The Cincinnati-Northern Kentucky International Airport has selected an advanced wastewater treatment solution from Parkson Corporation to expand the nearby Elijah Creek Storm Water Treatment System.
Parkson's Biolac extended aeration activated sludge treatment system will be used to treat storm water from the airport's deicing runoff, which contains glycol and potassium acetate. With an influent average flow of 5.0 mgd, the Biolac system will be installed in the current 15 MG equalization basin and will treat an average of 30,000 lb of BOD per day.
The Biolac system will use extended retention of biological solids to create an extremely stable, easily operated system, far exceeding the capabilities of ordinary extended aeration treatment.
In addition, the Biolac system will replace two sequencing batch reactors, and the SBR tanks will be converted to sludge holding tanks. The installation will include Parkson's flat-bottom type SS Clarifiers, which will use the company's industry-leading SuperScraper Sludge Removal System to remove settled sludge.
With its pacesetting technology, the Biolac system will meet two unique treatment challenges for this application. First, it will be able to treat deicing wastewater with a minimum temperature near 0 degrees Celsius. Secondly, it will be able to treat a wide variety of wastewater loads, ranging from 1,000 to 3,000 lb per day, with the ability to absorb one-day peak loads approaching 60,000 lb per day.
The Cincinnati-Northern Kentucky International Airport is one of the fastest-growing airports in the U.S. During the past 10 years, its annual traffic volume has doubled to more than 20 million passengers.
Source: PC
