Water resilience / UAE

Cooling cities.
Recovering water.

DewCycle proposes a shared loop for cooling and water: capture humidity, reuse what buildings drain away, and reduce pressure on the UAE’s water supply.

A proposal to test. Not a promise to replace desalination.

DewCycle hero
From overlooked resource to useful supply.01 / Recover

What to expect

Evidence before scale.

Measured, not assumed

Start at one cooling plant. Track recovered water and electricity saved per ton of cooling.

Limits made visible

Condensate can trim demand. Brine-derived desiccants still need safety and performance validation.

The proposed loop

Separate systems.
Shared potential.

Coastal humidity is already being removed by air conditioning. The opportunity is to put that water to work—and explore a less energy-intensive way to dry the air.

8–10%

Potential cooling-tower make-up water from condensate, estimated by district cooling engineers in UAE trade reporting. Site-specific, not a DewCycle result.

01

Capture what cooling leaves behind

Collect AC condensate instead of sending it down the drain. Establish seasonal yield, collection feasibility and water quality at the pilot site.

02

Test a different way to dry air

Explore magnesium- and calcium-rich brine as a liquid desiccant. Solar heat could regenerate it and release captured moisture; corrosion and handling need validation first.

03

Match water to its purpose

Assess treatment requirements, then route recovered water to cooling towers and landscaping to reduce their reliance on desalinated supply.

04

Build a longer-term reserve

Explore managed aquifer recharge using off-peak desalinated output and stormwater, subject to suitable geology, water quality and approvals.

Part of the answer. Not all of it.
A rough estimate puts condensate at tens of litres per person per day at best, against reported Gulf urban use of more than 500 litres.
The larger lever remains agricultural demand: shifting irrigation toward treated wastewater and salt-tolerant crops could save more water than this technology. DewCycle’s role is to investigate a complementary, measurable contribution.

The first step

One plant. A clear baseline.
A loop worth testing.

For district cooling operators and water planners: start with condensate recovery, establish the numbers, and assess whether a desiccant trial is justified.

Work through a pilot proposal

Scope: water yield, energy performance, treatment and safe operation.