"RIYADH, Saudi Arabia & NEW YORK--(BUSINESS WIRE)-- Alcoa (NYS: AA) and The Saudi Arabian Mining Company (Ma'aden) today announced completion of a first-of-its-kind engineered wetlands wastewater management system in Saudi Arabia at the Ma'aden-Alcoa joint venture project site. The newly constructed system will reduce water demand by nearly two million US gallons (7.5 million litres) per day and save more than US$7million (SAR 26 million) annually that would otherwise be used to purchase fresh water.
The Alcoa-designed and engineered technology - known as a Natural Engineered Wastewater Treatment system - collects sanitary and industrial wastewater and then cleans and disinfects the water without the use of chemicals or the creation of water discharge and odors associated with conventional tank systems. The water will then be reused in the manufacturing process and for irrigation at the Ma'aden-Alcoa aluminum complex at Ras Al Khair. The complex includes a refinery, smelter and rolling mill."
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