Latest / Deep End Era. Engineering with Sankalp
The Red Tide Memo: Desalination and Gulf Water Security
A Gulf city's utility must decide whether to replace ageing thermal desalination units with a giant reverse osmosis plant, and board members remember the winter of 2008 when a red tide shut membrane plants while thermal units kept running. Water planner Noura Al-Mazrouei asks membrane engineer Henrik Bjørnstad whether efficiency means fragility. In episode one hundred and sixty five we work out the least energy needed to pull fresh water from seawater, see how multi-stage flash plants reuse heat twenty times over, how a cellulose acetate film from UCLA and a polyamide layer two hundred…
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