. We report a laboratory-to-desert experiment where a prototype using up to 1.2 kg of metal-organic framework (MOF)–801 was tested in the laboratory and later in the desert of Arizona, USA. It produced 100 g of water per kilogram of MOF-801 per day-and-night cycle, using only natural cooling and ambient sunlight as a source of energy. We also report an aluminum-based MOF-303, which delivers more than twice the amount of water. The desert experiment uncovered key parameters pertaining to the energy, material, and air requirements for efficient production of water from desert air, even at a subzero dew point.