Problem: The Bissell Point Wastewater Filtration Facility in St. Louis underwent an upgrade of six trickling filters, each 134 feet in diameter with media 32 feet deep. About 2.7 million cubic feet of PVC trickling filter media and surface grating were replaced, as were the HDPE wall liners.
Solution: The liners were replaced with ER 1000 EIA/KEE liners from E Squared Technical Textiles. The distributor arms and drives were replaced with new units. Repairs were made to the fiberglass reinforced plastic ductwork, and its supports were replaced. The concrete structures underwent necessary repairs and recoating.
Result: The liners performed as advertised, and
