In the hot desert kingdom of Saudi Arabia, finding fresh drinking water has always been a great challenge. For decades now, the state has been providing clean water by converting millions of gallons of seawater via desalination plants that remove salts and minerals from the water. Now the country plans to use one of its most abundant resources to counter its fresh-water shortage: sunshine [Technology Review].
Working on a joint project with IBM, Saudi Arabia’s national research group King Abdulaziz City for Science and Technology (KACST) has announced that it will open the world’s largest solar-powered desalination plant by 2012 in the city of Al-Khafji. The pilot plant will not just supply 30,000 cubic meters of clean water per day to 100,000 people, but will also reduce operating costs in the long run by harvesting energy from sunshine. Saudi Arabia, the top desalinated water producer in the world, uses 1.5 million barrels of oil per day at its plants, according to Arab News [Technology Review].