Tuesday, October 27, 2009

Seawater Vertical Farm Project

Location: Dubai, UAE
Architect: Studiomobile - Italy


In Dubai, a desert climate with little fresh water, selective conversion to fresh water, combined with farming vertically may be the solution, or so proposes Italy’s Studiomobile design firm. The project would use seawater to humidify air, and then recondense some of that water to irrigate the crops. The concept works in three phases:

Phase 01
The air going into the greenhouse is first cooled and humidified by seawater,
which is trickled over the first evaporator. This provides a fresh and humid climate
for the crops that in these conditions need very little water as they are not stressed
by excessive transpiration.

Phase 02
As the air leaves the growing area it passes through the second evaporator which
has seawater flowing over it. During this phase the humid air mix with the warm
dry air of the ceiling interspace. Thus the air is made much hotter and more humid.

Phase 03
The warm air is forced to flow upward by the stack effect that is temperature induced.
In the central chimney the warm and humid air will condense when in contact with
plastic tubes where cool sea water is pumped. In the surface of the condenser many
drops of fresh water will appear, ready to be recollected in a tank to water the crops
and for other uses.

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