[ Duplex / Water ]
[ Duplex / Water ]
Did you know?
Solar desalination is older than many realise: it dates back to 1942, when Hungarian American scientist Mária Telkes designed a portable solar distillation device for the US military, providing lifesaving fresh water for stranded pilots and sailors. Her pioneering work earned her the nickname“ Sun Queen,” reminding us that innovation in water technology often builds on a long lineage of ideas.
California, and Thiruvananthapuram, India. Forward osmosis( FO) reduces energy demand and fouling by relying on osmotic gradients rather than highpressure pumps. Advanced oxidation processes( AOPs) are emerging as a tool for achieving high quality in drinking water. They remove organic( and sometimes inorganic) materials in water and wastewater by oxidation through reactions with hydroxyl radicals. AOPs are highly effective, as they can remove over 99 % of contaminants, mineralise organic carbon into harmless byproducts, and even achieve simultaneous disinfection. However, AOPs are energy-intensive and costly, so they are generally used only in the final stages.
Flow chart showing how Advanced Oxidation Processes( AOPs) are applied in wastewater treatment.
Water treatment and renewable energy are increasingly entwined. Saudi Arabia’ s planned NEOM / OXAGON desalination plant, powered entirely by green hydrogen and renewables, is emblematic of this shift. Morocco is coupling desalination with wind power; Dubai’ s Hassyan SWRO and Ukraine’ s Mykolaiv solar desalination project are harnessing solar. Not only will the future of water be powered by clean energy, but the converse is also true: wastewater
can be converted into energy, as happens at the biogas unit at the Seine Aval wastewater facility near Paris. These projects illustrate a convergence of water treatment, energy efficiency and climateconscious design, highlighting that future water infrastructure will not only secure supplies but do so sustainably.
Materials Duplex stainless steels, which combine strength with resistance to chloride-
18 Stainless Steel World November 2025 www. stainless-steel-world. net