Energy from humid air

Icerman, L.

doi:10.1016/0360-5442(79)90061-6

Cited by 2 publications

(1 citation statement)

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“…The use of radiative cooling during diurnal cycle to design greenhouses concept [1][2][3][4] or on nocturnal cycle to condense water from air [5][6][7] can represent relevant solutions for arid or semi-arid countries to limit heat gains in buildings and collect water using a natural passive physical phenomenon. This is precisely the case for the area of Mirleft, located in a semi-arid region in south-western Morocco (43 m asl, 29° 35' N, 10° 02' W).…”

Section: Introductionmentioning

confidence: 99%

Dew, fog, and rain as supplementary sources of water in south-western Morocco

Lekouch

Muselli

Kabbachi

et al. 2011

Energy

100

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International audienceThis study reports on one year (May 1, 2007 - April 30, 2008) of dew, fog and rain measurements carried out in the dryland area of Mirleft, Morocco in order to be used as alternative or supplemental sources of water. Four standard dew condensers and a passive fog net collector of 1 m² surfaces were used. Meteorological data were collected. 178 dew events (18.85 mm), 31 rain events (48.65 mm) and 7 significant fog episodes (1.41 mm) occurred, corresponding to almost 40% of the yearly rain contribution (48.65 mm, 31 events). Chemical and biological analyses were carried out. Dew and rain pH were neutral (close to 7) and the total mineralization was considerable (dew: 560 mg/L; rain: 230 mg/L). Ca²+, K+, SO42- and NO3- are found of continental origin; Cl-, Na+ and Mg2+ are of sea origin. The ions concentration agrees with the World Health Organization recommendations for potable water. The biological analysis shows harmless vegetal spores and little contamination by animal/human bacteria. A cost analysis shows that, with little investment, the population of the arid and semi-arid coastal areas of south-western north Africa could make dew water an interesting supplementary alternative water resource

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