Simpson Environmental Corp., through its affiliated company in Baghdad, Iraq was selected as the preferred vendor for a major cooling tower project for Midland Refineries. The cooling tower was the primary cooling system for the refinery and the solution included and advanced oxidation system to treat the cooling tower service water. As the general contractor for this project, Simpson provided a turnkey solution to the customer to handle 10,000 m3/hr of treated water via a treatment train that included screen and media filters, pumps, three separate evaporative cooling towers, fire fighting systems, PLC control systems and external fresh water storage tanks. The advanced oxidation system was supplied directly by Simpson in the form of an AOP ozone generator, oxygenator and control system designed to treat the cooling tower service water.