Trickling Filter Expansion of POTW (Publicly Owned Treatment Work) by Snack Food Manufacturer,
FRITO-LAY INC KILLINGLY CT
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One of Frito-Lay, Inc.s largest corn and potato snack food manufacturing plants was recently opened in Killingly, Connecticut, about halfway between Hartford, Connecticut and Providence, Rhode Island. The decision to locate this plant in Killingly required the company to install on-site primary treatment as well as an expansion of the publicly owned treatment works POTWs secondary treatment system. This expansion consisted of constructing a 1.6 million trickling filter and pumping station. This paper describes the joint effort between the town of Killingly and Frito-Lay to design these facilities and obtain State approval to construct them, and reports on system performance to date.