Smart Water Magazine
Summary
For a decade, the Gulf answered water scarcity by building plants that turn seawater into drinking water. Now the same governments are pouring capital into the other end of the pipe (collection, treatment and reuse) because the arithmetic has shifted decisively.
Doha North in Qatar works already treats up to 439,000 cubic metres a day through membrane bioreactors, and a separate polishing facility at Katara turns effluent into demineralised water for district cooling, a model of resource recovery that the rest of the region is watching closely.
At Kuwait’s Sulaibiya, aerobic-granular and high-efficiency activated-sludge trains across the Saudi plants. Resource recovery is becoming standard rather than optional: biogas that powers the plant, Class A fertiliser that leaves it, and polishing units that turn effluent into demineralised water for district cooling at a fraction of the usual energy.
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